Basic properties calculated for the static bitcoin network in the first and second period.

An increased number of links and nodes in the second period shows that the bitcoin network had grown significantly by 2013. A larger clustering coefficient in the late period indicates a higher connectivity of the system users. The average degree also increased in the late period, showing that the system had become more popular as each node tended to create more connections in comparison to the first period (where most of the nodes transacted only a few times).