CTFGym - 与以太坊世界相关的CTF列表（ solidity sm

项目说明

List of CTF in Ethereum world

I'd like to maintain a list of ctf related to solidity smart contracts. (both testnet and mainnet)
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CTF in Ropsten

Capture the Ether

OpenZeppelin Ethernaut

ChainShot

Security Inno Blockchain CTF

CTF de by Reddit user u/wadeAlexC (Deployed from Jun-23-2018 to Sep-16-2018)

- Original contracts
- PART1 - FunctionTypes
- PART2 - SafeExecution
- PART3 - HoneyPot
- PART4 - FinePrint

CTF de by Reddit user u/eththrowaway4 (Deployed on Jul-02-2018)

- Original contract
- 0x0dAabcE0a1261B582e0d949EbCA9DFf4c22C88ef

CTF in Mainnet

CTF de by p (Deployed on No)

- Original contracts
- 0x7cd03C9f1D2dc95358B1992e9afc857aeaab45D5 (0.25 ether, GONE) Source Code
- 0x8bd25c23d1d01e3216f3410146153f14775dbb6f (0.5 ether, GONE)
- 0xf278b6fcbc0d36db19da5123da79e (1 ether, GONE)
- Walkthrough by author

CTF de by p4d (Deployed on Dec-07-2018)

- Original contract
- 0x661a64DcC2f04117D0F8A919E2aC66aF8d401d6 (1 ether, GONE)
- Source Code (Bot stole the prize)
- Safe (Use of OneTimeToken)

CTF de by ConsenSys Diligence (Deployed on Feb-26-2019) (The first of a series)

- Announcement
- Original contract
- 0x68Cb858247ef5c4A0D0Cde9d6F68Dce93e49c02A (GONE, resolved by )
- Solution writeup written by samczsun (200 DAI bounty reward)

LOCAL CTF

Damn

- Website
- Repo

Paradigm CTF 2021

- Repo

Paradigm CTF 2022 (TBA)

- Website

CTF-BOT Resistant

I de a simple utility contract, OneTimeToken (OTT), for mitigate the issue regard CTF and every contracts where a malicious user or bot could listen on blockchain and wait to find useful info, for instante to discover the input parameters needed to call functions for winning a CTF and create the same transaction with higher gas fees.

The contract OneTimeToken.sol is similar to Ownable.sol de by OpenZeppelin, but it includes the way to request a token access for a fixed time (15 minutes by default), it also can be changed by contract owner. In this way only the owner of token access can do some sensiti calls until the token access expired and someone else request it.

Implementation

Every ctf creator, for instance, could use it in easy way only including ´onlyTokenOwner´ in sensiti.

The user that find the solution to the challenge, can call resolveCTF(solution) in safe mode having token access (requestTokenOwner() in OTT).

Resources

Solidity Official Documentation

CryptoZombies smart contracts courses

Program the Blockchain

Mythril Classic: Security analysis tool for Ethereum smart contracts

Consensys Smart Contract Security Best Practices

Ethereum Explained: The EVM (video)

E (E)

EVM Deep Dives (made by noxx)

E (made by f)

Contribute

You feel free to collaborate in any way, it would be much appreciated.

项目信息

开发语言：Solidity

Star 数：123

技术要点

该项目属于CTF思路方向的开源资源，代码结构清晰，适合安全研究人员学习参考。项目围绕List of CTF related to Ethereum world (solidity smart contracts) 展开，提供了可运行的实现，对理解相关安全机制、工具原理与攻防技术具有较高的研究价值。

从技术实现角度看，此类项目的核心在于对底层原理的深入理解与工程化落地。开发者在研究过程中可以结合官方文档与社区讨论，梳理项目的初始化流程、核心模块职责与数据流转，逐步掌握其中的技术细节与设计思路。

使用与学习建议

1. 下载源码压缩包，解压到本地环境。

2. 根据项目类型准备对应的运行环境与依赖。

3. 按照 README 中的步骤完成配置与部署。

4. 在隔离的测试环境中运行验证，避免影响生产系统。

免责声明

本资源来源于开源社区，仅供安全研究、技术学习与合法授权范围内的攻防演练使用，请勿用于任何非法或侵害他人权益的用途。使用本项目产生的一切后果由使用者自行承担。