Back to RoadmapsBlockchain/Web3 Developer
Build decentralized applications and smart contracts on Ethereum and other blockchain platforms with security-first development practices
10 milestones in this roadmap
Step 1beginner4-6 weeks
Blockchain Fundamentals
Understand distributed ledgers, consensus mechanisms, hash functions, and Merkle trees
Curriculum
- 1Distributed Ledger Technology & P2P Networks
- 2Consensus Mechanisms: PoW, PoS & BFT Variants
- 3Cryptographic Hash Functions: SHA-256 & Keccak-256
- 4Merkle Trees, Merkle Proofs & Data Integrity
- 5Digital Signatures: ECDSA & Transaction Lifecycle
Tools & Platforms
Bitcoin CoreGethEtherscanblockchain.com ExplorerCrypto LibrariesPython
Step 1beginner4-6 weeks
Blockchain Fundamentals
Understand distributed ledgers, consensus mechanisms, hash functions, and Merkle trees
Curriculum
- 1Distributed Ledger Technology & P2P Networks
- 2Consensus Mechanisms: PoW, PoS & BFT Variants
- 3Cryptographic Hash Functions: SHA-256 & Keccak-256
- 4Merkle Trees, Merkle Proofs & Data Integrity
- 5Digital Signatures: ECDSA & Transaction Lifecycle
Step 2beginner5-6 weeks
Ethereum & Smart Contracts
Learn EVM architecture, gas mechanics, and basic Solidity smart contract development
Curriculum
- 1EVM Architecture & Bytecode Execution
- 2Gas Mechanics & EIP-1559 Fee Market
- 3Account Types: EOA vs Contract Accounts
- 4Solidity Basics: Variables, Functions & Visibility
- 5
Step 3intermediate5-7 weeks
Solidity Programming
Write efficient Solidity with advanced data types, modifiers, inheritance, and storage patterns
Curriculum
- 1Data Types: Mappings, Structs, Enums & Arrays
- 2Function Modifiers: Custom Modifiers & Access Control
- 3Inheritance: Interfaces, Abstract Contracts & Overrides
- 4Events, Indexed Parameters & Log Filtering
- 5
Step 4intermediate5-7 weeks
DeFi Protocols
Master AMMs, lending protocols, yield farming, flash loans, and DeFi composability
Curriculum
- 1AMMs: Constant Product Formula & Liquidity Pools
- 2Lending Protocols: Collateralization & Liquidation
- 3Yield Farming & Liquidity Mining Strategies
- 4Flash Loans: Single-Transaction Borrowing
- 5
Step 5intermediate5-7 weeks
Smart Contract Security
Identify and prevent smart contract vulnerabilities with security tools and formal verification
Curriculum
- 1Reentrancy Attacks: Single, Cross-Function & Cross-Contract
- 2Integer Overflow, Access Control & Front-Running
- 3Oracle Manipulation & Price Feed Security
- 4Static Analysis: Slither & Symbolic Execution: Mythril
- 5
Step 6intermediate5-6 weeks
Frontend Integration
Build dApp frontends with ethers.js, wagmi, Web3Modal, and wallet integration
Curriculum
- 1ethers.js: Providers, Signers & Contract Instances
- 2wagmi: React Hooks for Ethereum
- 3Web3Modal: Multi-Wallet Connection Flows
- 4Transaction Signing, Confirmation & Error Handling
- 5
Step 7advanced5-6 weeks
Token Standards & NFTs
Build with ERC-20, ERC-721, ERC-1155 token standards and NFT marketplace contracts
Curriculum
- 1ERC-20: Fungible Token Standard & Extensions
- 2ERC-721: Non-Fungible Tokens & Metadata
- 3ERC-1155: Multi-Token Standard & Batch Operations
- 4IPFS & Decentralized Storage for Metadata
- 5
Step 8advanced5-7 weeks
Layer 2 & Scaling
Build on L2 solutions including Optimistic rollups, ZK-rollups, and cross-chain bridges
Curriculum
- 1Optimistic Rollups: Fraud Proofs, Optimism & Arbitrum
- 2ZK-Rollups: Validity Proofs, zkSync & StarkNet
- 3State Channels & Sidechains
- 4Cross-Chain Bridges: Security & Architecture
- 5
Step 9advanced5-7 weeks
Testing & Deployment
Test and deploy smart contracts with Hardhat, Foundry, gas optimization, and proxy patterns
Curriculum
- 1Hardhat: Tasks, Plugins & Mainnet Forking
- 2Foundry: Forge Tests, Fuzz Testing & Cheatcodes
- 3Gas Optimization: Storage Packing & Assembly/Yul
- 4Upgradeable Contracts: Transparent Proxy, UUPS & Beacon
- 5
Step 10advanced5-7 weeks
Enterprise Blockchain
Build enterprise solutions with Hyperledger Fabric, digital identity, and asset tokenization
Curriculum
- 1Hyperledger Fabric: Channels, Chaincode & Ordering
- 2Supply Chain Traceability & Provenance
- 3Digital Identity: DIDs & Verifiable Credentials
- 4Asset Tokenization: Real Estate & Securities
- 5
Ready to start this journey?
Browse our courses and books to begin your learning path.
Bitcoin CoreGethEtherscanblockchain.com ExplorerCrypto LibrariesPython
Smart Contract Deployment & Interaction
Tools & Platforms
Remix IDEMetaMaskEtherscanGethSolidityEthereum Testnets
Step 2beginner5-6 weeks
Ethereum & Smart Contracts
Learn EVM architecture, gas mechanics, and basic Solidity smart contract development
Curriculum
- 1EVM Architecture & Bytecode Execution
- 2Gas Mechanics & EIP-1559 Fee Market
- 3Account Types: EOA vs Contract Accounts
- 4Solidity Basics: Variables, Functions & Visibility
- 5Smart Contract Deployment & Interaction
Tools & Platforms
Remix IDEMetaMaskEtherscanGethSolidityEthereum Testnets
Storage Patterns: Storage vs Memory vs Calldata
Tools & Platforms
SolidityRemix IDESolidity Visual AuditorSolhintNatSpecOpenZeppelin
Step 3intermediate5-7 weeks
Solidity Programming
Write efficient Solidity with advanced data types, modifiers, inheritance, and storage patterns
Curriculum
- 1Data Types: Mappings, Structs, Enums & Arrays
- 2Function Modifiers: Custom Modifiers & Access Control
- 3Inheritance: Interfaces, Abstract Contracts & Overrides
- 4Events, Indexed Parameters & Log Filtering
- 5Storage Patterns: Storage vs Memory vs Calldata
Tools & Platforms
SolidityRemix IDESolidity Visual AuditorSolhintNatSpecOpenZeppelin
DeFi Composability & Protocol Architecture Analysis
Tools & Platforms
UniswapAaveCompoundCurve FinanceDeFi LlamaDune Analytics
Step 4intermediate5-7 weeks
DeFi Protocols
Master AMMs, lending protocols, yield farming, flash loans, and DeFi composability
Curriculum
- 1AMMs: Constant Product Formula & Liquidity Pools
- 2Lending Protocols: Collateralization & Liquidation
- 3Yield Farming & Liquidity Mining Strategies
- 4Flash Loans: Single-Transaction Borrowing
- 5DeFi Composability & Protocol Architecture Analysis
Tools & Platforms
UniswapAaveCompoundCurve FinanceDeFi LlamaDune Analytics
Fuzzing: Echidna & Formal Verification Basics
Tools & Platforms
SlitherMythrilEchidnaOpenZeppelin ContractsFoundry FuzzCertora
Step 5intermediate5-7 weeks
Smart Contract Security
Identify and prevent smart contract vulnerabilities with security tools and formal verification
Curriculum
- 1Reentrancy Attacks: Single, Cross-Function & Cross-Contract
- 2Integer Overflow, Access Control & Front-Running
- 3Oracle Manipulation & Price Feed Security
- 4Static Analysis: Slither & Symbolic Execution: Mythril
- 5Fuzzing: Echidna & Formal Verification Basics
Tools & Platforms
SlitherMythrilEchidnaOpenZeppelin ContractsFoundry FuzzCertora
ENS Resolution & Real-Time Event Subscriptions
Tools & Platforms
ethers.jswagmiWeb3ModalRainbowKitReactTypeScript
Step 6intermediate5-6 weeks
Frontend Integration
Build dApp frontends with ethers.js, wagmi, Web3Modal, and wallet integration
Curriculum
- 1ethers.js: Providers, Signers & Contract Instances
- 2wagmi: React Hooks for Ethereum
- 3Web3Modal: Multi-Wallet Connection Flows
- 4Transaction Signing, Confirmation & Error Handling
- 5ENS Resolution & Real-Time Event Subscriptions
Tools & Platforms
ethers.jswagmiWeb3ModalRainbowKitReactTypeScript
Marketplace Contracts: Listings, Auctions & EIP-2981 Royalties
Tools & Platforms
OpenZeppelinIPFS/PinataArweaveOpenSeathirdwebManifold
Step 7advanced5-6 weeks
Token Standards & NFTs
Build with ERC-20, ERC-721, ERC-1155 token standards and NFT marketplace contracts
Curriculum
- 1ERC-20: Fungible Token Standard & Extensions
- 2ERC-721: Non-Fungible Tokens & Metadata
- 3ERC-1155: Multi-Token Standard & Batch Operations
- 4IPFS & Decentralized Storage for Metadata
- 5Marketplace Contracts: Listings, Auctions & EIP-2981 Royalties
Tools & Platforms
OpenZeppelinIPFS/PinataArweaveOpenSeathirdwebManifold
Interoperability: LayerZero & Chainlink CCIP
Tools & Platforms
OptimismArbitrumzkSyncPolygonLayerZeroChainlink CCIP
Step 8advanced5-7 weeks
Layer 2 & Scaling
Build on L2 solutions including Optimistic rollups, ZK-rollups, and cross-chain bridges
Curriculum
- 1Optimistic Rollups: Fraud Proofs, Optimism & Arbitrum
- 2ZK-Rollups: Validity Proofs, zkSync & StarkNet
- 3State Channels & Sidechains
- 4Cross-Chain Bridges: Security & Architecture
- 5Interoperability: LayerZero & Chainlink CCIP
Tools & Platforms
OptimismArbitrumzkSyncPolygonLayerZeroChainlink CCIP
Deployment Automation & Verification
Tools & Platforms
HardhatFoundryTenderlyEtherscan VerificationOpenZeppelin Upgradesdefender
Step 9advanced5-7 weeks
Testing & Deployment
Test and deploy smart contracts with Hardhat, Foundry, gas optimization, and proxy patterns
Curriculum
- 1Hardhat: Tasks, Plugins & Mainnet Forking
- 2Foundry: Forge Tests, Fuzz Testing & Cheatcodes
- 3Gas Optimization: Storage Packing & Assembly/Yul
- 4Upgradeable Contracts: Transparent Proxy, UUPS & Beacon
- 5Deployment Automation & Verification
Tools & Platforms
HardhatFoundryTenderlyEtherscan VerificationOpenZeppelin Upgradesdefender
Enterprise Architecture & Blockchain Decision Framework
Tools & Platforms
Hyperledger FabricHyperledger BesuCordaAzure BlockchainIBM Blockchain PlatformFirefly
Step 10advanced5-7 weeks
Enterprise Blockchain
Build enterprise solutions with Hyperledger Fabric, digital identity, and asset tokenization
Curriculum
- 1Hyperledger Fabric: Channels, Chaincode & Ordering
- 2Supply Chain Traceability & Provenance
- 3Digital Identity: DIDs & Verifiable Credentials
- 4Asset Tokenization: Real Estate & Securities
- 5Enterprise Architecture & Blockchain Decision Framework
Tools & Platforms
Hyperledger FabricHyperledger BesuCordaAzure BlockchainIBM Blockchain PlatformFirefly