You've learned the concepts. Now put them into practice.
Practice safely on testnets
Get Testnet ETH
Get free test ETH from the Sepolia faucet
Send Your First Transaction
Make your first transfer on testnet with MetaMask
Explore Etherscan
View your transaction on the block explorer
Deploy a Smart Contract
Deploy your first contract on Remix IDE
Key dApps and tools for each chain
Uniswap
Decentralized Exchange (DEX)
Aave
Decentralized lending protocol
OpenSea
NFT marketplace
ENS
Decentralized domain names
Etherscan
Block explorer
Snapshot
DAO voting platform
Aerodrome
Base DEX
friend.tech
Social tokens
Basescan
Base explorer
Celenium
Celestia explorer
Mintscan
Cosmos explorer
Rollkit
Rollup framework
Celestia Docs
Official docs
Hackathons, developer docs, and communities
ETHGlobal Hackathons
Ethereum hackathons worldwide
Ethereum Developer Docs
Official dev guides and tutorials
Solidity by Example
Learn Solidity through examples
DefiLlama
DeFi TVL and protocol analytics