{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How can permission control be implemented in a blockchain?","a":"Consensus algorithms: Consensus algorithms in blockchain networks (such as  proof of work and proof of stake) are used to confirm and validate transactions, as well as to decide the generation of new blocks. Consensus algorithms ensure that nodes in the network reach a consensus on the validity of transactions and maintain the security and integrity of the blockchain."}]}],"pr":"ff66f4eb52653efece55ad0d898420a1ea324c24874ec89cbe2bf3a7130df508"}