{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the purpose of transaction confirmation levels in blockchain?","a":"Ensuring transaction security: The higher the transaction confirmation level, the more miners verify and confirm the transaction, thereby reducing the likelihood of malicious tampering. Miners need to invest more computational effort in the blockchain to change transactions that have already been confirmed."}]}],"pr":"eda9d25847d455ccf8c032e5d1b8d7ea1c66f27290b9043ec2f19ae336ce11ef"}