{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the main types of networks in blockchain?","a":"Ethereum-based P2P network: The underlying distributed network of Ethereum, also known as the P2P network, utilizes the classic Kademlia network, abbreviated as Kad. The routing table in Kad is  constructed through a data structure called K-bucket."}]}],"pr":"ba592a5b1f9232fec6dacc4c0f7b9efb92511450771c16451a2beebd5670a8a7"}