Trustless Deterministic State Machine - nChain Licensing AG
Summary
The European Patent Office published patent application EP3631728A1 titled "Trustless Deterministic State Machine" filed by nChain Licensing AG. The application, published on 15 April 2026, covers cryptographic methods for trustless state machine replication with applications in blockchain and distributed ledger technology. The inventors are listed as CHAN, Ying and KRAMER, Dean. Designation extends to 36 European states including DE, FR, GB, IT, NL, ES, PL, SE, and others.
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GovPing monitors EPO Patent Bulletin - Networking (H04L) for new telecom & technology regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 55 changes logged to date.
What changed
The EPO published patent application EP3631728A1 for a trustless deterministic state machine system, assigned to nChain Licensing AG. The application covers distributed computing methods involving H04L 9/00 (cryptographic mechanisms), G06Q 20/06 and G06Q 20/36 (blockchain payment systems), G06F 21/64 (data integrity verification), and H04L 9/30 (public key certificates). The application is designated for validation in 36 European contracting and extension states.
Companies operating in blockchain, distributed ledger technology, or cryptocurrency infrastructure should review this publication to assess potential overlap with their own patent portfolios or licensing needs. The invention's focus on trustless deterministic state machines suggests applications in smart contract execution, consensus mechanisms, and digital asset management. Inventors and applicants in the cryptographic protocol space may wish to conduct freedom-to-operate analyses.
Archived snapshot
Apr 25, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
TRUSTLESS DETERMINISTIC STATE MACHINE
Publication EP3631728A1 Kind: A1 Apr 15, 2026
Applicants
nChain Licensing AG
Inventors
CHAN, Ying, KRAMER, Dean
IPC Classifications
H04L 9/00 20060101AFI20260306BHEP H04L 9/32 20060101ALI20260306BHEP G06Q 20/06 20120101ALI20260306BHEP G06F 21/64 20130101ALI20260306BHEP G06Q 20/36 20120101ALI20260306BHEP G06Q 20/38 20120101ALI20260306BHEP H04L 9/30 20060101ALI20260306BHEP
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
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