are the odds of a bitcoin 51 attack growing 
on may 8 2024 the bitcoin network s total hashrate was 569 29 exahashes per second eh s the top three mining pools by three day hashrate were 8combined these three pools made up 72 1 of the network hashrate a whopping 486 9 eh s 486 9 million th s the cpu in your computer might be able to hash at about 15 kilo hashes per second if foundry and viabtc were to collude they could take over 51 of the hashrate 248 eh s foundry and antpool combined could control 69 3 of the network because these pools use platforms to connect pool members and manage workloads if the managers decided to take control they could issue work orders to their pools to work on the altered chain the pool s miners would have no idea which chain they were working on since their mining rigs automatically work on whatever task they are given even more concerning is that these three pools also monopolize the majority of the network hash rates for bitcoin cash litecoin and bitcoin sv these pools have been operating for several years without issue but the fact remains that they already control most hashing power of the minable and profitable cryptocurrencies 8