(19)

(11)

EP 4 825 034 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24817340.3 (22) Date of filing: 02.12.2024

(51) International Patent Classification (IPC):  H04L 67/12(2022.01) H04L 69/18(2022.01) H04L 69/14(2022.01) (52) Cooperative Patent Classification (CPC): H04L 69/14; H04L 69/18; H04L 67/12 (86) International application number: PCT/EP2024/084256 (87) International publication number: WO 2025/124955 (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: 11.12.2023 US 202318536203 (71) Applicant: FNV IP B.V. 2631 RT Nootdorp (NL)	(72) Inventors: HOWARD, Edwin Martin 2631 RT Nootdorp (NL) STELLY, Christopher Ray 2631 RT Nootdorp (NL) ROBIDEAUX, John Darius 2631 RT Nootdorp (NL) BLANCHARD, Michael Joseph 2631 RT Nootdorp (NL) (74) Representative: FNV Intellectual Property  Prismastraat 3 2631 RT Nootdorp 2631 RT Nootdorp (NL)