The first app for spending cryptocurrency in stores. Instantly. Start with a Flexa balance in the coin of your choice. We provide support for Bitcoin, Ether, Bitcoin Cash, and Litecoin, with many more currencies coming soon. Take Flexa with you to buy food, electronics, clothes and more. We're integrated with payment terminals in over 35,000 locations worldwide—and counting. When you're ready to pay, just tap to reveal a flexcode. Don't worry about typing in a wallet address or amount; we instantly convert your payment at the market rate.
ARPA is a Secure Computation Network Compatible With Blockchains They propose a blockchain-based secure computation network of Multi-party Computation (MPC). ARPA cryptographically enables private smart contract, unprecedented data-at-use privacy protection, as well as scalable computational sharding.