{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Are smart contracts deployed on the blockchain unrestricted in terms of permissions?","a":"Public  Blockchain: Public blockchains are open to all users worldwide, and anyone can deploy smart contracts. In this type of blockchain, such as Ethereum, users need to write contract code in a smart contract programming language (such as Solidity), and then deploy the contract to the blockchain through a compiler and wallet tools."}]}],"pr":"e7692b5b5bd6e9189441fe7d90265c10f1321b63198072ac3b18605d5982285f"}