valve banning crypto, blockchain, and NFTs?<br><br>good,(reply>), Other than Proof of Stake that was already mentioned in someone else's comment. Another energy efficient algorithm is Proof of Space and Time, used to verify that data is being stored on a computer that someone is paying to have stored there.,(reply>), Crypto doesn't inherently waste massive amounts of energy. It's only a single type of algorithm (Proof of Work) that does this.<br><br>There are viable alternatives that are actually being used in cryptocurrencies.<br><br>As for Bitcoin being widely used? It was the first, and became well known for that. But it's technology is old and obsolete now. There are plenty of coins that do it better without wasting energy.<br><br>And how much energy do you think financial institutions use to keep all those systems they use secure and functioning? How much waste goes into those big buildings, designed to make you feel unimportant with their grandeur?,(reply>), @Leaf 💕 nuclear take, youngling,(reply>), @Sanjay Swain huh you spoiled that leaving in western country, come live here in Middle East the place that government literally wants to kill you<br>My point is not every government seek best of their sentences<br>And cryptocurrency maybe the answer is thing that government blocking, I mean how the hell I'm gonna pay for my vpn to write this comments to piece you off without cryptocurrency.,(reply>), @Sawyer bitcoin is the opposite of untraceable lol do u know anything about it. It's a public ledger which every single transaction is logged. All the addresses that the BTC has been sent around is there from the first BTC till the last.