Mastering Smart Contracts: Build, Deploy, and Audit Decentralized Applications
You're at a turning point. The blockchain revolution is accelerating, and smart contracts are no longer an experimental niche-they’re the foundation of trillion-dollar decentralized systems. But you’re facing uncertainty. How do you move from theoretical knowledge to real-world implementation? How do you build something secure, functional, and production-ready? The gap between knowing Solidity basics and shipping battle-tested dApps is vast. Without structured guidance, you risk wasting months debugging avoidable errors, missing critical security patterns, or deploying contracts with hidden vulnerabilities that cost real assets. The stakes are rising. Top-tier roles and funding now require demonstrable, auditable experience-not just syntax familiarity. This is where Mastering Smart Contracts: Build, Deploy, and Audit Decentralized Applications closes the gap. This course isn’t about surface-level tutorials. It’s a precision-engineered path to go from concept to a fully deployed, professionally audited decentralized application-with a verifiable Certificate of Completion from The Art of Service to prove it. You’ll gain the clarity, confidence, and credentials to stand out in a competitive market. One recent participant, Lena M., a backend engineer transitioning into Web3, used the curriculum to launch her own asset management dApp on Polygon within 28 days. She documented her journey on GitHub and was hired by a DeFi startup within six weeks of finishing the course. This is your bridge from uncertain and stuck to funded, recognised, and future-proof. You'll build real projects, master deployment pipelines, and learn professional auditing techniques used in enterprise blockchain environments. You’ll gain direct access to a structured, step-by-step methodology that mirrors how elite blockchain engineering teams operate. Here’s how this course is structured to help you get there.Course Format & Delivery Details Self-Paced. Immediate Online Access. This course is designed for professionals who need flexibility without compromise. From the moment you enrol, you gain full access to a comprehensive, interactive learning environment. No waiting for cohorts, no fixed class times. On-Demand, Anytime, Anywhere. 24/7 global access means you learn at your own rhythm. Whether you're balancing a full-time job, working across time zones, or prefer deep focus sessions late at night, the materials adapt to your schedule. Estimated Completion: 6–8 Weeks with Real Results in Days. Most learners ship their first testnet dApp within the first week. With just 1–2 hours per day, you can complete the full curriculum in under two months. But the design is modular-you can accelerate or extend based on your goals. Lifetime Access with Ongoing Updates Included. Blockchain evolves fast. That’s why every enrolment comes with lifetime access to all current and future updates-at no extra cost. As protocols shift and new standards emerge, your certification path stays current. Mobile-Friendly & Globally Optimised. Access all content seamlessly on your smartphone, tablet, or desktop. Designed for high contrast, minimal load times, and readability in low-light conditions. Learn during commutes, breaks, or remote work sessions. Expert-Led Guidance & Continuous Support
You’re not left to figure things out alone. Enrolment includes direct access to instructor-curated guidance, including stepwise walkthroughs, common error resolution checklists, and challenge-based feedback frameworks. For complex implementation stages, structured support ensures you maintain momentum. Our learners consistently report breakthroughs during the audit and deployment phases-moments where abstract concepts click into place through hands-on practice backed by expert insight. Verified Certificate of Completion from The Art of Service
Upon finishing the curriculum and submitting your final project, you earn a globally recognised Certificate of Completion issued by The Art of Service. This credential is shareable on LinkedIn, GitHub, and professional portfolios. It signals to recruiters and collaborators that your skills meet a rigorous, industry-aligned standard. The Art of Service has trained over 85,000 professionals in technical domains across blockchain, cybersecurity, and software engineering. Our certificates are trusted by hiring managers at leading fintech, Web3, and consulting organisations. Transparent Pricing. No Hidden Fees.
The investment is straightforward, with no surprise charges or subscription traps. What you see is what you get-one-time access, all materials included. We accept all major payment methods: Visa, Mastercard, and PayPal. 100% Risk-Free with Our Satisfied or Refunded Guarantee
If you complete the first two modules and don’t feel a significant shift in clarity, confidence, and technical direction, simply request a full refund. No forms, no arguments. We stand behind the value because we’ve seen thousands of professionals transform their careers using this exact methodology. You are protected at every stage. After enrolment, you’ll receive a confirmation email, and your access credentials will be delivered separately once your course materials are fully prepared-ensuring a clean, organised onboarding experience. This Works Even If…
- You’ve tried learning Solidity before but got stuck on deployment or testing
- You’re not a full-time developer but want to transition into Web3 engineering
- You’re worried about security and don’t want to publish vulnerable contracts
- You lack peer feedback or mentorship in your current environment
- Your organisation hasn’t adopted blockchain yet-but you want to be ready
“Will this work for me?” Yes-if you’re committed to building real products. This course is used by software engineers, auditors, fintech architects, and blockchain consultants across 70+ countries. The structured, project-based design ensures results regardless of your starting point. With explicit frameworks, professional tooling, and step-by-step deployment checklists, you eliminate guesswork. This is not theory. It’s the exact process used to ship dApps into production.
Module 1: Foundations of Blockchain and Smart Contract Architecture - Understanding decentralised systems vs traditional client-server models
- Core principles of blockchain immutability, consensus, and trustlessness
- How smart contracts execute on the EVM and handle state changes
- Gas mechanics and cost optimisation in transaction execution
- Overview of public, private, and consortium blockchain networks
- Ethereum, Polygon, Arbitrum, and Optimism: key differences and use cases
- Public keys, private keys, and wallet address generation
- Transaction lifecycle from submission to finality
- State channels, rollups, and Layer 2 ecosystem integration
- Smart contract use cases across DeFi, NFTs, DAOs, and supply chain
Module 2: Solidity Deep Dive - Mastery of Syntax and Patterns - Setting up a local development environment with Hardhat
- Solidity data types: value types, reference types, and memory management
- Functions, modifiers, events, and error handling in Solidity
- Data structures: arrays, mappings, structs, and nested types
- Visibility specifiers: public, private, internal, external
- Payable functions and handling Ether transfers securely
- Fallback and receive functions: design and security implications
- Integer overflow and underflow: using SafeMath vs built-in checks
- Inheritance in Solidity: multiple inheritance and method resolution
- Abstract contracts and interfaces for modular design
- Using libraries and linking them to contracts
- Deploying libraries with deterministic addresses
- Compiler versions and pragmas: managing compatibility
- Assembly-level code using inline Yul
- Gas-efficient coding patterns and loop optimisation
- Event-driven architectures and off-chain indexing
Module 3: Design Patterns for Secure and Scalable Contract Systems - Ownership patterns: Ownable and multi-signature control
- Pauseable contracts for emergency scenarios
- Upgradeable contracts using proxy patterns
- Understanding UUPS vs Transparent proxy patterns
- Storage layout rules and upgrade safety checks
- Access control with OpenZeppelin AccessControl
- Role-based permissions and admin hierarchies
- Reentrancy guards and mutex patterns
- Checks-Effects-Interactions pattern for secure function design
- Circuit breakers and rate limiting mechanisms
- Time locks for delayed execution and governance
- State machine pattern for workflow-driven contracts
- Withdrawal patterns for secure fund distribution
- Escrow patterns for trusted third-party holding
- Token vesting and lock-up schedule implementations
- Layered architecture: separating logic, data, and control layers
Module 4: Interfacing with Tokens - ERC-20, ERC-721, and Beyond - Overview of token standards and their ecosystem roles
- Implementing ERC-20 fungible tokens from scratch
- Adding minting, burning, and pausing capabilities
- Understanding allowances and approve-transferFrom flow
- ERC-20 extensions: permit for gasless approvals
- Safe transfer handling with IERC20 and SafeERC20
- ERC-721 non-fungible tokens: metadata, enumeration, and events
- Batch minting and gas optimisation techniques
- ERC-1155 multi-token standard: one contract for many types
- Transferring multiple token types in a single call
- Metadata URIs and IPFS integration for decentralised storage
- Handling metadata updates securely
- Token receivers: implementing onERC721Received
- Token ownership verification and balance checks
- Integrating with existing token contracts
- Preventing phishing via consistent interface patterns
Module 5: Advanced Security Principles and Threat Modelling - Common attack vectors: reentrancy, overflow, frontrunning
- Reentrancy attacks: how they work and real-world examples
- Integer overflow and underflow: Solidity 0.8+ protections
- Timestamp dependence and blockhash manipulation risks
- Front-running and sandwich attacks in DeFi
- Phishing via function selector collisions
- Denial-of-service patterns through gas exhaustion
- Unchecked external calls and unexpected contract behaviour
- Forced Ether sending and contract suicide attacks
- Delegatecall and delegate proxy misuse
- Private data exposure through event logs
- Address(0) and zero-address validation checks
- Arbitrary calls to external contracts: bounding risks
- Using immutable state to prevent manipulation
- Defensive programming: require, revert, and custom errors
- Static analysis vs dynamic testing for vulnerability detection
Module 6: Testing Methodologies for Smart Contracts - Writing unit tests using Hardhat and Waffle
- Using Mocha and Chai for assertion-based testing
- Testing events and emitted logs for correctness
- Testing revert conditions and custom error messages
- Mocking external contracts with test doubles
- Snapshotting and fork testing with mainnet state
- Automated test runners and CI/CD integration
- Testing upgradeable contracts and storage compatibility
- Generating coverage reports with solidity-coverage
- Property-based testing with Echidna
- Invariant testing across transaction sequences
- Testing gas consumption and optimisation baselines
- Edge case testing: edge inputs, zero values, max values
- Testing fallback function behaviour
- Simulating multi-user interactions
- Reproducing known exploit scenarios in test environments
Module 7: Formal Verification and Audit Readiness - Introduction to formal verification tools: Certora, MythX
- Writing specifications for expected contract behaviour
- Proving invariants under all possible execution paths
- Automated symbolic execution for path coverage
- Static analysis tools: Slither, Solhint, and Solium
- Interpreting Slither findings: reentrancy, centralisation, traps
- Fixing common Slither-detected vulnerabilities
- Linting for code style, security, and best practices
- Automated detection of unprotected functions
- Finding external calls without checks
- Identifying compiler warnings and optimisation hints
- Integrating detection tools into development workflows
- Creating audit-ready documentation packages
- Writing technical specifications for third-party reviewers
- Preparing attack surface summaries and trust boundaries
- Response templates for common audit findings
Module 8: Deployment, DevOps, and CI/CD Integration - Setting up Alchemy, Infura, and WebSocket providers
- Configuring network settings in Hardhat for multiple chains
- Writing deployment scripts with deterministic execution
- Using deployment libraries like ethers.js and web3.js
- Signing transactions with mnemonic and PK-based wallets
- Verifying contracts on Etherscan and Blockscout
- Automating contract verification via APIs
- Managing private keys securely using environment variables
- Integrating with GitHub Actions for CI/CD workflows
- Running tests on pull requests and merging with confidence
- Automated deployment to testnets on version tags
- Managing multi-stage deployments: dev, staging, prod
- Using deterministic deployment addresses (CREATE2)
- Monitoring deployed contracts with event listeners
- Setting up health checks and alerting systems
- Backward compatibility and versioning between upgrades
Module 9: Building a Full-Stack Decentralised Application (dApp) - Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Understanding decentralised systems vs traditional client-server models
- Core principles of blockchain immutability, consensus, and trustlessness
- How smart contracts execute on the EVM and handle state changes
- Gas mechanics and cost optimisation in transaction execution
- Overview of public, private, and consortium blockchain networks
- Ethereum, Polygon, Arbitrum, and Optimism: key differences and use cases
- Public keys, private keys, and wallet address generation
- Transaction lifecycle from submission to finality
- State channels, rollups, and Layer 2 ecosystem integration
- Smart contract use cases across DeFi, NFTs, DAOs, and supply chain
Module 2: Solidity Deep Dive - Mastery of Syntax and Patterns - Setting up a local development environment with Hardhat
- Solidity data types: value types, reference types, and memory management
- Functions, modifiers, events, and error handling in Solidity
- Data structures: arrays, mappings, structs, and nested types
- Visibility specifiers: public, private, internal, external
- Payable functions and handling Ether transfers securely
- Fallback and receive functions: design and security implications
- Integer overflow and underflow: using SafeMath vs built-in checks
- Inheritance in Solidity: multiple inheritance and method resolution
- Abstract contracts and interfaces for modular design
- Using libraries and linking them to contracts
- Deploying libraries with deterministic addresses
- Compiler versions and pragmas: managing compatibility
- Assembly-level code using inline Yul
- Gas-efficient coding patterns and loop optimisation
- Event-driven architectures and off-chain indexing
Module 3: Design Patterns for Secure and Scalable Contract Systems - Ownership patterns: Ownable and multi-signature control
- Pauseable contracts for emergency scenarios
- Upgradeable contracts using proxy patterns
- Understanding UUPS vs Transparent proxy patterns
- Storage layout rules and upgrade safety checks
- Access control with OpenZeppelin AccessControl
- Role-based permissions and admin hierarchies
- Reentrancy guards and mutex patterns
- Checks-Effects-Interactions pattern for secure function design
- Circuit breakers and rate limiting mechanisms
- Time locks for delayed execution and governance
- State machine pattern for workflow-driven contracts
- Withdrawal patterns for secure fund distribution
- Escrow patterns for trusted third-party holding
- Token vesting and lock-up schedule implementations
- Layered architecture: separating logic, data, and control layers
Module 4: Interfacing with Tokens - ERC-20, ERC-721, and Beyond - Overview of token standards and their ecosystem roles
- Implementing ERC-20 fungible tokens from scratch
- Adding minting, burning, and pausing capabilities
- Understanding allowances and approve-transferFrom flow
- ERC-20 extensions: permit for gasless approvals
- Safe transfer handling with IERC20 and SafeERC20
- ERC-721 non-fungible tokens: metadata, enumeration, and events
- Batch minting and gas optimisation techniques
- ERC-1155 multi-token standard: one contract for many types
- Transferring multiple token types in a single call
- Metadata URIs and IPFS integration for decentralised storage
- Handling metadata updates securely
- Token receivers: implementing onERC721Received
- Token ownership verification and balance checks
- Integrating with existing token contracts
- Preventing phishing via consistent interface patterns
Module 5: Advanced Security Principles and Threat Modelling - Common attack vectors: reentrancy, overflow, frontrunning
- Reentrancy attacks: how they work and real-world examples
- Integer overflow and underflow: Solidity 0.8+ protections
- Timestamp dependence and blockhash manipulation risks
- Front-running and sandwich attacks in DeFi
- Phishing via function selector collisions
- Denial-of-service patterns through gas exhaustion
- Unchecked external calls and unexpected contract behaviour
- Forced Ether sending and contract suicide attacks
- Delegatecall and delegate proxy misuse
- Private data exposure through event logs
- Address(0) and zero-address validation checks
- Arbitrary calls to external contracts: bounding risks
- Using immutable state to prevent manipulation
- Defensive programming: require, revert, and custom errors
- Static analysis vs dynamic testing for vulnerability detection
Module 6: Testing Methodologies for Smart Contracts - Writing unit tests using Hardhat and Waffle
- Using Mocha and Chai for assertion-based testing
- Testing events and emitted logs for correctness
- Testing revert conditions and custom error messages
- Mocking external contracts with test doubles
- Snapshotting and fork testing with mainnet state
- Automated test runners and CI/CD integration
- Testing upgradeable contracts and storage compatibility
- Generating coverage reports with solidity-coverage
- Property-based testing with Echidna
- Invariant testing across transaction sequences
- Testing gas consumption and optimisation baselines
- Edge case testing: edge inputs, zero values, max values
- Testing fallback function behaviour
- Simulating multi-user interactions
- Reproducing known exploit scenarios in test environments
Module 7: Formal Verification and Audit Readiness - Introduction to formal verification tools: Certora, MythX
- Writing specifications for expected contract behaviour
- Proving invariants under all possible execution paths
- Automated symbolic execution for path coverage
- Static analysis tools: Slither, Solhint, and Solium
- Interpreting Slither findings: reentrancy, centralisation, traps
- Fixing common Slither-detected vulnerabilities
- Linting for code style, security, and best practices
- Automated detection of unprotected functions
- Finding external calls without checks
- Identifying compiler warnings and optimisation hints
- Integrating detection tools into development workflows
- Creating audit-ready documentation packages
- Writing technical specifications for third-party reviewers
- Preparing attack surface summaries and trust boundaries
- Response templates for common audit findings
Module 8: Deployment, DevOps, and CI/CD Integration - Setting up Alchemy, Infura, and WebSocket providers
- Configuring network settings in Hardhat for multiple chains
- Writing deployment scripts with deterministic execution
- Using deployment libraries like ethers.js and web3.js
- Signing transactions with mnemonic and PK-based wallets
- Verifying contracts on Etherscan and Blockscout
- Automating contract verification via APIs
- Managing private keys securely using environment variables
- Integrating with GitHub Actions for CI/CD workflows
- Running tests on pull requests and merging with confidence
- Automated deployment to testnets on version tags
- Managing multi-stage deployments: dev, staging, prod
- Using deterministic deployment addresses (CREATE2)
- Monitoring deployed contracts with event listeners
- Setting up health checks and alerting systems
- Backward compatibility and versioning between upgrades
Module 9: Building a Full-Stack Decentralised Application (dApp) - Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Ownership patterns: Ownable and multi-signature control
- Pauseable contracts for emergency scenarios
- Upgradeable contracts using proxy patterns
- Understanding UUPS vs Transparent proxy patterns
- Storage layout rules and upgrade safety checks
- Access control with OpenZeppelin AccessControl
- Role-based permissions and admin hierarchies
- Reentrancy guards and mutex patterns
- Checks-Effects-Interactions pattern for secure function design
- Circuit breakers and rate limiting mechanisms
- Time locks for delayed execution and governance
- State machine pattern for workflow-driven contracts
- Withdrawal patterns for secure fund distribution
- Escrow patterns for trusted third-party holding
- Token vesting and lock-up schedule implementations
- Layered architecture: separating logic, data, and control layers
Module 4: Interfacing with Tokens - ERC-20, ERC-721, and Beyond - Overview of token standards and their ecosystem roles
- Implementing ERC-20 fungible tokens from scratch
- Adding minting, burning, and pausing capabilities
- Understanding allowances and approve-transferFrom flow
- ERC-20 extensions: permit for gasless approvals
- Safe transfer handling with IERC20 and SafeERC20
- ERC-721 non-fungible tokens: metadata, enumeration, and events
- Batch minting and gas optimisation techniques
- ERC-1155 multi-token standard: one contract for many types
- Transferring multiple token types in a single call
- Metadata URIs and IPFS integration for decentralised storage
- Handling metadata updates securely
- Token receivers: implementing onERC721Received
- Token ownership verification and balance checks
- Integrating with existing token contracts
- Preventing phishing via consistent interface patterns
Module 5: Advanced Security Principles and Threat Modelling - Common attack vectors: reentrancy, overflow, frontrunning
- Reentrancy attacks: how they work and real-world examples
- Integer overflow and underflow: Solidity 0.8+ protections
- Timestamp dependence and blockhash manipulation risks
- Front-running and sandwich attacks in DeFi
- Phishing via function selector collisions
- Denial-of-service patterns through gas exhaustion
- Unchecked external calls and unexpected contract behaviour
- Forced Ether sending and contract suicide attacks
- Delegatecall and delegate proxy misuse
- Private data exposure through event logs
- Address(0) and zero-address validation checks
- Arbitrary calls to external contracts: bounding risks
- Using immutable state to prevent manipulation
- Defensive programming: require, revert, and custom errors
- Static analysis vs dynamic testing for vulnerability detection
Module 6: Testing Methodologies for Smart Contracts - Writing unit tests using Hardhat and Waffle
- Using Mocha and Chai for assertion-based testing
- Testing events and emitted logs for correctness
- Testing revert conditions and custom error messages
- Mocking external contracts with test doubles
- Snapshotting and fork testing with mainnet state
- Automated test runners and CI/CD integration
- Testing upgradeable contracts and storage compatibility
- Generating coverage reports with solidity-coverage
- Property-based testing with Echidna
- Invariant testing across transaction sequences
- Testing gas consumption and optimisation baselines
- Edge case testing: edge inputs, zero values, max values
- Testing fallback function behaviour
- Simulating multi-user interactions
- Reproducing known exploit scenarios in test environments
Module 7: Formal Verification and Audit Readiness - Introduction to formal verification tools: Certora, MythX
- Writing specifications for expected contract behaviour
- Proving invariants under all possible execution paths
- Automated symbolic execution for path coverage
- Static analysis tools: Slither, Solhint, and Solium
- Interpreting Slither findings: reentrancy, centralisation, traps
- Fixing common Slither-detected vulnerabilities
- Linting for code style, security, and best practices
- Automated detection of unprotected functions
- Finding external calls without checks
- Identifying compiler warnings and optimisation hints
- Integrating detection tools into development workflows
- Creating audit-ready documentation packages
- Writing technical specifications for third-party reviewers
- Preparing attack surface summaries and trust boundaries
- Response templates for common audit findings
Module 8: Deployment, DevOps, and CI/CD Integration - Setting up Alchemy, Infura, and WebSocket providers
- Configuring network settings in Hardhat for multiple chains
- Writing deployment scripts with deterministic execution
- Using deployment libraries like ethers.js and web3.js
- Signing transactions with mnemonic and PK-based wallets
- Verifying contracts on Etherscan and Blockscout
- Automating contract verification via APIs
- Managing private keys securely using environment variables
- Integrating with GitHub Actions for CI/CD workflows
- Running tests on pull requests and merging with confidence
- Automated deployment to testnets on version tags
- Managing multi-stage deployments: dev, staging, prod
- Using deterministic deployment addresses (CREATE2)
- Monitoring deployed contracts with event listeners
- Setting up health checks and alerting systems
- Backward compatibility and versioning between upgrades
Module 9: Building a Full-Stack Decentralised Application (dApp) - Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Common attack vectors: reentrancy, overflow, frontrunning
- Reentrancy attacks: how they work and real-world examples
- Integer overflow and underflow: Solidity 0.8+ protections
- Timestamp dependence and blockhash manipulation risks
- Front-running and sandwich attacks in DeFi
- Phishing via function selector collisions
- Denial-of-service patterns through gas exhaustion
- Unchecked external calls and unexpected contract behaviour
- Forced Ether sending and contract suicide attacks
- Delegatecall and delegate proxy misuse
- Private data exposure through event logs
- Address(0) and zero-address validation checks
- Arbitrary calls to external contracts: bounding risks
- Using immutable state to prevent manipulation
- Defensive programming: require, revert, and custom errors
- Static analysis vs dynamic testing for vulnerability detection
Module 6: Testing Methodologies for Smart Contracts - Writing unit tests using Hardhat and Waffle
- Using Mocha and Chai for assertion-based testing
- Testing events and emitted logs for correctness
- Testing revert conditions and custom error messages
- Mocking external contracts with test doubles
- Snapshotting and fork testing with mainnet state
- Automated test runners and CI/CD integration
- Testing upgradeable contracts and storage compatibility
- Generating coverage reports with solidity-coverage
- Property-based testing with Echidna
- Invariant testing across transaction sequences
- Testing gas consumption and optimisation baselines
- Edge case testing: edge inputs, zero values, max values
- Testing fallback function behaviour
- Simulating multi-user interactions
- Reproducing known exploit scenarios in test environments
Module 7: Formal Verification and Audit Readiness - Introduction to formal verification tools: Certora, MythX
- Writing specifications for expected contract behaviour
- Proving invariants under all possible execution paths
- Automated symbolic execution for path coverage
- Static analysis tools: Slither, Solhint, and Solium
- Interpreting Slither findings: reentrancy, centralisation, traps
- Fixing common Slither-detected vulnerabilities
- Linting for code style, security, and best practices
- Automated detection of unprotected functions
- Finding external calls without checks
- Identifying compiler warnings and optimisation hints
- Integrating detection tools into development workflows
- Creating audit-ready documentation packages
- Writing technical specifications for third-party reviewers
- Preparing attack surface summaries and trust boundaries
- Response templates for common audit findings
Module 8: Deployment, DevOps, and CI/CD Integration - Setting up Alchemy, Infura, and WebSocket providers
- Configuring network settings in Hardhat for multiple chains
- Writing deployment scripts with deterministic execution
- Using deployment libraries like ethers.js and web3.js
- Signing transactions with mnemonic and PK-based wallets
- Verifying contracts on Etherscan and Blockscout
- Automating contract verification via APIs
- Managing private keys securely using environment variables
- Integrating with GitHub Actions for CI/CD workflows
- Running tests on pull requests and merging with confidence
- Automated deployment to testnets on version tags
- Managing multi-stage deployments: dev, staging, prod
- Using deterministic deployment addresses (CREATE2)
- Monitoring deployed contracts with event listeners
- Setting up health checks and alerting systems
- Backward compatibility and versioning between upgrades
Module 9: Building a Full-Stack Decentralised Application (dApp) - Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Introduction to formal verification tools: Certora, MythX
- Writing specifications for expected contract behaviour
- Proving invariants under all possible execution paths
- Automated symbolic execution for path coverage
- Static analysis tools: Slither, Solhint, and Solium
- Interpreting Slither findings: reentrancy, centralisation, traps
- Fixing common Slither-detected vulnerabilities
- Linting for code style, security, and best practices
- Automated detection of unprotected functions
- Finding external calls without checks
- Identifying compiler warnings and optimisation hints
- Integrating detection tools into development workflows
- Creating audit-ready documentation packages
- Writing technical specifications for third-party reviewers
- Preparing attack surface summaries and trust boundaries
- Response templates for common audit findings
Module 8: Deployment, DevOps, and CI/CD Integration - Setting up Alchemy, Infura, and WebSocket providers
- Configuring network settings in Hardhat for multiple chains
- Writing deployment scripts with deterministic execution
- Using deployment libraries like ethers.js and web3.js
- Signing transactions with mnemonic and PK-based wallets
- Verifying contracts on Etherscan and Blockscout
- Automating contract verification via APIs
- Managing private keys securely using environment variables
- Integrating with GitHub Actions for CI/CD workflows
- Running tests on pull requests and merging with confidence
- Automated deployment to testnets on version tags
- Managing multi-stage deployments: dev, staging, prod
- Using deterministic deployment addresses (CREATE2)
- Monitoring deployed contracts with event listeners
- Setting up health checks and alerting systems
- Backward compatibility and versioning between upgrades
Module 9: Building a Full-Stack Decentralised Application (dApp) - Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Connecting frontend to smart contracts using ethers.js
- Integrating MetaMask and WalletConnect for user sign-in
- Handling wallet disconnection and account switching
- Reading contract state: calls vs views vs pure functions
- Writing to contracts: handling transaction confirmations
- Processing transaction hashes and waiting for receipts
- Managing user feedback during pending transactions
- Handling failed transactions and user messaging
- Displaying token balances and NFT ownership
- Indexing blockchain events for frontend updates
- Building responsive UIs with React and dApp frameworks
- Using The Graph for decentralised querying
- Hosting frontend on IPFS and decentralised storage
- Ensuring SEO compatibility for dApp landing pages
- Securing frontend against injection and spoofing
- Staging environments for user testing and feedback
Module 10: dApp Security - Frontend, Backend, and Integration Risks - Frontend trust: verifying contract addresses in UI
- Preventing malicious contract address injection
- Secure handling of user signatures and message signing
- Avoiding phishing via URL manipulation
- Validating chain IDs and network context switches
- Cross-site scripting (XSS) risks in dApp interfaces
- Content Security Policy (CSP) for dApp hosting
- Backend integration: indexing, caching, and APIs
- Securing relayers and gasless transaction services
- Rate limiting and abuse prevention for public endpoints
- Monitoring unauthorised access attempts
- Using HTTPS and secure CDN delivery
- Zero-knowledge proofs for selective disclosure
- Privacy-preserving user analytics
- Secure session management in hybrid dApps
- Authentication layer design for Web3 backends
Module 11: Industry-Grade Auditing Techniques - Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- Understanding the role of third-party auditors
- Differences between internal review and external audit
- Audit scoping: defining in-scope and out-of-scope components
- Creating audit checklists based on common vulnerabilities
- Manual code review best practices and annotation systems
- Tracing data flows across multiple contract interactions
- Identifying implicit assumptions in contract logic
- Reviewing mathematical calculations in DeFi protocols
- Analysing governance mechanisms and admin powers
- Checking upgrade pathways and emergency controls
- Evaluating token economics and incentive alignment
- Verifying access control and permissioned functions
- Testing gas limits across complex transaction paths
- Ensuring finality and state consistency
- Reporting findings with severity ratings and remediation steps
- Presenting results in structured audit report format
Module 12: Real-World Project - Build, Deploy, and Audit a Full DeFi Contract - Project brief: build a decentralised lending pool
- Designing core contract architecture and components
- Implementing deposit, borrow, repay, and liquidation logic
- Calculating interest rates using time-based accruals
- Implementing collateralization ratios and health checks
- Handling liquidation incentives and penalties
- Integrating with price oracles (Chainlink)
- Testing oracle resilience under extreme volatility
- Setting up governance parameters for rate adjustments
- Making contracts upgradeable with UUPS proxy
- Conducting full test suite execution
- Running static analysis with Slither
- Generating audit documentation and specification
- Deploying to Goerli testnet with full verification
- Connecting to frontend interface for user interaction
- Submitting final project for completion review
Module 13: Professional Practices and Career Advancement - How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades
Module 14: Certification, Next Steps, and Ongoing Growth - Final checklist for course completion
- Submitting your dApp project for assessment
- Review process timeline and feedback delivery
- Earning your Certificate of Completion from The Art of Service
- Verifying your credential via official portal
- Sharing your certification on LinkedIn and portfolios
- Joining the alumni network of blockchain developers
- Access to exclusive updates and mini-courses
- Invitations to contributor challenges and bounty programs
- Recommended reading: EIPs, Solidity docs, audit reports
- Continuing education paths: advanced auditing, zero-knowledge
- Participating in bug bounties and security programs
- Contributing to protocol documentation
- Becoming a mentor to new learners
- Access to lifetime updates across all materials
- Progress tracking and gamified achievement system
- Badge system for module completion and mastery
- Personalised learning roadmap generator
- Staying ahead with curated release notes and changelogs
- Access to private discussion channels for certified members
- How to showcase dApp projects on GitHub effectively
- Writing clean, documented, and professional code
- Creating READMEs with architecture diagrams and usage guides
- Adding tests, coverage, and CI status badges
- Contributing to open-source blockchain projects
- Making first pull requests and engaging with communities
- Writing technical blog posts to demonstrate expertise
- Building credibility through consistent output
- Preparing for blockchain engineering interviews
- Describing complex dApp systems concisely
- Negotiating roles with smart contract responsibility
- Transitioning from Web2 to Web3 engineering roles
- Freelancing and consulting opportunities
- Creating case studies from personal or open-source projects
- Networking in Web3 communities and forums
- Staying current with EIPs and protocol upgrades