{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to update program messages on the blockchain?","a":"Learn the Solidity programming language: As the programming language for Ethereum smart  contracts, Solidity has a unique design and syntax. Understanding its basic concepts and syntax rules is crucial for writing smart contracts."}]}],"pr":"94a1514e8b4bb4338b41f70bdc5e489baa28b4791081efd38a8778c13a8ab66a"}