XMR Open Hardware Wallet, Kastelo
summary
Kastelo hardware shows a manufactured PCB and an enclosure in plastics engineering but lacks the fully featured firmware needed for a working device, so the unit can display a QR and mnemonic words during demos but cannot yet sign transactions. The open design is fully published, collaboration is ongoing, and funding covers the injection molding tool funded and plastics. Development happens with 44 contributors though most are passive, and current hardware is PCB one of two variants.
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