Last June, a sailing buddy (and aerospace engineer) asked if I could check out a family friend’s “bitcoin.” He forwarded me an image of a plastic bitcoin wallet held with a private key partially obscured. The family friend had received the card as some sort of “gimmick at a conference” and tossed it in a drawer.
This is one of those moments where I find imposter syndrome perched on my shoulder, nodding its head, lips pursed. Two years in the business preceded by another two monkeying around in my personal account didn’t give me nearly enough crypto cred to say, “Oh, yeah, wow. I remember these.” Fine, I’m a noob. I made a no-promises disclaimer and quickly changed the subject.
Back home, I opened the image and set to work with the solemn determination of Quincy, M.E. (although forensic examination is an inapt metaphor, given the complete absence of foul play). How did these ancient wallets work? If the private key is printed on the card, how is that secure? I knew BIP
We współpracy z: https://www.coindesk.com/coindesk-indices/2025/01/15/still-learning-after-all-these-years
