Munt - Accept multiple cryptocurrencies with just 5 lines of code
Coinbase - Bitcoin, safe and easy.
Solana Pay - Introducing Solana Pay, a decentralized, secure, and open-source payments protocol for the next generation of merchant payments Money with wings.
Binance - Cryptocurrencies exchange platform
MetaMask.io - A crypto wallet & gateway to blockchain apps
Poloniex - US-based cryptocurrency exchange with maximum security