{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"Who completes the operations of deploying, upgrading, and executing programs on the chain?","a":"The operations of deploying, upgrading, and executing programs on the chain are mainly completed by smart contract programming languages and corresponding development toolchains. For example, the development and deployment of smart contracts on the Ethereum platform mainly use the Solidity programming language, and also involve development frameworks  and tools such as Truffle and Remix. These programs and tools enable developers to deploy, upgrade, and execute smart contracts more easily on the blockchain."}]}],"pr":"ddd7310492cd7be8fa05c5b3c6c9a9551feb20a1a2aa5e5c1563fe0ff0d1566e"}