Yes, we do have a decentralized oracle here. Witnet is a decentralized oracle protocol that has completed integration with Klaytn and is live on the Cypress mainnet. You can find out more about Witnet through this medium link: https://www.klaytn.foundation/random-number-generation-on-klaytn-with-witnet/. You can also view the list of projects under our ecosystem through this link: https://www.klaytn.foundation/ecosystem/. In order to use the decentralized oracle, you need to configure it. You can also use any wallet with this protocol. For more information, you can also read the tutorial on how to use the Witnet protocol.