Earlier quoted context omitted.
OK (and thanks)...so how should I interpret this? As in, how is it possible to decrypt an encrypted signature, and what does that mean for the security of cryptocurrency?
Unless I'm grossly mistaken, it seems Shkreli doesn't understand the basics of cryptography because he's using incorrect terminology here. The signature isn't encrypted at all, it's just a piece of data (a hash, if you will) that was generated using the private key associated with the wallet in question. In order to generate the signature, you need to have a message to sign, and a private key. All Shkreli has shown i…
for example:
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public:
1HZwkjkeaoZfTSaJxDw6aKkxp45agDiEzN
message: hackernews