Jim Rickards alarmist. Is there any truth to IMP replacing US Dollar as global currently with Distributed Ledgers or block chain?

If so, I would imagine huge implications. Here is the pitch: https://pro.agorafinancial.com/p/awn_sdrblockchainv2_0418/MAWNU904/Full?a=10&o=36838&s=74950&u=1008055&l=670821&r=MC2&vid=lJTEu_&g=0&h=true
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