Bitcoin’s network difficulty, a measurement of the challenges presented to those mining bitcoin just got more difficult, as the network saw a 13% increase — the second largest of the year — as miners continue to relocate machines outside of China in the wake of its recent mining ban . Much of the mining capacity (typically in the form of server farms) has moved to North America, while some has gone to other countries such as Russia and Kazakhstan. Broader Context The new difficulty, for instance, is 17,600,000,000,000 (or 17.6T, in shorthand) compared to 13.7T just last month. This is...