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That is a new one for me! You might honestly be on to something here although I have zero evidence for or against your claim. Interesting thought though!

Look into this , HOW TO MAKE A MINT: THE
CRYPTOGRAPHY OF ANONYMOUS
ELECTRONIC CASH it's an NSA paper released in 1996, now personally I don't think the government is behind blockchain and cryptocurrency but they may have inspired a grassroots movement, because if they released something that will keep a record of everything it would give people 1984 vibes