Can We Build a Time-Decaying P2P Currency Without Blockchain? A Serverless PoC Using MultipeerConnectivity & Face ID(Translated from Qiita's article )
--- title: "Can We Build a Time-Decaying P2P Currency Without Blockchain? A Serverless PoC Using MultipeerConnectivity & Face ID" tags: Swift, SwiftUI, iOS, P2P, IndieDev author: KouheiTakagi slide: false --- https://qiita.com/KouheiTakagi/items/aa8db0f299e31f6b2179 ## Introduction What happens if we implement a **"currency whose value evaporates over time"** using **only standard iOS / macOS frameworks (SwiftUI)—with zero blockchains and zero central servers?** As a thought experiment and technical proof-of-concept (PoC), I built and open-sourced **"Dew"**, a peer-to-peer (P2P), time-decaying local currency protocol that springs forth every morning via biometric authentication and gradually disappears if hoarded. 🔗 **GitHub Repository:** [Kouhei-Takagi/Dew](https://github.com/Kouhei-Takagi/Dew)[cite: 2, 4]  ### 💧 Three Core Features of Dew 1. **🌱 Proof of Humanit...