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I meant that in 1971 Nixon took USA off of the gold standard. He made the US dollar a fiat currency that is unanchored. Pegging it to the blockchain would be a great move for future financial stability.

It was not a "gold standard" - Nixon removed the redeeming rights that the USD had before 1971 due to other countries trying to redeem their USD for gold that the USA did not have, as promised -he reneged to the world because USA was the power - bully.