Cryptocurrency exchange Coinbase is expanding the ways businesses can pay.PayPal paid invoices to EY using the PayPal USD (PYUSD) stablecoin deposited into EY’s Coinbase Prime account.Stablecoins can make B2B payments and treasury management faster, cheaper, and more efficient as they settle instantly, including across borders.Coinbase CEO Brian Armstrong reports the first-ever crypto transaction between two artificial intelligence agents.