{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How are tips calculated on the blockchain?","a":"Determine the tip ratio: First, both parties need to agree on a suitable tip ratio before the transaction. This ratio can be determined based on the transaction amount, service quality,  and the will of both parties. For example, a tip of 1% to 5% of the transaction amount can be agreed upon."}]}],"pr":"558e207b23eab60a9c7eefc3a1caad8d138778f5ad898e8273fec278998c07e6"}