R3 Holdco has been granted a patent for a system that enhances transaction privacy using trusted code within a secure enclave. The method involves validating and encrypting transactions, generating attestations as evidence of validity, and ensuring that untrusted code cannot access sensitive transaction details. GlobalData’s report on R3 Holdco gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on R3 Holdco, was a key innovation area identified from patents. R3 Holdco's grant share as of June 2024 was 38%. Grant share is based on the ratio of number of grants to total number of patents.
Privacy-preserving transaction validation system using secure enclaves
The patent US12003617B2 outlines a method and system for validating transactions within a secure computing environment, specifically utilizing a secure enclave. The secure enclave is a feature of a processing unit that stores trusted code in encrypted form, which is decrypted for execution using a private key from a public/private keypair. The method involves receiving a transaction, decrypting it, validating it, and generating an attestation that serves as evidence of the transaction's validity. This attestation, which includes a hash of the transaction, is signed with the private key and provided to untrusted code. This process ensures that the untrusted code cannot access the input state of the transaction, thereby maintaining its confidentiality.
Additionally, the patent describes a mechanism for validating transactions that depend on the output state of other transactions. The secure enclave can receive a signature of attestation from another secure enclave, which serves as evidence of the validity of the other transaction. The system coordinates with a notary to confirm whether the output state has been consumed and indicates the validity of the transaction based on the verification of the attestation signature and the state of the output. The computing system is designed to maintain a portion of a sealed distributed ledger, encrypt transactions for storage, and generate signatures of attestation to further enhance the security and integrity of the transaction validation process.
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