GPUs aren't need for blockchain. Bitcoin is stuck in the past and is a shame it's what everyone looks at, along with the misnomer "cryptocurrency". Ethereum is

GPUs aren't need for blockchain. Bitcoin is stuck in the past and is a shame it's what everyone looks at, along with the misnomer "cryptocurrency". Ethereum is the leader in the space and the only one innovation and uses PoS which can run a validator on very little hardware, such as a raspberry pi.