RhinoFi is a Layer 2 cross-chain bridge that supports 20+ major chains like Ethereum, Polygon, and opBNB.They've attracted 2+ million wallets, $2.3B in total volume, and over 48M transactions.Like the other options in this post, it's a fast bridge with transactions under 60 seconds. They are backed by top names in crypto like StarkWare, Consensys (creators of MetaMask) and Ledger.