theme:
opBNB: Unlocking the unlimited potential of BNB chain scalability
channel
BNB Chain Chinese Community
Moderator: Zhizhi
Shared by: BNB Chain Senior Engineer
Foreword:
After the opBNB news was released on June 19, it immediately aroused heated discussions in the currency circle. However, many people must be looking forward to what impact opBNB can bring to BNB. I hope that through tonight’s AMA, everyone will have a deeper understanding of opBNB and continue to witness the vigorous development of the BNB chain.
Moderator: Next, let us reveal the mystery of opBNB.
This AMA is divided into three sessions:
1) The guests answer the questions raised by the host. Please keep quiet during this session and focus on what the guests are sharing. We will also temporarily close the community’s speech channel;
2) Guests answered questions raised by the community and thanked everyone for filling in the community form;
3) Free question session. Everyone can express their opinions, and the guests will answer them one by one.
Moderator: Please explain to us the principle of opBNB?
The principle of opBNB is to use Optimistic Rollups technology to transfer transaction calculation and state storage to the second-layer network, and only publish transaction data to the chain, thereby reducing the burden on the main chain, improving scalability and reducing transaction costs.
Moderator: Why does BNB Chain build a second-tier network based on BSC?
This is because BNB Chain faces scalability challenges and requires a Layer 2 network compatible with the Ethereum Virtual Machine (EVM) to alleviate network congestion and reduce gas costs. opBNB introduces performance and process enhancements for block production and data access based on OP Stack, which can further enhance the scalability of BNB Smart Chain while maintaining affordability and security.
Moderator: What can opBNB bring to users/projects?
Higher throughput and lower transaction costs improve user experience and project operation efficiency; EVM compatibility simplifies user migration from BSC to Layer 2 networks and reduces network congestion; for future development, use the power of opBNB and a flexible framework to adapt to changes, add new features, and experiment with innovative ideas; a rich ecosystem of integrations to interact with a variety of other projects and tokens, including BNB, USDT, and other future ERC 20 tokens supported by opBNB.
Moderator: What is opBNB’s development plan?
opBNB’s development plan is to launch the testnet on June 19, 2023, and invite testnet validators and dApp builders to try the testnet and provide feedback. The opBNB team will also continue to contribute to the OP Stack to support the expansion of Layer 2 solutions. opBNB aims to create an efficient, scalable and sustainable blockchain ecosystem and works with developers and projects to realize this vision.
Moderator: After opBNB comes out, what changes will happen to BNB Chain?
The scalability of BNB Chain will be greatly improved, able to support more high-frequency transactions and large-capacity applications; the Gas fee of BNB Chain will be significantly reduced, making blockchain technology more popular and accessible; the ecosystem of BNB Chain It will be more diverse and interoperable with various ERC 20 tokens and applications on opBNB.
Moderator: What empowerment will opBNB have?
Leveraging Optimistic Rollups technology provides BNB Chain with an efficient and cost-effective blockchain environment that promotes growth and innovation in a variety of applications, from gaming dApps to social networks. opBNB also gives users and projects better user experience and project operation efficiency, allowing them to enjoy faster and cheaper transactions, as well as a more secure and trustworthy network. The empowerment of opBNB is to realize BNB Chain’s mission, which is to bring the power of blockchain to everyone while embracing and promoting innovation.
Moderator: What significance do you think opBNB has to the development of the BNB Chain ecosystem? What do you think are the biggest advantages and challenges of opBNB?
I think opBNB is of great significance to the development of the BNB Chain ecosystem, because it can provide an efficient and cost-effective Layer 2 network for BNB Chain, solving the scalability and Gas cost problems faced by BNB Chain, and at the same time Maintain compatibility and interoperability with Ethereum. The biggest advantage of opBNB is that it is based on OP Stack, which can make full use of the modular design in the Layer 2 field, while working closely with the ecosystem and community of BNB Chain. The biggest challenge for opBNB is how to achieve an efficient and flexible Layer 2 network while ensuring security and reliability, and how to attract and retain more developers and users.
Moderator: What expectations or suggestions do you have for the future development of opBNB? What features or goals do you hope opBNB can achieve?
I hope opBNB can successfully launch testnet and mainnet and be able to support more dApps and ERC 20 tokens. I also hope that opBNB can continue to optimize and innovate to adapt to the changing blockchain environment and user needs. I hope opBNB can achieve the following functions or goals: provide faster and cheaper transaction confirmation; provide a friendlier and simpler user interface and experience; provide more tools and resources to help developers build and deploy dApps; provide more Multiple incentive mechanisms and community activities to reward and encourage developers and users; provide more cooperation opportunities and platforms to interact with other projects and networks.
Moderator: How do you view the competition or cooperation between opBNB and other Layer 2 networks? What unique value or contribution do you think opBNB has in the Layer 2 field?
We are working with other second-tier networks to reduce user transaction fees and allow more users to start using blockchain technology. Competition occurs because Layer 2 networks are competing for limited developer and user resources while constantly comparing their performance and advantages. The reason for the collaboration is that Layer 2 networks all share the same goal of providing better scalability and usability for blockchain technology, while also facing common challenges such as security, compatibility, and standardization. I think opBNB has the following unique value or contribution in the Layer 2 field: providing an exclusive and customized Layer 2 network for BNB Chain, enhancing the competitiveness and influence of BNB Chain; providing a new choice for the Ethereum ecosystem and opportunities to expand the audience and resources of Ethereum; provide a new application scenario and verification platform for OP Stack, and promote the development and improvement of OP Stack.
Moderator: Next is to answer community questions. BNB Chain will release a community question form in future AMAs, please fill it out carefully, there may be surprises!
Question 1: Can I provide a dedicated opBNB for my application?
Of course, we can deploy a dedicated opBNB for the application, so that the application can exclusively use resources and bring a better user experience.
Question 2: What are the advantages of opBNB and other L2 public chains? What role does it play in the entire public chain?
As part of the ecosystem, opBNB will focus on solving the scalability issues of BNB Chain itself to further bring about a second-tier network with better performance and lower cost. We will continue to contribute the technological innovation and performance optimization of opBNB to the OP Stack community to help prosper the second-tier ecosystem and help the industry popularize blockchain applications faster.
Question 3: The technology and applications of opBNB are really powerful. In your opinion, what are the popular applications currently or the applications that you think will be popular in the future? However, it cannot be implemented on ETH or other public chains. Only development based on opBNB can Is there a way to achieve this?
You can imagine the GameFi scenario. If there are a large number of users operating at the same time, the user experience will be greatly affected by the existing delays and confirmation times of ETH or even BSC. At the same time, game users are very sensitive to transaction fees. The current Transaction fees on public and other Layer 2 networks remain a significant barrier. opBNB hopes to bring the experience of games and high-frequency applications to a higher level by improving performance and reducing costs.
Moderator: Now is the free question session. If you have any questions or suggestions about opBNB, you can ask them. The guests will answer your questions one by one.
Question 1: Will the main purpose of BNB Chain L1 change in the future?
No, opBNB is to solve the problem of BSC network congestion, while improving throughput and reducing transaction fees.
Question 2: Are there airdrops for participating in the opBNB test network?
No airdrop
Question 3: If an existing project wants to use OPBNB, does the project need to be transferred or redeployed to OPBNB?
Yes, you can choose to move to opBNB, but because opBNB is fully compatible with EVM, the code does not need to be modified, and the migration cost is very low
Question 4: What advantages does OP BNB have over other L2s? If it is successfully developed, can gas fees become very cheap? How much BNB will a transaction cost?
Compared with other L2s, opBNB has a very high block gas limit of 100M gas. This will bring two benefits: 1. High TPS, which can support more than 4,000 transactions per second if calculated in terms of transfer.
2. Because of the gas fee calculation method of EIP-1559, the gas price will be kept very low. The average transfer fee can be less than $0.005
opBNB can handle more than 4,000 transfer transactions per second, and the gas fee for transfers is as low as $0.005. Its performance is better than existing expansion solutions. You can calculate opBNB's TPS using the following formula: TPS = total requests * 80% / (total time * 20%).
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