US 2023/0421397 A1Published application

Systems and methods for performing blockchain operations using multi-party computation cohort management groupings

AssigneeCoinbase, Inc.

InventorsLuis OCEGUEDA, Cassandra Alexandria HEART, Anika RAGHUVANSHI, Adam C. EVERSPAUGH, Jonathan Ariel BERGKNOFF, Michael LODDER, Paras SHAH, Xiang LI

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Abstract

Methods and systems described herein relate to an improved platform that provides secure, encrypted communications across distributed computer networks when coordinating cryptography-based digital repositories in order to perform blockchain operations in decentralized applications. More specifically, the methods and systems provide this improved platform by introducing additional abstraction layers into a production service for computing signatures during multi-party computation (MPC) signing procedures.

Claims20

Dependent claims

A system for performing blockchain operations across distributed computer networks using cohort management groupings for multi-party computations, the system comprising:

a cryptography-based, storage application, wherein the cryptography-based, storage application corresponds to a plurality of private keys;
a plurality of user devices, wherein each of the user devices corresponds to one of the plurality of private keys;
and
a remote coordination server comprising an application programming interface (API) configured to:
in response to receiving a first user request, determine a first cohort group for a first user account, wherein the first cohort group comprises the plurality of user devices authorized to contribute to a digital signing ceremony featuring a multi-party computation (MPC) signing procedure for conducting a plurality of blockchain operations corresponding to a cryptography-based, storage application for the first user account, and wherein the first tier of the digital signing ceremony, and wherein the first cohort group comprises a first signing policy;
transmit a first query to the plurality of user devices in the first cohort group;
receive a communication from one or more of the user devices in the plurality of user devices;
determine that the communication indicates that the first signing policy has been met;
retrieve a second signing policy;
perform the blockchain operation in response to determining that the second signing policy has been met.

7 more elements

A method for performing blockchain operations across distributed computer networks using cohort management groupings for multi-party computations, the method comprising:

receiving, at a remote coordination server, a first user request to perform a blockchain operation with a first user account;
in response to receiving the first user request, determining, at the remote coordination server, a first cohort group for the first user account, wherein the first cohort group comprises a plurality of user devices authorized to contribute to a digital signing ceremony featuring a multi-party computation (MPC) signing procedure for conducting a plurality of blockchain operations corresponding to a cryptography-based, storage application for the first user account, and wherein the first cohort group comprises a first signing policy;
transmitting, at the remote coordination server, a first query to the plurality of user devices in the first cohort group;
receiving, at the remote coordination server, a communication from one or more of the user devices in the plurality of user devices;
determining that the communication indicates that the first signing policy has been met;
retrieving a second signing policy;
performing the blockchain operation in response to determining that the second signing policy has been met.

4 more elements

A non-transitory, computer-readable medium comprising instructions that when executed on one or more processors causes operations comprising:

receiving, at a remote coordination server, a first user request to perform a blockchain operation with a first user account;
in response to receiving the first user request, determining, at the remote coordination server, a first cohort group for the first user account, wherein the first cohort group comprises a plurality of user devices authorized to contribute to a digital signing ceremony featuring a multi-party computation (MPC) signing procedure for conducting a plurality of blockchain operations corresponding to a cryptography-based, storage application for the first user account, and wherein the first cohort group comprises a first signing policy;
transmitting, at the remote coordination server, a first query to the plurality of user devices in the first cohort group;
receiving, at the remote coordination server, a communication from one or more of the user devices in the plurality of user devices;
determining that the communication indicates that the first signing policy has been met;
retrieving a second signing policy;
performing the blockchain operation in response to determining that the second signing policy has been met.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 17/849,573Filed 24 Jun 2022
Published: 28 Dec 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

H04L 9/50
Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols: using hash chains, e.g.…
H04L 9/0825
Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely…: using…
H04L 9/085
Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for…:…
H04L 9/14
Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols: using a plurality of keys…

Family

US 12,244,743 B2Related patent
US 2023/0421397 A1This patent

From the US filing history. Foreign family members aren’t listed.

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