Tempo: How Stripe's Payment-First L1 Blockchain Is Replacing SWIFT With Sub-Second Stablecoin Settlement
When Stripe acquired Bridge for $1.1 billion in late 2024, it signaled fintech's largest bet on stablecoins. Eighteen months later, the result is live: Tempo, a purpose-built Layer 1 blockchain that launched mainnet on March 18, 2026, backed by $500 million in Series A funding at a $5 billion valuation. But this is not another general-purpose chain chasing DeFi composability. Tempo exists for one reason — to make stablecoin payments as fast, cheap, and compliant as the banking system demands, while enabling a new class of payers that banks never anticipated: autonomous AI agents.