Across is a bridge method using bound relays, a single-sided liquidity pool and UMA's Optimistic Oracle that, when put together, enables decentralized and instantaneous transfers. across's cross-chain bridge allows you to return assets to the main ethereum network L1 in a cheap, secure and fast way.Across Protocol is now live on mainnet. Across is the fastest, cheapest and most secure L2 to L1 bridge. Any potential Across token will be distributed in the fairest possible way: you de...