I just looked at a cross-chain transfer transaction, and suddenly I started thinking: the so-called "cross-chain" is basically just trusting someone to pass your message. IBC looks very elegant, but in reality, you don't just trust the "protocol"—both chains' own consensus must be reliable, don't forget to write the light client/validation logic correctly, relayers are just carriers but can also block your messages, and if you get the channel/connection configuration wrong, it's like writing the wrong address... The bridge setup is even more straightforward: multi-signature/validator sets, ora