{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In a blockchain, what are the capabilities of a program during its execution?","a":"Immutable: Blockchain adopts encryption algorithms, once the data is recorded in the block, it is difficult to tamper with. This helps prevent false information  and fraudulent activities."}]}],"pr":"8aa47b8966122ecdf224fc4de7b912e799043ea875dcb446abdf8cc737c81a90"}