Contact William first to check time availability before buying.

Experienced product architect, advisor, developer advocate and strategy consultant for blockchain projects.

SERIOUS INQUIRIES ONLY.

I assist clients to review white papers, build teams, perform code review & auditing, and get to market, in that order.

I am seeking clients that are established enterprise businesses or innovative growth startups with appetite and resources to make the world better with verifiable and secure products.

NOTABLE ACHIEVEMENTS:

• Lead author of ERC-721, the Ethereum non-fungible token standard
• Independent contractor to EY LLP, Global Innovation Blockchain R&D, Feb–Dec 2019, on the token design behind Nightfall
• Hands-on developer workshops in the US, Hong Kong, Singapore, China, Slovenia, Argentina, and Estonia, in English and Mandarin
• Contributor to Solidity; GitHub Sponsors support from the Ethereum Foundation and Microsoft
• 100+ episodes of product and industry review

ENGAGEMENT MODEL

• Bring your white paper and review feasibility
• Prepare your project pitch for internal sale/private investors
• Benchmark your product plan against other market offerings
• Review implementation, audit contracts, deliver attestation document
• Fight to get and onboard your first customers