Introduction to opBNB Network
opBNB is the Layer 2 scaling solution for BNB Smart Chain (BSC), designed to enhance transaction speed and reduce gas fees while maintaining compatibility with the Ethereum Virtual Machine (EVM). Below are the key technical specifications:
| Parameter | Details |
|---|---|
| Network Name | opBNB |
| Description | BNB Smart Chain's high-performance Layer 2 network |
| Chain ID | 5611 (Testnet), 204 (Mainnet) |
| Currency | tBNB (Testnet), BNB (Mainnet) |
| Block Explorers | opBNBScan Testnet, Mainnet Explorer |
Key Features
- EVM Compatibility: Seamless deployment of Ethereum-based smart contracts.
- Low-Cost Transactions: Optimized for micro-transactions and DeFi applications.
- Scalability: Processes thousands of transactions per second (TPS).
👉 Explore opBNB's advanced features for developers and users.
RPC Endpoints Guide
Public Testnet Endpoints
https://opbnb-testnet-rpc.bnbchain.org/- Supports WebSocket (WSS) connections.
https://opbnb-testnet.publicnode.com- Publicly available with rate limits.
Public Mainnet Endpoints
https://opbnb-mainnet-rpc.bnbchain.org- Official BNB Chain endpoint.
https://opbnb.publicnode.com- Community-managed alternative.
Private Endpoints (MegaNode)
For high-throughput applications, NodeReal provides dedicated RPC endpoints:
- Free Tier: Available via MegaNode Dashboard.
- Customization: Adjust rate limits and request priorities.
Frequently Asked Questions
What is opBNB's relationship with BSC?
opBNB operates as a Layer 2 rollup for BSC, bundling transactions to improve efficiency while inheriting BSC's security.
How do I bridge assets to opBNB?
Use the official bridges:
- Testnet: opBNB Testnet Bridge
- Mainnet: opBNB Mainnet Bridge
Why choose private RPC endpoints?
Private endpoints reduce latency and avoid public rate limits—ideal for dApps with heavy API usage.
👉 Optimize your opBNB experience with pro-tier tools and analytics.
Developer Resources
- Documentation: BNB Chain Docs
- Tutorials: Building dApps on opBNB (EVM tutorials apply).
- Support: Community forums and developer grants.
Note: All hyperlinks except specified OKX anchors have been removed per guidelines.
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2. BNB Smart Chain
3. Layer 2 network
4. RPC endpoints
5. Testnet vs Mainnet
6. EVM compatibility
7. Gas fees optimization
8. Blockchain scalability
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