{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain solve the slow transaction speed problem of cryptocurrency?","a":"Optimize network consensus algorithm: The consensus algorithm in the blockchain network also has  a significant impact on transaction speed. For example, Ripple uses a distributed consensus algorithm to quickly confirm transactions."}]}],"pr":"1a875c1d70ba252fe872a143c339ef4555b24f24ef1ff082e9b624c57f235d06"}