Coinbase, Inc.

Paul Collier

Sahil Amoli

Bojan Joveski

Justin O'Brien

Vipul Patil

Maksim Stepanenko

Peter Jihoon Kim

Alexander Kern

Tyson Battistella

Rohith Varanasi

Andrew Gold

Kaiser Kim

Systems and methods for enabling auxiliary accounts and/or auxiliary devices to create and process cryptocurrency transactions on a behalf of a primary account while enforcing limited auxiliary entity access to the primary entity's overall transaction information. Cryptocurrency transactions may be point of sale charges. Some methods may include receiving a charge request from a payor system, determining a merchant cryptocurrency address for the charge request, providing the merchant cryptocurrency address to the payor system, generating a transaction that identifies the merchant cryptocurrency address, signing the transaction, broadcasting the transaction, storing the merchant cryptocurrency address in association with information, related to the charge request, detecting a blockchain transaction that identifies the merchant cryptocurrency address, and/or detecting at least one transaction confirmation for the detected blockchain transaction.

System and method for cryptocurrency point of sale

Systems and methods for performing consolidation of several cryptocurrency payments by using a non-custodial cryptocurrency platform. A consolidation address is generated at the non-custodial platform in response to a withdrawal request. The consolidation address is under direct ownership of a user. At least one unsigned consolidation transaction is generated that identifies at least one selected payment representation as input, and the generated consolidation address as an output. An unsigned destination transaction is also generated. The unsigned destination transaction identifies the generated consolidation address as an input and the withdrawal destination as an output. A signed version of each consolidation transaction and a signed version of the destination transaction are received from a signing enclave. The signing enclave is included in a client device of the user.

Systems and methods for withdrawal consolidation

A method for managing sensitive data, including: receiving an encryption key from a third party recovery agent; at a user agent executing on a user device, encrypting the sensitive data with the encryption key; and storing the encrypted sensitive data at a third party storage provider system. The method can optionally include, at the user agent: requesting the encryption key from the third party recovery agent using a set of recovery agent authentication credentials; requesting the encrypted sensitive data from the third party storage provider system using a set of storage provider authentication credentials; and decrypting the encrypted sensitive data using the encryption key.

System and method for secure sensitive data storage and recovery

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San Francisco, CA, United States of America

Paul Collier