Let's talk about Wei Dai.
Wei Dai originally created Crypto++, an open-source C++ cryptography library. Its first version was released in 1995.
One thing that's easy to overlook: b-money envisioned a ledger maintained jointly by multiple pseudonymous participants, with new money generated by solving computational puzzles. Similar ideas can later be seen in Bitcoin.
Following the references backward when reading the Bitcoin white paper can help you better understand which earlier research Bitcoin drew on.
$BTC 's white paper cites Wei Dai's b-money as its very first reference.

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