{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the Time-Weighted Average Price (TWAP) calculated in blockchain?","a":"First, collect transaction data of the asset for a period of  time, including transaction time, transaction quantity, and transaction price."}]}],"pr":"42804dd0a77380bff7deb61e86858d3a5a65869f7649d688f80dfcbed04f4078"}