Headline: DeFi firms Opyn, ZeroEx, Deridex face charges over illegal retail commodity offeringsLink: https://coingeek.com/defi-firms-opyn-zeroex-deridex-face-charges-over-illegal-re…Publication Date: Monday, September 11, 2023Primary Source: CoinGeekNon-Cato Author: James FieldType: new media postFormat: New MediaNature of Mention: mentionedScholar: CatoResearch Area: Education and Child PolicySubjects: smart contracts for DeFi operators