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0 sats \ 1 reply \ @cryptocoin OP 27 Mar 2022 \ parent \ on: 🎥 Demonstration of transferring data from NFC-equipped COLDCARD wallet MK4 to mobile | @econoalchemist bitcoin

A later post on SN shared the above Tweet as well.

Coldcard Mk4 - NFC demo
#16602
https://twitter.com/eh_deee/status/1507820692401709057

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0 sats \ 0 replies \ @247bf84fda 25 Aug 2025 freebie

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