Fintech heavyweights are moving to build sovereign Layer-1 blockchains for stablecoin issuance or payments. Stripe’s Tempo (with Paradigm) and Circle’s Arc (with USDC as native gas) were just unveiled - validating the appchain thesis Cosmos pioneered. Dive in to explore what this means for stablecoins, DeFi, and interchain finance. Stripe Tempo blockchain, Circle Arc chain, stablecoin L1, Cosmos Noble USDC, USDT Stable chain, payments L1, fintech blockchain