Specter DIY DIY hardware wallet by the Specter team (Crypto Advance). Built on STM32 dev boards with attached displays. Hardware (DIY) - STM32F469-Discovery board ( $80). - Custom firmware via PlatformIO. - USB connection. Operation - Standard PSBT signing flow via Specter Desktop. - Single-coin (Bitcoin) signing. - Multisig coordination via Specter Desktop. Compared to other DIYs | Aspect | Specter DIY | SeedSigner | Krux | |--------|-------------|------------|------| | Hardware | STM32 dev board | Raspberry Pi | Sipeed M5StickV | | Cost | Mid ($80) | Low ($60) | Low ($50) | | Statelessness…