Patent ID: 11943346
Assignee: PAYPAL, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 15:
16. A computer system, comprising:
a processor; and
a non-transitory computer readable medium having stored thereon machine-readable instructions that are executable to cause the computer system to perform operations comprising:
accessing, by a first device, data contained on a first intermediary data storage device, wherein the first intermediary data storage device is a uniform resource locator, a one-way link, or a scanner, and wherein the first device is offline with respect to at least a second device;
accessing, by the first device, a first secret share generated based on a secret key;
partially signing, by the first device, the data using the first secret share; and
storing the partially signed data onto at least one of the first intermediary data storage device or a second intermediary data storage device, wherein the storing is performed while the first device is still offline with respect to the second device, wherein the second device is configured to generate further signed data based on the partially signed data, wherein the further signed data corresponds to a public key generated based on a plurality of secret shares including the first secret share and a second secret share.