{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does the blockchain notification system help users receive real-time information?","a":"Blocks are connected to each other through hash functions, forming a chain. The hash function converts data in the block into a unique hash value, which becomes  the index for the next block."}]}],"pr":"c39487823e751a00c53771e2c4294097d8b83bbaa4c7d3084cf6f06728fe23b1"}