{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to unlock the wallet of a validation node in a blockchain?","a":"Wallet address verification: After unlocking, the  node wallet will generate a unique wallet address, which is used to receive and send digital currencies. When other nodes conduct transactions with other nodes, they need to verify the correctness of the wallet address."}]}],"pr":"991f46c515aef99a28ea94172fb18dfcdfbf314df9880b9bfc47b79b37b82d5f"}