Bitcoin Code Anybody, regardless of whether they run a Bitcoin "hub" or not, can see these exchanges happening live. So as to accomplish a loathsome demonstration, a terrible on-screen character would need to work 51% of the figuring power that makes up Bitcoin. Bitcoin right now has more than 10,000 hubs and this number is developing, making such an assault very far-fetched.
https://www.marketwatch.com/press-re...ite-2020-06-30