Seedsigner
SeedSigner is a stateless, air-gapped signing device running open-source software that can be built with off-the-shelf hardware or purchased pre-built. The device securely creates Bitcoin private keys, sets up Bitcoin wallets, and signs Bitcoin transactions via QR codes.
Features:
Bech32
Hardware Wallet
Legacy Addresses
Multisig
SegWit
Good
Acceptable
Caution
Not applicable
Control over your money
This wallet gives you full control over your bitcoins. This means no third party can freeze or lose your funds. You are however still responsible for securing and backing up your wallet.
Variable validation
Payment validation features are provided by the software wallet you use with this device.
Complete transparency
The source code for this wallet is public and the build process is deterministic. This means any developer in the world can audit the code and make sure the final software isn't hiding any secrets.
User sourced environment
This wallet is loaded on a device sourced by the user. This can provide reasonable protection against malware as long as you source your hardware correctly and secure it sufficiently.
Variable privacy
Privacy features are provided by the software wallet you use with this device.
Variable fee control
Fee control features are provided by the software wallet you use with this device.
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Control
Validation
Transparency
Environment
Privacy
Fees
Good
Acceptable
Caution
Not applicable