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Tempo launches mainnet, unveils machine payments protocol with Stripe

Tempo, a payments blockchain co-developed by Stripe and venture capital firm Paradigm, has launched its mainnet, The Block reported on March 18. The project introduced a Layer 1 blockchain designed for large-scale payment processing and an open machine-to-machine payments protocol developed with Stripe. Tempo also unveiled a payments directory listing more than 100 service providers. Tempo was previously released on testnet in December and raised $500 million in a Series A round in October at a $5 billion valuation.