{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the ways to handle error messages in a blockchain?","a":"Smart Contract Repair: Smart contracts are programs used on blockchain for processing transactions and business logic. When errors are found in smart contracts,  they can be handled by upgrading contract code, fixing vulnerabilities, and so on."}]}],"pr":"ed0f02a7a0ed407cd41d3069e027819d9ca3f362858210e681ccf94e34db314a"}