FYI: when you talk about GPU/mining/energy, you are talking about Proof of Work (pow) and not blockchain. You can look up about Proof of Stake among other ways for consensus
:O, the only possibility for that which comes to my mind is a world in which everybody is infinetly rich?
I worry about russian hackers(spamming) stakes or pulling off attacks.
It took me long enough to believe that BTC wasnt going to break.
It seems like a feature with ~0 benefits. Can you explain?