{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How does blockchain execute version upgrades?","a":"Consensus Mechanism: Nodes in the blockchain network need to reach a consensus to agree on version upgrades. This process usually involves modifying consensus algorithms, network protocols, or other core components of the blockchain. The consensus mechanism ensures  that all participants in the blockchain network can reach agreement during the upgrade process."}]}],"pr":"31e21d6533748bb6d04b70a221ce800592bc62c4efd92e0712f40fb9613a21ac"}