Hkchain documentation
Hkchain is a compliant payment Layer-1 for HKD stablecoins: identity, Travel Rule, sanctions screening and proof of reserve are enforced by the chain itself rather than by each issuer's contract. Start with Learn for the system, or Developers to integrate against a network.
What Hkchain is, how it is built, and how compliance is enforced at the chain layer. Read top to bottom for a complete picture of the system.
Multi-actor walkthroughs of complete business flows — who signs what, which gates run, and what each party can verify afterwards.
Protocol workflows, one scenario per page: the on-chain steps, the off-chain steps, the compliance touchpoints, and the boundary conditions. These describe chain behaviour rather than client code — for code, see Developers.
Connect to a network, read chain state, and submit transactions that clear the compliance gates.
Hkchain's own query services, transaction messages, typed events, and the extended ERC-20 precompile — plus where the inherited Cosmos SDK, CometBFT and Ethereum APIs are documented.
The external constraints the chain is built against, and clearly labelled forward-looking material that is not part of the shipped system.