Encryption Videos

This all on encryption. Good videos, they build on each other and get heavier. A lot better than reading the stuff though:

Hacking

Past hacks to learn from

• DAO Hack
• Parity Wallet Hack
• Parity Wallet Hack 2

• Frontrunning
• Secure generation of randomness
• Replay Attacks

Testing & Tools

• Oyente – static analyzer
• Securify – static analyzer
• OpenZepplin’s – pre-audited, open source contracts

Games & Challenges

• Ethernaut – A game were you attack vulnerabilities in smart contracts.
• Hack This Contract – A set of Smart Contract hacking challenges

Articles

• Smart Contract Best Practises – compiled by ConsenSys. Reread and learn this in your BC career. Read through the bibliography for further resources by security professionals.
• Hacking Distributed – Blockchain security analyses by Cornell researchers
• Security Technology Explained – This is a great read. Security encryption explained with real world scenarios.