Re:Web3 is centralized and inefficient
by FabHK on Wednesday March 23, 2022 @11:29AM
(#30779476)
You hit the nail on the head, I'd say. If there is one chain, you need to amass 51% to attack it, which is nearly impossible. If there are 100 chains with 1% of the total hash rate each, you just need to control 0.51% of the total hash rate to take over one of those chains.
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This is technically correct, but a lot of applications that use blockchain store the proofs on multiple chains, which in your example is equivalent in hashpower to one big chain. Also you are describing PoW and lots of chains are not PoW now.