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PoS dont work, there is no PoS blockchain safe as PoW working at the moment. Ans, iota, ripple are pre-mined and are centralised.

Ethereum is moving to PoS in the next month

yeah sure, everyone believe your shit

Yes ive been looking at that too. We're using ZCash as a backup, and there's plenty of other things to mine that also look promising. Some of the coins that are currently very profitable started as nothing.