pull down to refresh
0 sats \ 0 replies \ @Satochip_ OP 5h \ parent \ on: [DIY] Open-source Bitcoin signing device for less than 25 bucks bitcoin
Avoid Alibaba. It's a jungle.
Satochip sells blank javacard - but not necessarily the cheapest. At least it works well with the default keys. Also selling the SIM-card form factor for a very small form-factor hardware wallet.
Here are a few reliable javacard version: J3R180, J3R200...