← EPO Patent Bulletin

INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, SERVER, BLOCKCHAIN NODE, AND PROGRAM

Publication EP4502991A1 Kind: A1 Mar 18, 2026

Applicants

Chaintope Inc.

Inventors

AZUCHI, Shigeyuki, SHODA, Hideki, MURAKAMI, Teruaki, TANAKA, Takanori

IPC Classifications

H04L 9/00 20220101AFI20260210BHEP G09C 1/00 20060101ALI20260210BHEP G06Q 50/04 20120101ALI20260210BHEP H04L 9/32 20060101ALI20260210BHEP G06Q 10/00 20230101ALI20260210BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR