A programmable
Swiss franc.
Open source and permissionless: verified contracts on eight chains, a public API with no key, and an indexer you can run yourself.
curl https://api.frankencoin.com/ecosystem/frankencoin/info Returns ZCHF supply per chain, collateral and the equity reserve as JSON. No key, no wallet.
Tools
Smart contracts
Frankencoin, MintingHub, Savings, Equity (FPS) and FCS in Solidity. Audited and verified on every chain.
Contracts repo →REST API
Positions, prices, challenges, savings and analytics as JSON, with Swagger docs.
api.frankencoin.com →Indexer (Ponder)
The event index behind the API and the app. Self-host it for your own queries.
ponder repo →MCP server
Gives an AI agent read access to protocol state and positions.
frankencoin-mcp →npm packages
@frankencoin/zchf (ABIs and addresses) and @frankencoin/api (typed client).
On npm →Association-maintained app
The app at app.frankencoin.com, maintained by the Frankencoin Association, MIT licensed. Fork it or reuse components.
frankencoin-dapp →Token addresses
ZCHF, FCS, FPS and svZCHF contract addresses on every chain.
Token info →Grants and security
- The association funds integrations, tooling and research through grants. Grant proposals →
- Found a vulnerability? Report it through the bug bounty run by Compass Security. Security and bug bounty →