Recently, I saw everyone guessing whether projects will run away or migrate during a major public chain upgrade or downtime.


I actually thought about cross-chain issues: if you really want to go from A to B, it’s not just a click of a button.
You’re actually silently trusting a series of “middlemen.”
For example, who proves that the other side really performed that operation, how is the proof transmitted, whether it can be replayed, who is responsible for executing once the message arrives…
If any link in the chain fails, assets/status could get stuck halfway.
I quite like the idea of IBC because it puts “who is responsible for attesting” on the table, but honestly, the most expensive part of cross-chain is trust cost.
Anyway, before I do cross-chain now, I first make sure I know exactly who I am trusting, rather than just focusing on low fees.
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