{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can off-chain data streams for smart contracts ensure security, transparency, and cost-effectiveness?","a":"Decentralized verification: The execution process of a smart contract is jointly verified by multiple nodes in a distributed network. Nodes validate the operations in the smart contract and reach consensus to ensure the correctness and  credibility of the contract execution. This helps to enhance the trustworthiness of the system."}]}],"pr":"ad7c6ec466998224240d3865584864c9bff784e1156a9569ff81105a6d5ca99d"}