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St. John's, Antigua and Barbuda

Nchain Holdings Limited

USPTO Granted Patents = 42

CIPO Patents = 4

EPO Patents = 55

Trademarks = 3

Forward Citations = 293

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14 inventors (with patents filed for the assignee):

Craig Steven Wright (29 out of 234 patents)

Stephane Savanah (24 out of 75 patents)

Silvia Bartolucci (2 out of 53 patents)

4. Daniel Joseph (2 out of 50 patents)

5. John Fletcher (2 out of 31 patents)

6. Gavin Allen (2 out of 13 patents)

7. Robert Scott MacGregor (2 out of 4 patents)

8. Milagrino Jose C Ong (2 out of 4 patents)

9. Patrick Motylinski (1 out of 58 patents)

10. Simone Madeo (1 out of 67 patents)

11. Alexandra Covaci (1 out of 31 patents)

12. Lorien Benjamin Gamaroff (1 out of 3 patents)

13. Angus James Farquharson Campbell Brown (1 out of 3 patents)

14. Ying Chan (1 out of 33 patents)

15. Pedro Jimenez-Delgado (1 out of 7 patents)

Core Competencies:

Smart Contracts

Blockchain

Cryptographic Keys

Digital Asset Verification

Secure Communication

Tokenisation

Consensus Mechanisms

Data Encryption

Transaction Methods

Cryptocurrency

Event-Lock Encryption

Network Security

42 patents: Sort by Forward Citations

1. 12712885 - SYSTEM FOR SIMPLIFYING EXECUTABLE INSTRUCTIONS FOR OPTIMISED VERIFIABLE COMPUTATION (2026-08-18),

2. 12712750 - SMART CONTRACTS (2026-08-18),

3. 12711473 - BLOCKCHAIN-IMPLEMENTED SYSTEM AND METHOD (2026-08-18),

4. 11563574 - Blockchain-implemented method and system (2023-01-24),

5. 11528127 - Computer-implemented system and method for highly secure, high speed encryption and transmission of data (2022-12-13),

6. 11488120 - Methods and systems for the efficient transfer of entities on a blockchain (2022-11-01),

7. 11483338 - Secure blockchain-based consensus (2022-10-25),

8. 11463260 - Blockchain-implemented control method and system for controlling an external process or system (2022-10-04),

9. 11455630 - Method for secure peer-to-peer communication on a blockchain (2022-09-27),

10. 11455378 - Method and system for securing computer software using a distributed hash table and a blockchain (2022-09-27),

11. 11451382 - Method and system for communicating a secret (2022-09-20),

12. 11431477 - Computer-implemented systems and methods for using a blockchain to perform an atomic swap (2022-08-30),

13. 11429956 - Computer-implemented systems and methods for authorising blockchain transactions with low-entropy passwords (2022-08-30),

14. 11416832 - Systems and methods for blockchain-dependent operation sets (2022-08-16),

15. 11410145 - Blockchain-implemented method for control and distribution of digital content (2022-08-09),

Company Overview

Nchain Holdings Limited is a technology company based in St. John's, Antigua and Barbuda, specializing in blockchain technology and its applications. The organization focuses on developing innovative solutions that enhance the utility and scalability of blockchain systems, particularly in the areas of digital currency and smart contracts. Nchain is dedicated to advancing the understanding and implementation of blockchain, contributing to various sectors by providing tools and frameworks that facilitate secure and efficient transactions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

42 Patents

#1 in St. John's

#1 in Antigua and Barbuda

#16,354 in the World

St. John's, Antigua and Barbuda

Nchain Holdings Limited

Forward Citations = 293

14 inventors:

Craig Steven Wright (29 out of 234 patents)

Stephane Savanah (24 out of 75 patents)

Silvia Bartolucci (2 out of 53 patents)

4. Daniel Joseph (2 out of 50 patents)

5. John Fletcher (2 out of 31 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Nchain Holdings Limited. Retrieved from https://idiyas.com/company/nchain-holdings

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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