{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do smart contracts execute business logic in a blockchain?","a":"The smart contract is disseminated through  a P2P network and stored on the blockchain: The developed smart contract is propagated to various nodes in the blockchain network and stored on the blockchain. The blockchain adopts a decentralized distributed storage system."}]}],"pr":"ae7de029e8a878dbc4e1aebd7ba8ecef05019696d5477a708adc965a2f0fd544"}