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Probably not. It probably wouldn't work for Hive because of the whole need to have the 3 second transactions and such as well as just the overall mechanics of the chain. That's why there are only 20 + 1 signing witnesses per block. They don't want anymore due to performance reasons. A proof of work chain requires more confirmations, which makes it a way more secure blockchain, but they really have the one purpose of being actual money instead of being network gas for a chain like Hive. Hive is nothing more than a utility token really.

Thanks for explaining!

Yeah, no problem.