Initially did not see anything thanks to Ghostery + RequestPolicy. Since all the JavaScript disablers tend to trigger the haterade dispensers, I also checked to see whether or not they had anything in place for the search bots:

https://www.google.com/#q=site:helloblock.io+how+to+build+a+...

  > Your search - site:helloblock.io how to build a bitcoin wallet - 
  > did not match any documents. 

Too bad, as 'building a bitcoin wallet' is certainly worth ranking for (and the content is certainly high quality)!