{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the role of a blockchain node?","a":"Data storage and sharing: Nodes are computer devices in the blockchain network that possess a complete copy of  the blockchain and act as communication relays for other nodes. Each node stores a full copy of the blockchain data, enabling secure storage and transmission of data across the network."}]}],"pr":"220aa837836cbd1a5480aed010ec08563717d5d9f0e681f77c6b7dac1e22f0dc"}