{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain technology, how do you handle the issue of submitting invalid states?","a":"Consensus Algorithm: Nodes in the blockchain network need to reach consensus to confirm transactions and create new blocks. Consensus algorithms include Proof of Work (PoW), Proof of Stake (PoS), etc.,  which can help nodes in the network identify and reject invalid transactions. For example, in the PoW algorithm, nodes need to solve a complex mathematical problem to obtain the right to create a block, ensuring the security and consistency of the network."}]}],"pr":"7773b60826d4c7319598dcda1ad320a2fbb1de73e2af65195b5b52fbb374b282"}