The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 18, 2025
Filed:
Sep. 21, 2021
International Business Machines Corporation, Armonk, NY (US);
Takuya Nakaike, Yokohama, JP;
Moriyoshi Ohara, Yokohama, JP;
Christopher S. Smith, Boeblingen, DE;
Angel Nunez Mencias, Stuttgart, DE;
Peter James De Meo, Singapore, SG;
International Business Machines Corporation, Armonk, NY (US);
Abstract
An example operation may include one or more of storing one or more public keys of one or more policy services, receiving, via a signing service, a blockchain transaction that has content that has been verified by a policy service and includes a signature created by a private key of the policy service, verifying, via a hardware security module (HSM), the signature of the policy service based on a public key of the policy service from among the one or more public keys, and in response to a verification of the signature of the policy service, signing, via the HSM, the blockchain transaction using a wallet key of a user of the blockchain transaction.