The cross-chain stablecoin Tether USDT0 has been deployed to the Optimism Superchain, with Optimism announcing that USDT0 is now live on the OP mainnet. The Superchain is a second-layer chain network designed to expand Ethereum through Optimism's OP Stack. The deployment of USDT0 is expected to attract more leading assets, applications and partners to join the Superchain. (Cointelegraph)