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0 sats \ 1 reply \ @nullama 6 Feb \ on: [DIY] Open-source Bitcoin signing device for less than 25 bucks bitcoin
Interesting!
Would this work for example with the BoltCard?, it has an NXP NTAG 424 DNA chip.
I mention this because it's much cheaper at £4.99 compared to €25,00 per Satochip
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0 sats \ 0 replies \ @anon 11 Feb
I don't think so... BoltCard is just a "dumb" card. The Sato one has all the cryptographic librairy needed to derive keys and sign txs.
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