Interoperability

You’re staring at a smart contract that needs to read a price feed from Ethereum, trigger a liquidation on Arbitrum, and settle the result on Solana — all within the same transaction flow. You know the cross-chain messaging space has settled into four major contenders, but each takes a fundamentally different stance on how trust is distributed, who validates what, and where the failure modes live. Picking wrong means shipping a protocol that either costs too much, moves too slow, or — worst case — gets exploited. ...