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 JPMorgan, Mastercard make first cross-border US Treasury transfer via XRP Ledger Mai 7, 2026 Blockchain News Samsung SDS wins deal to build South Korea’s blockchain securities system: Report Mai 7, 2026 Blockchain News Telegram to become TON’s largest validator, Durov says Mai 5, 2026