Ripple, the payments-focused blockchain firm closely related to the XRP Ledger (XRP), is taking its U.S. dollar-backed stablecoin Ripple USD (RLUSD) to Ethereum layer-2 (L2) blockchains including Optimism, Coinbase's Base, Kraken's Ink and Uniswap's Unichain in a push to embed the $1.3 billion token deeper into the multichain ecosystem. The company, announcing the move Monday, said it is starting with a test phase ahead of a wider rollout expected next year, pending regulatory approval by the New York De ...