Update README.md

Author: keywolf

README.md

@@ -11,6 +11,7 @@
 * [翻译资料](#翻译资料)
 * [开放报告](#开放报告)
 * [思维导图](#思维导图)
+* [其他资料](#其他资料)
 
 ## 基础研究
 
@@ -51,3 +52,10 @@ Some mind maps of blockchain security.
 * [DApp Attack & Defense](https://github.com/slowmist/Knowledge-Base/blob/master/dapp_attack_defense.png)
 * [Exchange or Wallet Attack & Defense](https://github.com/slowmist/Knowledge-Base/blob/master/exchange_wallet_attack_defense.png)
 * [Evil Blockchain & how to be evil](https://github.com/slowmist/Knowledge-Base/blob/master/evil_blockchain.png)
+
+## 其他资料
+
+Other awesome collections.
+
+* [Hacked](https://hacked.slowmist.io)
+* [Awesome Blockchain Bug Bounty](https://github.com/slowmist/awesome-blockchain-bug-bounty)