<http://schema.org/image>
<http://static1.squarespace.com/static/53ebbeb7e4b0c55851d83c0d/t/540de1dde4b0bb5f1cd32bd4/1476446025457/>
<http://www.mosaicventures.com/mosaicblog/2016/2/4/our-investment-in-blockstream>