Joey Yi Zhao · Software Engineer & Tech Lead

Name: Zero-Knowledge Proofs Handbook
Author: Joey Yi Zhao

Software engineer and tech lead in Melbourne, Australia. Currently Tech Lead at Zeller — building serverless payments infrastructure on AWS with TypeScript and Go. Focus areas: event sourcing, CQRS, GraphQL, DynamoDB, and distributed systems at scale.

Author of Zero-Knowledge Proofs Handbook: A Rigorous, Worked-Example Guide to SNARKs and STARKs (2026) and Inside Stable Diffusion: The Same Idea, Worn a Hundred Ways (2026).

Find me on GitHub, LinkedIn, and Medium.

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