Vitalik’s recent statement about multichain and cross chain has aroused heated discussion. Vitalik claimed that while he is optimistic about a multi-chain blockchain ecosystem, he is still pessimistic about cross-chain applications and the fundamental security limits of bridges are the key reason. Multichain vs cross chain, a good question indeed. However I’m afraid I have to say Vitalik jumped to the conclusions. We obviously cannot deny the importance and necessity of cross chain bridges in...