Proba stands as a Web3 Protocol crafted to facilitate the creation and interaction with decentralized games of chance, fueled by randomly executable NFTs (rxNFTs). As an open-source suite of smart contracts, Proba empowers individuals to construct decentralized games of chance on the blockchain. It operates as a fully decentralized, permissionless blockchain protocol, utilizing trusted Web3 technologies such as Arbitrum One, a prominent Layer 2 blockchain, and Chainlink VRF v2 for transparent on-chain randomness.