US 12,229,097 B2
Electronic device and control method thereof
Junbum Shin, Suwon-si (KR); and Jihoon Park, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Sep. 16, 2022, as Appl. No. 17/946,599.
Application 17/946,599 is a continuation of application No. PCT/KR2021/000193, filed on Jan. 7, 2021.
Claims priority of application No. 10-2020-0032419 (KR), filed on Mar. 17, 2020.
Prior Publication US 2023/0012779 A1, Jan. 19, 2023
Int. Cl. H04L 9/32 (2006.01); G06F 16/22 (2019.01); G06F 16/23 (2019.01); H04L 9/00 (2022.01)
CPC G06F 16/2228 (2019.01) [G06F 16/2365 (2019.01); G06F 16/2379 (2019.01); H04L 9/50 (2022.05)] 15 Claims
OG exemplary drawing
 
1. An electronic device, comprising:
a communication interface;
a memory configured to store at least one instruction and store a plurality of pieces of transaction information and a plurality of index values corresponding to the plurality of pieces of transaction information; and
at least one processor configured to be connected to the memory to control the electronic device,
wherein the at least one processor is configured to execute the at least one instruction to:
compare an index value included in a delete request with the plurality of index values stored in the memory when the delete request including the index value corresponding to the transaction information is received,
delete the transaction information corresponding to the index value included in the delete request from the memory based on the comparison result,
generate verification data corresponding to the deletion of the transaction information, and
control the communication interface to transmit the generated verification data to an external server included in a blockchain network.