BNB Chain launched opBNB mainnet. opBNB is an Ethereum Virtual Machine (EVM) compatible Layer 2 network based on the Optimism OP stack. More than 150 projects intend to use opBNB. Gas is only 0.2 gwei, and the transaction price is about $0.005 per transfer. https://www.bnbchain.org/en/blog/opbnb-mainnet-is-live/
