We’re excited to announce that Metastick has integrated Chainlink Verifiable Random Function (VRF) on Ethereum mainnet. By integrating the industry-leading decentralized oracle network, we now have access to a tamper-proof and auditable source of randomness needed to help power a provably fair NFT reveal process. Ultimately this creates a more exciting and transparent user experience, as users can have high assurances that revealed NFTs were not tampered with or manipulated by any entity.

Metastick is a one-of-a-kind, 9999-piece NFT project with 777 traits. The project’s vision? When you can do a common thing in an uncommon way, you’ll command the attention of the world. That’s why we have created the simplest stickman figure possible but implemented dynamic and unusual elements into every element of the project with each piece of the stick being unique and representing an individual.

In order to help randomize the NFT reveal, we needed access to a secure random number generator (RNG) that any user could independently audit. However, RNG solutions for smart contracts require several security considerations to prevent manipulation and ensure system integrity. For instance, RNG solutions derived from blockchain data like block hashes can be exploited by miners/validators, while off-chain RNG solutions derived from off-chain APIs are opaque and don’t provide users with definitive proof about the integrity of the process.

After reviewing various solutions, we selected Chainlink VRF because it’s based on cutting-edge academic research, supported by a time-tested oracle network, and secured through the generation and on-chain verification of cryptographic proofs that prove the integrity of each random number supplied to smart contracts.

Chainlink VRF works by combining block data that is still unknown when the request is made with the oracle node’s pre-committed private key to generate both a random number and a cryptographic proof. The Metastick smart contract will only accept the random number input if it has a valid cryptographic proof, and the cryptographic proof can only be generated if the VRF process is tamper-proof. This provides our users with automated and verifiable assurances directly on-chain that the NFT reveal is provably fair and was not tampered with by the oracle, outside entities, or the Metastick team.

Chainlink services empower smart contract design and enable us to create unique NFT art and dynamics for our community. In the future, we aim to expand our integration of Chainlink VRF, as well as implement Chainlink Price Feeds and Keepers to continue building something common in the most uncommon way possible.

“Chainlink VRF adds a new and exciting element to NFT projects and gave us the tools to create a more unique NFT reveal process. While randomness often stays under the hood, it’s important that our community understands the significance of a verifiable random number generator. For the first time, they’ll be able to know for sure that the randomness used is provably fair.” — A. Ipek Fettahoglu and O. Efe Fettahoglu, Co-founders of Metastick

About Chainlink

Chainlink is the industry standard for building, accessing, and selling oracle services needed to power hybrid smart contracts on any blockchain. Chainlink oracle networks provide smart contracts with a way to reliably connect to any external API and leverage secure off-chain computations for enabling feature-rich applications. Chainlink currently secures tens of billions of dollars across DeFi, insurance, gaming, and other major industries, and offers global enterprises and leading data providers a universal gateway to all blockchains.

Learn more about Chainlink by visiting chain.link or reading the developer documentation at docs.chain.link. To discuss an integration, reach out to an expert.

About Metastick

Metastick is a one-of-a-kind, 9999-piece with 777 traits. Metastick’s inspiration and motivation is: When you can do a common thing in an uncommon way, you’ll command the attention of the world.