EVM Puzzles

A collection of EVM puzzles.

Open-source

Visit website

This link will take you to a third-party site not owned or operated by Alchemy.

What is EVM Puzzles?

Here is a collection of EVM puzzles on Github. The solution to each puzzle hinges on sending a successful transaction to a contract. The bytecode of the contract is provided, and you need to fill in the transaction data that won't revert the execution.

Improve transaction security with our simulation APIs

Get your API key

Web3 dapps and developer tools related to EVM Puzzles

Discover blockchain applications that are frequently used with EVM Puzzles.

WatchPug

Blockchain Auditing Companies

Smart contract auditing company that doesn't compromise when it comes to your security.

Null Return

Blockchain Auditing Companies

Null Return provides full-cycle blockchain security, from smart contract audits to ongoing protection.

+10

MistTrack

Blockchain Security Tools

A crypto tracking and compliance platform for everyone, built by the SlowMist team.

Best Web3 Security Competitions

Discover more web3 applications and developer tools.

See all dapps

Resources about Web3 Security Competitions

Blog

Learn

2023 web3 development report

Web3 developer activity reaches all-time-highs as new rollup frameworks and account abstraction take root.

How to learn web3 development in 10 steps (2023)

Overview

Technical

How to learn web3 development in 10 steps (2023)

Grow from Novice to Shadowy Super Coder Using this Simple Process

Embedded wallets: externally owned wallets (EOAs) vs. Smart contract wallets vs. Smart EOAs (7702)

Blog

Technical

Embedded wallets: externally owned wallets (EOAs) vs. Smart contract wallets vs. Smart EOAs (7702)

Explore the embedded wallet landscape: comparing EOAs, Smart Contract Wallets, and Smart EOAs (7702) across simplicity, security, UX, and future-readiness. Find the right one for your app.