{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How do nodes join the network in a blockchain?","a":"Consensus validation: After authentication, the node applying to join needs to participate in the consensus process within the network to prove that it has a certain level of equity or contribution. For example, in the Bitcoin network, nodes need to solve  the proof of work (PoW) problem to gain consensus."}]}],"pr":"1cfda94de9ae5db9fbc9835845744bc0e47207db47bcf99305fe44088dda1e9b"}