{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How is the independent ledger of blockchain maintained?","a":"The independent ledger of blockchain is maintained in a decentralized manner. In a blockchain network, numerous participants (called nodes) form a loose autonomous peer-to-peer (P2P) network. Each node has a complete copy of the ledger, and all ledger information remains consistent. When new transactions enter the network, the ledgers of all nodes synchronize updates without the intervention of a central node.↵↵To ensure the consistency and security of ledger data, blockchain adopts a method called"}]}],"pr":"28a15605264dcbe703ce98857f54eb0c45386309091fbbc5e1d55d13c3918a35"}