{"id":24787168,"url":"https://github.com/seadog007/smartcontract_ctfgame","last_synced_at":"2025-08-06T16:02:44.773Z","repository":{"id":83153193,"uuid":"130511310","full_name":"seadog007/smartcontract_ctfgame","owner":"seadog007","description":"The CTF questions about smart 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Smart Contract CTF game\r\nThe CTF questions about smart contracts\r\n\r\n# Solutions\r\n#### VXCTF 2018\r\n- [SanityCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/SanityCoin_Solved.sol)\r\n- [MultipleCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/MultipleCoin_Solve.sol)\r\n- [NoMoneyNoCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/NoMoneyNoCoin_Solved.sol)\r\n- [RPSCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/RPSCoin_Solved.sol)\r\n- DeflationCoin (Not solved)\r\n\r\n#### ethernaut.zeppelin.solutions\r\n- [CoinFlip](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/CoinFlip/CoinFlip_Solved.sol)\r\n- [Fallback](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Fallback/Fallback_Solved.sol)\r\n- [Telephone](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Telephone/Telephone_Solved.sol)\r\n- [Force](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Force/Force_Solved.sol)\r\n- [King](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/King/King_Solved.sol)\r\n- [Elevator](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Elevator/Elevator_Solved.sol)\r\n\r\n#### Codefest'18\r\n- [Spiritual Box](https://github.com/seadog007/smartcontract_ctfgame/blob/master/Codefest%2018%20CTF/SpiritualBox/SpiritualBox_Solved.sol)\r\n\r\n\r\n# Solutions By Class\r\n#### Overflow/Underflow\r\n- [MultipleCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/MultipleCoin_Solve.sol)\r\n\r\n#### Forcing Ether into Contract\r\n- [NoMoneyNoCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/NoMoneyNoCoin_Solved.sol)\r\n- [Force](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Force/Force_Solved.sol)\r\n- [Spiritual Box](https://github.com/seadog007/smartcontract_ctfgame/blob/master/Codefest%2018%20CTF/SpiritualBox/SpiritualBox_Solved.sol)\r\n\r\n#### Fake Random\r\n- [CoinFlip](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/CoinFlip/CoinFlip_Solved.sol)\r\n- [RPSCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/RPSCoin_Solved.sol)\r\n\r\n#### Unclassified (yet)\r\n- [SanityCoin](https://github.com/seadog007/smartcontract_ctfgame/blob/master/VXCTF%202018/SanityCoin_Solved.sol)\r\n- DeflationCoin (Not solved)\r\n- [Fallback](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Fallback/Fallback_Solved.sol)\r\n- [Telephone](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Telephone/Telephone_Solved.sol)\r\n- [King](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/King/King_Solved.sol)\r\n- [Elevator](https://github.com/seadog007/smartcontract_ctfgame/blob/master/ethernaut.zeppelin.solutions/Elevator/Elevator_Solved.sol)\r\n\r\n# Useful Resource\r\n- [A survey of attacks on Ethereum smart contracts](https://eprint.iacr.org/2016/1007.pdf)\r\n- [Ethereum Smart Contract Best Practices](https://consensys.github.io/smart-contract-best-practices/)\r\n- [Onward with Ethereum Smart Contract Security](https://blog.zeppelin.solutions/onward-with-ethereum-smart-contract-security-97a827e47702)\r\n- [(Not So) Smart Contracts](https://github.com/trailofbits/not-so-smart-contracts)\r\n- [How to Secure Your Smart Contracts: 6 Solidity Vulnerabilities and how to avoid them (Part 1)](https://medium.com/loom-network/how-to-secure-your-smart-contracts-6-solidity-vulnerabilities-and-how-to-avoid-them-part-1-c33048d4d17d)\r\n- [How to Secure Your Smart Contracts: 6 Solidity Vulnerabilities and how to avoid them (Part 2)](https://medium.com/loom-network/how-to-secure-your-smart-contracts-6-solidity-vulnerabilities-and-how-to-avoid-them-part-2-730db0aa4834)\r\n- [Two Ways of Forcing Ether into a Contract](https://medium.com/@alexsherbuck/two-ways-to-force-ether-into-a-contract-1543c1311c56)\r\n- [Predicting Random Numbers in Ethereum Smart Contracts](https://blog.positive.com/predicting-random-numbers-in-ethereum-smart-contracts-e5358c6b8620)\r\n[Slide](https://schd.ws/hosted_files/appseccalifornia2018/00/AppSecCali%202018%20-%20Predicting%20Random%20Numbers%20in%20Ethereum%20Smart%20Contracts.pdf)\r\n- [Solidity Cheat Sheet](https://github.com/manojpramesh/solidity-cheatsheet)\r\n\r\n# Practices\r\n- [Zeppelin Contest](https://ethernaut.zeppelin.solutions/)\r\n- [Hack This Contract](http://hackthiscontract.io/)\r\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fseadog007%2Fsmartcontract_ctfgame","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fseadog007%2Fsmartcontract_ctfgame","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fseadog007%2Fsmartcontract_ctfgame/lists"}