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Discussion on: is there a defense of crypto? (bitcoin specifically)

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Arnaud Dagnelies

I also consider Bitcoin as a stupid waste of resources on a global scale. All proof-of-work tokens are a disaster IMHO since the security is based on a proof that enough processing power has been spent.

However, there are many other tokens based on proof-of-stake which do not waste energy and are more efficient. These make much more sense IMHO since they are more ecologic/sustainable.