Coinbetter: Explore the cross-chain bridge race from Cosmos
On January 20th, Vitalik Buterin re-emphasized in the program interview that there are great security problems in cross-chain. He mentioned that in a single chain, you can easily restore the chain, and everyone can restore the asset to the initial state. In the case of multiple chains, if there is a problem with the asset, the recovery of the chain will be a big problem.