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Building ZK Poker: Four Petri Nets and a Branchless Circuit
A technical deep dive into heads-up hold'em at stackedup.gg — how four cooperating Petri nets replace imperative game logic, a commit-reveal protocol ensures fair shuffles, and a branchless Groth16 circuit proves hand strength without revealing cards.
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ZK Polls: Voting as a Visible State Machine
Anonymous voting where anyone can see the rules — built from a diagram with four circles and three arrows.
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Bitwrap: Petri Nets as ZK Containers
From OP_RETURN in 2014 to zero-knowledge Petri nets in 2026 — how bitwrap.io became the capstone for a decade of work on formal state machines, cryptographic proofs, and executable specifications.
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Zero-Knowledge Proofs for Petri Nets
How gnark circuits prove that a Petri net transition is valid without revealing the state—MiMC hashing, topology-based constraints, and Groth16 proofs.