# Frankencoin audit contest Code4rena · CHF stablecoin · 12th April 2023 · #66 A public audit contest on Code4rena (CHF stablecoin), completed on 12th April 2023. 0xSimao placed #66. His findings from it are not published individually. ## What Frankencoin is Frankencoin is an oracle-free, collateralised Swiss-franc stablecoin (ZCHF): anyone can propose a position minting ZCHF against any collateral, the community can veto or challenge it, and auctions, not price feeds, decide whether a challenged position is sound. The whole risk process is a market rather than a whitelist. ## Scope The Frankencoin system: ZCHF, positions and their challenges, the auction mechanism and the equity reserve. ## The contest [View the contest page](https://code4rena.com/audits/2023-04-frankencoin)