Coinbase

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

Send, spend, save, and earn money via stablecoins.

Y Combinator

Winter offers an embeddable checkout widget for businesses & NFT projects to sell NFTs through a credit card

Y Combinator

WalletKit is a developer platform that abstracts away the complexities of blockchain tech and provides simple HTTP APIs.

Y Combinator