Templates
Start from a production-ready template. All contracts use audited OpenZeppelin v5 components. — Sign in to use a template.
Simple ERC-20 Token
Mintable/burnable ERC-20 with Ownable access control. 1B fixed supply, owner can mint more.
NFT Collection
ERC-721 with merkle allowlist, 10K supply cap, 5% royalties (ERC-2981), sequential IDs.
ERC-20 Staking Pool
Stake token A, earn token B rewards over time. Linear emission with safe math and reentrancy protection.
Governance DAO
Full Governor DAO with token voting, 24h timelock, 4% quorum, and proposal execution.
Token Vesting
Linear vesting with 1-year cliff, 4-year schedule. OZ VestingWallet with team allocation.
Upgradeable ERC-20
UUPS proxy with initializer, Ownable2Step, pausable. Safe upgrade pattern with storage gap.
ERC-4626 Yield Vault
Tokenized yield vault. Deposit assets, receive shares. Integrates with Chainlink price feed.
Merkle Airdrop
Gas-efficient airdrop using merkle tree proof verification. Off-chain list, on-chain claim.
English Auction
Ascending-price NFT auction with minimum bid increment, bid extension, and automatic refunds.