Dapp StoreEthereumWeb3 Security ToolsWeb3 Security Competitions
EVM Gas Puzzles
EVM Gas Puzzles
Web3 Security Competitions

EVM Gas Puzzles

Practice gas optimization with real smart contracts.

Ethereum Logo
Avalanche Logo
Polygon Logo
Free

What is EVM Gas Puzzles?

Gas puzzles make it easy for Ethereum engineers to practice optimizing smart contracts. Each puzzle has a gas target that we know is achievable, but the current implementation is not efficient enough to hit the target. Your goal is to optimize the contract so the target it hit.

Improve transaction security with our simulation APIs
Get your API key
Is this your project?
Request edits

Best Web3 Security Competitions

Discover more web3 applications and developer tools.

See all dapps
Section background image

Build blockchain magic

Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.

Get your API key