~C4Chaos Retweeted Ryan X. Charles
not a problem with #PoS #DPoS and $IOTA #Tangle 

#Bitcoin #PoW #StoreOfDramahttps://twitter.com/ryanxcharles/status/1062807670585872384 …
~C4Chaos added,
Ryan X. CharlesVerified account @ryanxcharles
Not an attack: Mining the original protocol and preventing double spends.
An attack: Bitcoin is world money. Russian Govt accumulates 75% of mining power and double spends txs to the US. US Govt must rapidly accumulate mining power to defend or risk substantial economic impact.
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