{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts ensure the reliability of execution in blockchain?","a":"Decentralized  verification: The execution of a smart contract is jointly verified by nodes in a distributed network. In a blockchain network, nodes validate the operations in the smart contract and reach a consensus to ensure that the execution of the contract is correct and trustworthy."}]}],"pr":"be2f86a47896340ab58dbe09e86e30936565340a6b7515b567b9aa0e469639b5"}