Understanding OpenZeppelin Contracts, Defender, and Wizard
summary
OpenZeppelin reports 4 million downloads of Contracts v4 and finds 68 of 115 top DeFi projects using its services, securing $72B of $88B TVL (82%). Contracts v4 targets Solidity 0.8, adds UUPS proxy support and ERC20Votes governance extensions; Wizard generates ERC20/721/1155 contracts. Defender provides admin, relayers, sentinels and auto tasks and now integrates Chainlink Automation, demonstrated by an auto-task that queries upkeep IDs every five minutes and refills LINK to upkeeps via the relayer; mainnet upkeep registration can take longer.
AI-written summary · about
chapters (6)
related talks
18mUnderstanding OpenZeppelin Contracts, Defender, and Wizard
51mA Deal with the Devil: Breaking Smart Contracts
12mSmart Contract Security
39mThe challenges of building, scaling and securing DeFi protocols
17mMakerDAO Smart Contract Safety - When Billions are at Stake
01h 22mUpgradeability with ZeppelinOS: How Fix Bugs on Deployed smart contracts
25mCommSec D2 - Smart Contract (In)Security
22mA Multi-Layer Dynamic Security Framework for DeFi Smart Contracts