Ethereum

solidity

sending eth directly to buyusdc.eth gets you more usdc and saves about three dollars on gas versus swapping on any of the popular routers on mainnet. This is efficiency at a per-lego level. Zwaps should be simple.

zwap contract: https://etherscan.io/address/0x00000000000066cb57f7066c1ee03752c015d8ac#code

send eth on mainnet to buyusdc.eth, get usdc. simple as that

send eth on mainnet to buyusdc.eth, get usdc. simple as that https://www.onceupon.xyz/0x160eaa5efe8fa5583358e594cfbaa418754ce0e188cc77cc20ee46dec9b6c18e