You are making plagiarism, you should source your information:
https://medium.com/@BitRabbit/blockchain-classroom-lesson-19-what-is-a-bitcoin-node-2ee936e9cbeb
Topic: [Blockchain Classroom] Lesson 19：What is a Bitcoin Node? (Read 164 times)
there were approximately 9,300 full nodes on the Bitcoin network, responsible for broadcasting and verifying Bitcoin transfer transactions.
The number of full nodes you mentioned is an approximate number for Supernodes.As for the total number of full nodes (the non-listening nodes) or (the nodes that check the correctness of the blocks): I do not think that they are about 100,000 nodes, but I think that the number is much lower, as I remember in one of the sites that they are less than 60,000 full nodes all over the world.
Also, we cannot accurately calculate the whereabouts of these nodes.
Bitcoin is a peer-to-peer electronic cash system, more directly, node-to-node. Each transaction is broadcast to the surrounding nodes by the initiating party. After receiving the broadcast, the node broadcasts it to the surrounding nodes, and eventually spreads to the entire network.
Every Bitcoin wallet is a node, and the node with the complete blockchain ledger is called a full node. In October 2017, there were approximately 9,300 full nodes on the Bitcoin network, responsible for broadcasting and verifying Bitcoin transfer transactions.
After the transfer transaction occurs, it is broadcasted by all nodes to the entire network. The mining node verifies that the transaction is correct and records it in the blockchain ledger.
The United States, Germany, and France have the largest number of Bitcoin full nodes, and the number of full nodes in China accounts for about 5% of the world (data source: bitnodes.21.co). Running Bitcoin nodes does not provide any rewards, and Bitcoin transfer can be performed without a full node, so the total number of Bitcoin full nodes only accounts for a small portion of the total number of nodes.
Every Bitcoin wallet is a node, and the node with the complete blockchain ledger is called a full node. In October 2017, there were approximately 9,300 full nodes on the Bitcoin network, responsible for broadcasting and verifying Bitcoin transfer transactions.
After the transfer transaction occurs, it is broadcasted by all nodes to the entire network. The mining node verifies that the transaction is correct and records it in the blockchain ledger.
The United States, Germany, and France have the largest number of Bitcoin full nodes, and the number of full nodes in China accounts for about 5% of the world (data source: bitnodes.21.co). Running Bitcoin nodes does not provide any rewards, and Bitcoin transfer can be performed without a full node, so the total number of Bitcoin full nodes only accounts for a small portion of the total number of nodes.
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