- Secureum
- rekt.news (in particular the rekt leaderboard)
- rugdoc.io
- Faith Faraz's Blog
- Roman's Heuristics Repo
- Origin Protocol's Incident Repo
- Blockchain Threat Intelligence
- noxx
- Week In Ethereum
- Tincho's articles
- Secureum Mind Map
- Matta Aereal’s Security RoadMap
- Wufflz Blockchain Security Guide
- The Auditoor Grindset by Zellic
- Smart Contract Auditor Roadmap
- How to become Smart Contract Auditor by cmichel
- Hacking the Blockchain: The Ultimate Guide by Sleepy
- Ethernaut
- EthernautDAO
- DamnVulnerableDefi
- Quill CTF
- CaptureTheEther
- EVM through CTF’s
- EVM Puzzles
- Mr Steal Yo Crypto
- Paradigm CTF
- CTF Protocol
- https://github.com/secureum/DeFi-Security-Summit-Stanford
- https://github.com/immunefi-team/community-challenges
- Blocksec CTF's
- Smart Contract Attack Vectors
- Smart Contract Security Verification Standard
- Smart Contract Vulnerabilities
- Ethereum Smart Contract Best Practices
- The Solcurity Standard
- Smart Contract Vulnerabilities (SCV) List
- Web3 Security Library
- Solidity Patterns
- Solidity Quiz
- Solidity by Example
- Classified list of errors in Solidity
- Web3 Developer Anki Cards
- Proxies by yAcademy
- UUPS and Transparent Proxies by OpenZeppelin - video
- Beacon and Diamond Proxies by Byterocket - video
- The EVM Handbook
- EVM Handbook - Mastering ethereum
- EVM Puzzles by fvictorio
- More EVM Puzzles by daltyboy11
- The Ethereum Virtual Machine by jtriley