Otranto Founder and Director John Velissarios is the inventor of many blockchain and DLT (Distributed Ledger Technology) related technologies and processes. Here is a list of his notable blockchain and DLT patents:

• Blockchain Operation Stack For Rewritable Blockchain · US 11,461,245 B2 · Issued Oct 4, 2022
• Blockchain-Based Anonymized Cryptologic Voting · CN ZL 201980022265.2 · Issued Jul 15, 2022
• Cryptographic Datashare Control For Blockchain · US 11,297,043 B2 · Issued Apr 5, 2022
• Hardware Blockchain Acceleration · AU 2019203284 · Issued Oct 7, 2021
• Blockchain-Based Anonymised Cryptologic Voting · US 11,074,775 B2 · Issued Jul 27, 2021
• Cryptographic Datashare Control For Blockchain · AU 2019261730 · Issued Jun 3, 2021
• Selective Data Security Within Data Storage Layers · US 10,909,273 B2 · Issued Feb 2, 2021
• Hardware Blockchain Acceleration · US 10,742,395 B2 · Issued Aug 11, 2020
• Cryptographic Datashare Control For Blockchain · US 10,721,217 B2 · Issued Jul 21, 2020
• Blockchain-Based Anonymized Cryptologic Voting · US 10,504,314 B2 · Issued Dec 10, 2019
• Blockchain-Based Cryptologic Ballot Organization · US 10,445,965 B2 · Issued Oct 15, 2019
• Blockchain-Based Cryptologic Ballot Verification · US 10,388,097 B1 · Issued Aug 20, 2019
• Hardware Blockchain Acceleration · US 10,243,731 B2 · Issued Mar 26, 2019
• Selective Data Security Within Data Storage Layers · IT 15718-00210 · Issued Dec 1, 2017

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According to the World Intellectual Property Organization (WIPO), a patent provides a unique right for an invention, typically a new method or a technical solution to a problem. To obtain a patent, one must reveal the technical details of the invention in a patent application. The protection is granted for a limited period, generally 20 years from the application’s filing date.