The fastest cryptocurrency in the world. Built for payments.

Atto is open-source digital cash with sub-second confirmations and zero network fees. From everyday payments and tiny tips to automated transactions between AI agents, Atto makes even the smallest transfers practical. What you send is exactly what arrives.

This is where the people using and building Atto come together. Meet developers, ask questions, challenge our benchmarks, share what you're building, and help improve the network.

Whether you're discovering cryptocurrency for the first time or exploring the limits of distributed systems, you're welcome here.

Small payments. Full speed. Zero fees.