Greg Betz

Blockchain Engineer @ Cache Wallet

About

Blockchain Architect with experience in distributed ledger design, analysis, and development. I am well versed in blockchain concepts such as cryptography, smart contracts, p2p networks. I have experience with Ethereum and Bitcoin. I possess a Bachelors degree in Economics and in Security and Intelligence.

Country

United States

City

Columbus

Industry

Information Technology & Services

Skill

Smart Contracts, Ethereum, Data Analysis, C++, Solidity, Blockchain, Encryption

Experience

Blockchain Engineer

Cache Wallet

2026-2 - Present · 8 mos

Remote

Smart contract engineering on Ethereum using Solidity.

Chief Executive Officer

Astral Pioneers

2022-1 - Present · 4 yrs 9 mos

Earth

Chief Blockchain Officer

3UM

2023-5 - 2025-10 · 2 yrs 6 mos

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.

Blockchain Advisor

dFund

2021-1 - 2022-2 · 1 yr 2 mos

Advised the company on all things blockchain.

Senior Blockchain Engineer

Duality Blockchain Solutions LLC

2015-12 - 2020-1 · 4 yrs 2 mos

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.

Cryptoeconomist

Plutus

2016-1 - 2016-11 · 11 mos

London, United Kingdom

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.

Technical Consultant

Ethereum Foundation

2016-6 - 2016-9 · 4 mos

New York City Metropolitan Area

Consulted with the Ethereum team about solutions to the DAO hack because I had found the bug a day before the hack.

Technical Intern

Consensys

2016-5 - 2016-9 · 5 mos

Greater New York City Area

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.

Fraud Analyst

Abercrombie & Fitch Co.

2012-11 - 2016-3 · 3 yrs 5 mos

New Albany, Ohio, United States

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.