{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the characteristics of smart contracts on the blockchain?","a":"Smart contracts run on a blockchain network, eliminating the need for centralized third-party institutions and  reducing trust costs."}]}],"pr":"cc06c554dbb9ccd42e56445f8aeae4fc43ddbae5c0c0459354958a3aef30bde9"}