The Blockstream Jade encrypts your wallet data on device - then forgets the secret needed to decrypt it! Many Bitcoin hardware wallets function similarly but use an on-device secure element to store the extra secret.
With Jade, your extra secret is off-device with a blind oracle, decentralizing your security and acting like a virtual secure element. The only way to get it back? Enter your correct PIN on Jade.
This makes the Jade unique in that there is nothing to steal from the locked device alone.
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Jade is true cold-storage and never connects to the internet. Instead your companion app mediates an encrypted channel to your blind oracle to help you retrieve the decryption key. You can even perform this communication fully air-gapped with QR codes.
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Your blind oracle never learns any about your wallet data or even your real PIN and all communication between Jade & the blind oracle is encrypted.
Run your own blind oracle, use Blockstream's, or use Jade without one by scanning a SeedQR 📷
Check out the blog to delve deeper into Jade tech and learn about the innovation in #Bitcoin self-custody that the Jade represents.
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