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main conclusions
- Binance Oracle VRF is a Verifiable Random Function (VRF) solution that allows blockchain developers to generate random numbers.
- Binance Oracle VRF can be used for a wide selection of use cases, including GameFi projects and other blockchain products built with smart contracts.
- Read on to learn more about how VRFs work, why blockchain applications need randomness, and how Binance Oracle VRF could benefit your project or business.
Powered by Binance Cloud and based on the latest Verifiable Random Function (VRF) standard, here is everything you need to know about Binance Oracle VRF.
What is a Verifiable Random Function (VRF)?
Verifiable Random Functions (VRFs) are Random Number Generators (RNGs) whose outputs can be cryptographically proven to be random. Here is a brief summary of how it works.
- A series of inputs are passed to a VRF.
- The VRF calculates the inputs and generates pseudorandom outputs.
- Anyone, at any time, can cryptographically verify that the output is random.
- All tests are published and verified on-chain before applications can use the output.
Why do blockchains need random numbers?
There are various scenarios in which blockchain applications require randomness. Some examples include:
- Building a blockchain-based game.
- Assignment of tasks and resources.
- Selection of samples for a consensus mechanism.
To illustrate, let’s examine how randomness can help a GameFi developer create a blockchain-based poker game.
The developer must convince its users that the poker game uses a fair and unbiased algorithm. For example, the deck of cards is shuffled randomly and no one, including the developer, can tamper with the game.
Instead of using a black box algorithm that hides the inner workings of the game from its users, blockchain developers can effectively test for randomness by showing how their numbers are generated through a trusted Oracle provider. This way, users can be sure that their game is fair and unbiased.
The challenge of generating randomness
When generating randomness, a good output must meet four criteria: unbiased, unpredictable, verifiable, and instantly available.
Many blockchain developers find it difficult to produce on-chain randomness in their applications due to the deterministic nature of the blockchain. Chain-generated randomness generally cannot satisfy unpredictability.
On the other hand, relying solely on a simple off-chain Oracle provider could force developers to compromise availability or, worse, security. In certain contexts, if a malicious provider fuels some predictable randomness, bad actors can exploit the situation to ensure they receive a favorable outcome. Imagine a loot-based game where players can attempt to open a treasure chest multiple times until they get an item they are satisfied with. Or a card game where players can draw their hands multiple times until they get a good one.
What’s under the hood?
VRF combines these two independent sources for seed generation. The randomness built by the off-chain provider with its private key is generated from the two parameters block-hash and preSeed. This ensures the unpredictability of the test, since it cannot predict the hash of the block until the block is generated.
The provided off-chain test ensures that the randomness is generated from block hash and preSeed rather than something a malicious vendor might concoct. That makes this randomness verifiable.
In simple terms, developers can generate random numbers fairly and safely.
Binance Oracle VRF
Let’s take a brief look at exactly what Binance Oracle VRF has to offer blockchain developers.
24/7 customer service
Developers have 24/7 personalized access to a support team of experienced engineers. We understand that each project is unique and we work closely with developers to provide custom solutions that meet your specific requirements.
Powered by Binance Brand
As one of the largest Web3 ecosystems in the world, Binance offers a trusted brand known for its excellence and reputation in the crypto space. By using Binance Oracle VRF, developers can harness the power of the Binance brand to enhance the credibility of their projects and attract more users.
Affordable without compromise
Our clients, startups or enterprises, get access to a Binance-grade product at a lower price than other solutions on the market.
Innovation should not come at a high price. Binance Oracle VRF’s competitive pricing structure is intentional by design. We keep costs low, so there are fewer barriers to entry for project teams with innovative ideas and use cases.
Secure, reliable and compliant
Binance Oracle VRF is based on the latest VRF standard, which is supported by a wide range of blockchain platforms, including Ethereum, bnb Chain, and more. Most importantly, we have rigorously tested and audited our system to ensure that no individual or group can tamper with the results of the Binance Oracle VRF.
Designed with accessibility in mind
Binance Oracle VRF’s seamless user experience allows for easy integration of VRF to smart contract. Our dashboard provides a simple yet intuitive interface to monitor requests, including cost and status, as well as RNG results. With minimal setup, project teams can start generating cryptographically verifiable results.
Integrate with Binance Oracle VRF today
At Binance, we are committed to providing the tools developers need to build innovative and secure blockchain applications.
Start building with an industry-leading RNG solution and experience the next generation of on-chain verifiable randomness. Try Binance Oracle VRF today →
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