Using data from Coinmetrics Trustnodes reports that an estimated $830 billion worth of bitcoin ($BTC) has been transferred so far in 2018. Activity was highest at the start of the year with $220 billion of bitcoin transferred in January before falling to $140 billion in February and just $70 billion in July, which can be partially explained by failling prices. The data used is part of a new set offered by Coinmetrics which looks to remove the impact of mixers, self-churn, privacy enhancements, spam, and change outputs.