XRP Best Performer 2021 &amp; Ripple Chairman on Elon Musk/ Bitcoin/ Dogecoin

How we Built a Better Bitcoin, by Chris Larsen, Chairman Ripple 
Proof of Work systems are just not necessary

See this post by 
https://t.co/bwh0l5yNm7 💘 on Google: https://t.co/1ixql3pFIw
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