RATE Group | Number of Reachable Bitcoin Nodes Fell 19% in 2018
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Number of Reachable Bitcoin Nodes Fell 19% in 2018

23 Dec Number of Reachable Bitcoin Nodes Fell 19% in 2018

Posted at 10:05h in Bitcoin News by

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Data from Bitnodes shows that the number of reachable nodes on the bitcoin blockchain fell 18.98 percent in 2018 from 11,845 to 9,597. In the same period, the number of unreachable nodes also fell 33 percent from 98,000 to 65,500. To understand the significance of the data, it is helpful to establish the functions of reachable and unreachable nodes.

Source: Bitnodes

Reachable and Unreachable Nodes

A reachable node on the bitcoin blockchain is one that both sends and receives connections from the bitcoin network, while an unreachable node can only make outgoing connections but does not accept incoming connections. Unreachable nodes do not accept incoming connections because they are either behind a firewall like Tor or shielded by a Network Address Translation (NAT) that modifies network address information in the IP header of data packets while they is in transit through a router.

In theory, the existence of high numbers of unreachable nodes on a blockchain is good news…

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