Billions of (personless) things are coming online on the Internet Of Things (IoT). All these things will be chattering away at each other, with no persons involved to broker their communications. Nor their transactions.
As this megasystem develops, some things will be added to provide services to other things. How will the consuming things pay for these services? The only logical contender is cryptocurrencies - this is the only payment mechanism that does not require human actors.
Bottom line? IoT, which is poised to define the next quarter-century, is very bullish for cryptocurrencies.
http://www.coindesk.com/wedbush-analysts-remain-bullish-bitcoin/"One industry stands out as a potentially huge market with a role for bitcoin technology, if not bitcoin itself. Machine-to-machine communication, i.e. the Internet of Things, requires mechanisms to secure internet communication, allowing IoT devices to interact and transact. The Internet of Things is forecast to generate global revenues of up to $8.9tn by 2020, growing at a CAGR of 7.9%."