If for any reason the PKSA fails to process the transaction request, it can inform the HAS with the following message:


    cmd: "sign_err",
    uuid: string,
    error: string
    pok: string
  • uuid: the transaction request identifier

  • error: an error message encrypted with the auth_key

  • pok: the uuid encrypted using the account private key and the HAS server public key (see Proof of Key)

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