Blockchain Roadmap 2026
6 phases · 16 weeks · build one project in every phase.
Step-by-step plan
- How blockchains work
- Hash functions and Merkle trees
- Public keys and signatures
- Wallets and seed phrases
- Block explorers
Project: Build a simple Python blockchain with hashing, proof of work and chain validation
- Accounts and transactions
- Gas and EIP-1559
- Proof of Stake and finality
- ABI and events
- JSON-RPC basics
Project: Write scripts that fetch balances, blocks and decode transactions on Sepolia
- Types and data locations
- Functions, modifiers and errors
- Inheritance and interfaces
- OpenZeppelin contracts
- Foundry unit and fuzz tests
Project: Create and test an ERC-20 token, escrow and voting contract with Foundry
- Reentrancy and access control
- Oracle and flash-loan attacks
- Slither static analysis
- Invariant testing
- Audit preparation
Project: Solve ten Ethernaut levels and write a mini audit report for a sample contract
- Token standards
- AMM and lending maths
- Chainlink oracles
- ERC-4626 vaults
- Upgradeable proxies
- NFT metadata on IPFS
Project: Build a staking vault with rewards and an NFT certificate collection on testnet
- ethers.js, viem and wagmi
- Wallet connection and networks
- Indexing events
- Layer 2 deployment
- Monitoring and CI/CD
Project: Deploy a full-stack crowdfunding dApp on a Layer 2 testnet with a React front-end
Practise each topic
Frequently asked questions
How long does it take to learn Blockchain?
Following this roadmap takes about 16 weeks with regular practice. Working professionals usually need a little longer.
What should I learn first in Blockchain?
Start with phase 1: How blockchains work, Hash functions and Merkle trees, Public keys and signatures. Build the phase project before moving on.
How do I know I am job-ready in Blockchain?
When you can finish all phase projects on your own, solve the medium questions in the topic sheets and clear the mock interview comfortably.