← EPO Patent Bulletin

HIERARCHY-BASED BLOCKCHAIN

Publication EP4675968A2 Kind: A2 Mar 18, 2026

Applicants

Citibank, N.A.

Inventors

MARSH, Ryan

IPC Classifications

G06Q 40/04 20120101AFI20260212BHEP G06Q 20/16 20120101ALI20260212BHEP G06Q 20/38 20120101ALI20260212BHEP G06Q 20/40 20120101ALI20260212BHEP H04L 9/32 20060101ALI20260212BHEP H04L 9/00 20220101ALI20260212BHEP G06F 21/64 20130101ALI20260212BHEP

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, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR