{
  "id": 486504,
  "title": "Polyfills, Shims, and Native Modules: Lessons from Building a React Native Crypto Wallet",
  "url": "https://urgent.news/2026/08/10/polyfills-shims-and-native-modules-lessons-from-building-a-react",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-10T16:44:19.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/adilmezghouti/polyfills-shims-and-native-modules-lessons-from-building-a-react-native-crypto-wallet-4acc"
  },
  "original_language": "en",
  "account": null,
  "summary": "Preface: This article is about my experience building a crypto mobile wallet back in 2021. Intro Building a crypto wallet in React Native is a masterclass in edge-case architecture. Unlike standard mobile applications that simply fetch JSON from a REST API, a crypto wallet acts as an isolated cryptographic engine. It must generate entropy, derive keys, sign transactions, encode raw binary…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}