BNB Chain developers release opBNB mainnet to public
Quick Take
- The developers at BNB Chain have announced the public mainnet launch of opBNB.
- opBNB is a Layer 2 network in the BNB Chain ecosystem, developed using Optimism’s OP Stack.
The core development team at 
BNB
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Chain has announced the public mainnet launch of opBNB, a Layer 2 network aimed at scaling decentralized apps in the BNB Chain ecosystem.
The public mainnet launch of opBNB came after a comprehensive testing phase to ensure the network’s reliability, the team said.
opBNB has been developed using Optimism’s software package known as 
OP
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Stack. As a Layer 2 scaling solution, it’s designed to allow developers to deploy Ethereum 
ETH
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-compatible dapps on an off-chain layer, which are then secured by BNB Smart Chain (BSC) using optimistic rollup technology. The goal is to help increase transaction speed and reduce fees for dapps.
In June, the team first spun up the opBNB testnet, followed by a limited mainnet release in August when it opened to a select number of infrastructure providers. The final rollout concludes today with its public launch.
opBNB concludes testing phase
“Scalability and security remain the paramount priorities for opBNB. Before opening the mainnet to the general public, strict criteria were met,” commented Arno Bauer, senior solution architect at BNB Chain.
opBNB is part of the BNB Chain ecosystem that includes five distinct networks. These are the BNB Smart Chain (BSC), a Layer 1 blockchain compatible with EVM; Layer-2 solutions opBNB and zkBNB; the BNB Beacon Chain serving as the ecosystem’s staking and governance layer; and the data storage network BNB Greenfield.
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