Greg Betz

Greg Betz

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Blockchain engineer and manager with over 10 years experience
Ohio, United States
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Full-time jobs

Timeline

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Job
school
Education

Résumé

Jobs verified_user 0% verified
  • Contractless
    Node Tester
    Contractless
    May 2026 - Current (6 months)
    Tested Contractless software to find bugs and help fix them by running a full node and demonstrating proficiency in Application Programming Interface (API) integration.
  • Astral Pioneers
    Founder and CEO
    Astral Pioneers
    Jan 2022 - Current (4 years 10 months)
    Job
  • Cache Wallet
    Blockchain Developer
    Cache Wallet
    Feb 2026 - Aug 2026 (7 months)
    Wrote Ethereum smart contracts with Solidity.
  • UM
    Chief Blockchain Officer
    UM
    May 2023 - Jan 2025 (1 year 9 months)
    Managed and led the blockchain department.
    Developed smart contracts using Solidity.
    Researched Post Quantum Cryptography and its application to blockchain technology.
    Developed a Layer-1 blockchain protocol.
  • Ethereum Foundation
    Technical Consultant
    Ethereum Foundation
    Jun 2016 - Sep 2016 (4 months)
    Consulted with the Ethereum team about solutions to the DAO hack because I had found the bug a day before the hack.
  • Consensys
    Technical Intern
    Consensys
    May 2016 - Sep 2016 (5 months)
    Developed and wrote smart contract software on the Ethereum platform using Solidity.
    Worked with lead Ethereum Core developers on solutions to protocol problems in the aftermath of the DAO breach.
    Helped to improve developer tools such as Truffle for smart contract development.
  • Plutusit
    Cryptoeconomist
    Plutusit
    Jan 2016 - Nov 2016 (11 months)
    Designed a smart contract on Ethereum using tokens for a Bitcoin debit card rebate.
    Wrote and edited a white paper detailing the system and its mathematical and theoretical basis.
    Maintained an Ethereum full node using AWS.
  • D
    Senior Blockchain Engineer
    Duality Blockchain Solutions LLC
    Dec 2015 - May 2018 (2 years 6 months)
    Managed the development team that maintained, designed, and improved two cryptocurrencies.
    Implemented a new type of proof-of-work using a memory hardened algorithm that only CPUs can mine.
    Performed research on new applications to blockchain technology.
  • Abercrombie Fitch Co
    Fraud Analyst
    Abercrombie Fitch Co
    Nov 2012 - Mar 2013 (5 months)
    Analyzed customer data associated with e-commerce transactions to identify fraud. Created and implemented security protocol upgrades as necessary. Updated company database with customer information used in fraudulent transactions.
Education verified_user 0% verified
  • The Ohio State University
    Bachelor of Arts - BA, Economics and Security & Intelligence
    The Ohio State University
    Jan 2007 - Jan 2012 (5 years 1 month)