# BNB Chain launched opBNB mainnet.


By [tyleroakley.eth](https://paragraph.com/@tyleroakley) · 2023-09-18

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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/](https://www.bnbchain.org/en/blog/opbnb-mainnet-is-live/)

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*Originally published on [tyleroakley.eth](https://paragraph.com/@tyleroakley/bnb-chain-launched-opbnb-mainnet)*