BNB Chain Releases Layer 2 Testnet Based on Optimism's OP Stack - Developers expect the opBNB blockchain to reach speeds of 4,000 transactions per second a... - https://www.coindesk.com/tech/2023/06/19/bnb-chain-releases-layer-2-testnet-based-on-optimism-op-stack/?utm_medium=referral&utm_source=rss&utm_campaign=headlines #technology #blockchain #bnbchain #news