Hop.exchange: easy to use, and fast to cross tokens among various chains such as Ethereum mainnet, Arbitrum, Polygon, Optimism, etc.Fund Movr: a cross-chain aggregator. You just select the token, chain that you want to transfer from, and transfer to, it will calculate, and choose the optimized route for you.zk.money: a privacy-layer blockchain, which encrypt your wallet address and onchain transactions, for better privacy experience.