Bitcoin transaction fees, and associated confirmation times on the network are on a steep upward curve. Have a read of the linked article. What do you think the answer to this is? Do the transaction fees limit Bitcoin to an "invest-able" or can it ever become a daily currency?
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Fees for sending money over the distributed-ledger network have risen nearly 19-fold, from 13 cents per average transaction in the second quarter of 2016 to $2.40 in the same quarter of this year, according to researcher CoinDesk."
http://www.thegazette.com/subject/news/business/paying-15-to-send-25-cost-has-bitcoin-users-rethinking-practicality-20170929