Coldcard
You hold the keys
Bitcoin-only hardware wallet built around air-gapped signing.
Directory
Hardware wallets
Devices that keep your keys off the internet. Every listing says what a company is good for and what to watch out for. Sponsors can buy placement here. They can never buy a rating, and the methodology page says so in writing.
Ledger
You hold the keys
French maker of hardware wallets that keep private keys on a dedicated device.
Trezor
You hold the keys
Czech hardware wallet maker; its firmware and hardware designs are open source.
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