{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do on-chain contracts in blockchain ensure the security and reliability of smart contracts?","a":"Decentralized verification: The execution of smart contracts is jointly verified by nodes in a distributed network. In a blockchain network, nodes verify the smart contract execution together. This decentralized verification mechanism ensures that the execution of smart contracts is secure and reliable, reducing the risk of single-point failure and centralized control."}]}],"pr":"5312616398221ea45329603cce2b44ee759873c00c17f9c08fc0453a30ecd1b3"}