How do I know the raffles are provably fair?

All B7 raffles are smart contract-based – the NFT prize and the funds received from the ticket sale are locked in the contract https://etherscan.io/address/0xdBba5Aef7D252524c9d87ff23Be36b283CfDD30F , and the only way to release them is via a raffle process that is 100% fair for all parties involved.

The winning ticket is determined in a completely random and fair manner, via the Chainlink VRF API. To guarantee transparency and an unbiased approach, the winner is determined by smart contract via a transaction on the blockchain.