Based on the existing answers and the question, it appears that Witnet is a layer 1 blockchain running on its own single-purpose built network. It is simple to integrate Witnet onto new chains and into applications, and it is currently providing data and randomness to 18+ different EVM compatible chains. It seems interesting, and more information about Witnet can be found on their website, as well as through their recent blog about it. For a more detailed information about Witnet, readers can find it through this medium: https://medium.com/klaytn/witnet-brings-decentralized-oracles-to-klaytn-5875fbe14f6. Witnet is a decentralized oracle network that provides reliable, tamper-proof and secure data to smart contracts. It is designed to be a trustless bridge between blockchains and the outside world, allowing smart contracts to access real-world data and events, and to interact with other blockchains. With its innovative Proof-of-Insight consensus protocol, Witnet ensures the integrity of the data and its availability over the network. It also provides a secure and efficient way to integrate data into applications and smart contracts.
