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About

      
Signed, Sealed, Delivered — 

      
Certificate-grade document signing and verification. Sign documents with your passkey, share your public key card, and verify that a document has not been altered since it was signed.

      
All cryptography runs in your browser using the WebCrypto API. Nothing sensitive ever leaves this device. No server. No account. No cloud.

      
© IDLTD

    

  


  
  

    
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