Blockchain News Polygon’s new open-source L2 chain developer stack to support Ethereum ZK-powered layer 2s September 2, 2023 Polygon’s Chain Development Kit allows developers to freely build, customize and deploy layer 2 chains connected to the wider Ethereum ecosystem. Post Navigation Previous Brazilian crypto streamer loses money by accidentally exposing private keyNext Bitwise withdraws Bitcoin and Ether Market Cap ETF application More Stories Blockchain News Cronos halts network after Tectonic exploit involving estimated $75M August 31, 2026 Blockchain News Japan weighs blockchain fast lane for securities cash settlement August 26, 2026 Blockchain News US state banking groups plan nationwide blockchain network for 2027 August 26, 2026