Use Google searching within reliable websites such as euromonitor.com. You can enter the terms followed by site:euromonitor.com in this case all results will be from this website.
Reading the following article from Euromonitor, you can start finding terms to brainstorm: http://blog.euromonitor.com/2016/06/embracing-the-blockchain-before-it-completely-disrupts-your-industry.html
Here are few examples:
These publications are not included in AUD Library databases and must be searched directly on their website.