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@ The Bitcoin Hole
2024-04-22 01:38:26Opinion about Coldcard Q (hardware)
Coldcard Q is the latest device from Coinkite, which is known for its focus on security and air-gapped operation. Its Bitcoin only mantra is also an appreciated value for bitcoiners. It has several improvements compared with the previous mk4 model.
Pros: - Privacy and supply chain security: PO box delivery support, payment with bitcoin in official store, tamper evident bag, and more - Lots of security features: different ways to protect the wallet with PIN, passphrase, etc - Lots of advanced features for the more expert users: testnet, secure elements, multisig, miniscript, user added entropy, etc - You can connect it with lots of software wallets, working as coordinators - The QR code scanner allows you sign transactions using QRs. - The bigger screen and qwerty keyboard are important usability improvements - The device is powered by 3x AAA batteries, which is very practical
Cons: - The source code is available but the anti selling clause in its license makes it not fully open source. - A bit complex for beginners
WalletScrutiny #nostrOpinion