You can use Synapse to frictionlessly transfer stablecoins to and from Arbitrum, Avalanche, Boba, BSC, Ethereum, Fantom, Harmony, and Polygon, and ETH to and from Arbitrum, Boba, and Ethereum - with more chains and assets always in the works. You can also seamlessly swap between stablecoin assets on different chains, for instance from BUSD on Binance Smartchain to USDT on Avalanche, or vice versa.