Vitalik Buterin. Source: a screenshot, YouTube/ETHWORLD.
Ethereum (ETH) cofounder Vitalik Buterin decided to do “a random twitter experiment” answering his followers’ many questions – stating that his biggest Ethereum regret is the idea of eight cofounders, and that he was too confident in the network’s speed of moving to proof-of-stake (PoS), further touching on a number of