Cryptoasset custodial system with different rules governing access to logically separated cryptoassets and proof-of-stake blockchain support
US11095446B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2019 |
| Grant date | Aug 17, 2021 |
| Priority date | — |
| Expiry date | Aug 19, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Methods, and systems for secure storage and retrieval of information, such as private keys, useable to control access to a blockchain, include: receiving a request to take an action with respect to a vault of multiple different vaults in a cryptoasset custodial system, and each of the multiple different vaults has an associated policy map that defines vault control rules;authenticating, by a hardware security module, a policy map for the vault on which the action is requested based on a cryptographic key controlled by the hardware security module; checking the action against the policy map for the vault when the policy map for the vault is authenticated based on the cryptographic key controlled by the hardware security module; and effecting the action when the action is confirmed to be in accordance with the policy map for the vault.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.