{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the possible paths that can occur during a blockchain upgrade?","a":"Technical innovation upgrade: Optimize and innovate on the underlying technology of the blockchain, such as increasing the block size, improving network transmission speed, and  enhancing system security, to improve the performance and stability of the entire blockchain system."}]}],"pr":"4444cdfe8411290be50c33427d0e2cab96cd5ac98e5fbe73261e928fde4347ae"}