Quantstamp

Quantstamp’s mission is to secure the decentralized internet, and has protected over $200B in digital asset risk from hackers.

A digital currency wallet and platform where merchants and consumers can transact with new digital currencies like bitcoin, ethereum, and litecoin.

Y Combinator

Rainbow is a fun, simple, and secure Ethereum wallet that makes managing your assets a joy.

Y Combinator

Crypto-native group messaging

Y Combinator