Stripe-Backed Blockchain Tempo Starts Testnet; Kalshi, Mastercard, UBS Added as Partners

Tempo, a payments-focused blockchain backed by Stripe and crypto investment firm Paradigm, has launched its public testnet, a key step in its effort in making stablecoin payments for mainstream use. Tempo has also unveiled a roster of new additions to the network’s partner group, including buy-now-pay-later firm Klarna, predictions market Kalshi, payments giant Mastercard and Swiss global bank UBS. They join a group of earlier design partners such as Deutsche Bank, Visa, Shopify, OpenAI and Nubank. Initi ...