QR codes systems for COVID-19.
Simple tools for bars, restaurants, offices, and other small proximity businesses.
Creators of the Ripple protocol
Ripple is an open-source, distributed payment protocol. It enables nearly free and instant payments with no chargebacks and in any currency - including dollars, yen, euros, Bitcoin, and even loyalty points. Businesses of any size can easily build payment solutions, ...
Bitcoin/Blockchain API for Developers
Chain.com is the leading developer platform for bitcoin. Our API makes it easy to build bitcoin applications and services that are reliable and secure. We power wallets, exchanges, remittance services, tipping apps, smart contracts, identity systems, and more.