{"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":"Unlocking the node wallet: First, the validator node needs to use its private key to unlock the wallet. The private key is a random number generated by the system when  the node joins the blockchain network, which is used to verify the node's identity and sign transactions."}]}],"pr":"04f54ffaa0b54f02683886931d910382ff1adcd67a2ac025f6f60fab3028c003"}