There&#x27;s a price on storage. If you want to spend $0.05 for a few hundred bytes, you&#x27;ll run out of money very quickly if you want to actually use it for typical file storage (e.g. your photo album or music library). But it&#x27;s fine if you want to store or record for posterity something valuable, e.g. a $10m loan transaction [0]<p>[0] <a href="http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;10&#x2F;hedge-fund-borrows-10m-in-stock-via-the-bitcoin-blockchain&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.wired.com&#x2F;2015&#x2F;10&#x2F;hedge-fund-borrows-10m-in-stock...</a><p>There&#x27;s been a lot of work going into a market for transaction fees based on a supply&amp;demand model that&#x27;d make spam not just costly, but exponentially more costly if you want to scale it. It&#x27;s not perfect but it&#x27;s looking pretty sensible atm.