blockchain

layout	default
title	Blockchain
parent	Challenges
nav_order	11
permalink	/challenges/blockchain/

Blockchain Challenges

#	Challenge	Difficulty	Key Techniques	Writeup
1	Survival of the Fittest	Very Easy	Smart Contract Interaction, cast	InfoSec Writeups
2	Russian Roulette	Very Easy	Block Hash Manipulation	Forbytten
3	Lucky Faucet	Easy	Integer Overflow, Solidity	7Rocky
4	Funds Secured	Easy	Incorrect Parameter Verification	7Rocky
5	Magic Vault	Easy	Private Storage Read, Block Mechanics	Medium - 0x-professor
6	Distract and Destroy	Easy	Smart Contract Logic Exploit	GitHub - KanakSasak
7	Confidentiality	Medium	ERC-721, ECDSA Signature Malleability	7Rocky
8	Honor Among Thieves	Medium	Multi-Contract Exploitation	GitHub - KanakSasak
9	Art of Deception	Medium	Smart Contract Deception	Medium - Nikhil
10	University CTF 2024 Blockchain	Various	Multiple Smart Contract Challenges	Medium - Nafiz

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