{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Does the governance process of blockchain upgrading have the flexibility to adjust the height of the upgrade?","a":"Smart contract upgrade: Blockchain networks can upgrade smart  contracts to improve their functionality and security, ensuring the continued development and evolution of the blockchain ecosystem."}]}],"pr":"65b15ed95363e064188891f18d69bbf5140a27933c1d51edaae9c94aa69a0be4"}