> In theory you should be able to run all of Bitcoin on a bunch of raspi's If suddenly the computing power available in the world was reduced to a bunch of ras

> In theory you should be able to run all of Bitcoin on a bunch of raspi's If suddenly the computing power available in the world was reduced to a bunch of raspi's, the Bitcoin network would be dead because it would take an inordinately long amount of time to reach the next difficulty adjustment. Only a hard fork could survive.