Hellobot Integrates Chainlink VRF to Help Power Random Mystery Box Reveal

Published on: 07.04.2023

Hellobot, the first NFT project by thingsflow — has integrated Chainlink Verifiable Random Function (VRF) on Ethereum mainnet.

By integrating the industry-leading decentralized oracle network, Hellobot have access to a tamper-proof and auditable source of randomness needed to help randomize the contents of mystery boxes. Ultimately this creates a more exciting and transparent user experience, as NFT holders can have higher confidence that the contents of mystery boxes is determined using verifiable randomness.

Hellobot — originally a WEB2 entertainment AI chatbot with 2.8M cumulative users — is currently exclusively embedded into Naver Z’s ZEPETO, the largest metaverse platform in Korea with more than 20M monthly active users.

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 Hellobot 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.

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