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A comment on Bitcoin Sees Wall Street Warm to Trading Virtual Currency. Parent comment

Re:Bitcoin Sees Wall Street Warm to Trading Virtual Currency by tuesdayrain on Tuesday May 08, 2018 @10:54AM (#17021293)
Proof of work isn't a requirement for those things. Proof of Stake is virtually as secure, and in some cases more secure, than PoW. While also being much more environmentally friendly.
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