Line Plus Corporation

Hongsup So

Cheol Ung Lee

Inseon Ryu

Hwang Wook Kim

Hojin Jang

Jeehong Lee

Chul-soon Choi

Hong Kyu Lee

Eunho Chang

Payment methods and systems for processing a payment using a Central Bank Digital Currency (CBDC) without a double payment in an offline situation (e.g., in a situation in which a terminal of a user is unable to be connected) to a server through a network may be provided.

Method and system for payment for central bank digital currency

A transaction processing system may include: a plurality of leaf chains including a first leaf chain and a second leaf chain, the first leaf chain and the second leaf chain including a first leaf chain manager contract and a second leaf chain manager contract, respectively; a root chain comprising a root chain manager contract for the root chain, a first leaf chain contract for the first leaf chain, and a second leaf chain contract for the second leaf chain; and at least one relayer located between the root chain and the plurality of leaf chains, and configured to process a remittance request from the first leaf chain to the second leaf chain.

Transaction processing system and method enabling expansion of blockchain

Growing community of inventors

Seongnam-si, South Korea

Hongsup So