YSc21

Solidity Automatic Exploit Generation?
try it:
nc aab2596ac4a422a9f803ed317089c399b818bb72.balsnctf.com 30731

Be a King

* Give you a contract bytecode, give me transaction data to be a king.
* Timeout = 10 seconds per challenge.
* You can call isKing() to verify it.

YSc21

TPC

Flag is in the working directory

http://35.194.175.80:8000

update: You don't need to use fuzzing tools to guess file names, The flag file name is unguessable.

Author: ysc

YSc21

Proxy

Never Trust, Always Verify.

http://proxy.balsnctf.com/

Flag is not a local file, you don't need to use any fuzzing tools.

Author: ysc

YSc21

Balsn CTF 2022

• My First App
• Cairo Reverse
• NFT Marketplace

My First App

I love next.js! http://my-first-web.balsnctf.com:3000/

YSc21

Balsn CTF 2023

Web3

Hello Web3!

http://web3.balsnctf.com:3000

Author: ysc