j"19HxigV4QyBv3tHpQVcUEQyq1pzZVdoAutLúTHE CRYPTOGRAPHY OF ANONYMOUS ELECTRONIC CASH"
Laurie Law, Susan Sabett,
National Security Agency Office of Information Security Research and Technology
18 June 1996
http://groups.csail.mit.edu/mac/classes/6.805/articles/money/nsamint/nsamint.htm
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BITCOIN_ECDSA"1AKHViYgBGbmxi8qiJkNvoHNeDu9m3MfPE##computed_sig##
https://whatsonchain.com/tx/f4f00a56bdd9ac31f8b7c46f7ffcef7733cc0eb62fdeb28a3e3c0cf86dcf509e