A large fraction of Bitcoin transactions is gambling. See how the number of transactions suddenly takes off in summer 2012? That's Satoshi Dice. https://blockc

A large fraction of Bitcoin transactions is gambling. See how the number of transactions suddenly takes off in summer 2012? That's Satoshi Dice. https://blockchain.info/charts/n-transactions?showDataPoints=false&show_header=true&daysAverageString=1&timespan=all https://blockchain.info/charts/n-transactions?showDataPoints... Furthermore, the largest use of Bitcoin volume-wise is indeed trading against other currencies. However, the same holds for the USD. US GDP is below 20 trillion per year, while global forex trading is 5 trillion per day, with the majority of trades involving USD.