(19)
(11) EP 4 824 995 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24904610.3

(22) Date of filing: 14.11.2024
(51) International Patent Classification (IPC): 
H04L 9/32(2006.01)
(52) Cooperative Patent Classification (CPC):
H04L 9/3213; H04L 9/50; H04L 9/3239
(86) International application number:
PCT/US2024/055867
(87) International publication number:
WO 2025/128271 (19.06.2025 Gazette 2025/25)
(84) Designated Contracting 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
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 12.12.2023 US 202318537060

(71) Applicant: Citigroup Technology, Inc.
New York, NJ 10013 (US)

(72) Inventors:
  • TAWARE, Suvarna Prashant
    Pune, Maharashtra 411014 (IN)
  • SHEWANI, Kamlesh Kumar
    Pune, Maharashtra 411014 (IN)
  • KOTHARI, Gaurav Santosh
    Pune, Maharashtra 411014 (IN)

(74) Representative: Richly & Ritschel Patentanwälte PartG mbB 
Sattlerweg 20
51429 Bergisch Gladbach
51429 Bergisch Gladbach (DE)

   


(54) VALIDATION OF ELECTRONIC DOCUMENT USING DISTRIBUTED LEDGERS