{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do blockchains handle exceptional block signature situations?","a":"Consensus Algorithm: Nodes in the blockchain network need to reach a consensus to determine an effective block. The consensus algorithm is an important mechanism used to judge whether a block is valid. For example, Bitcoin uses the SHA-256 algorithm, and each node needs to calculate to find the required block header hash value. When a node finds the required block header hash  value, it broadcasts this information to other nodes. After receiving this information, other nodes will verify the validity of the block.↵↵If the block is valid, the nodes will append the block to the blockchain, and the node that found the block will receive rewards. If the block is not valid, the node will discard it and continue searching for a valid block."}]}],"pr":"571baac694a7cec88437499fed513e838e0c416f2d6523e7ac4386e9628783d9"}