You may find interesting this presentation from John Sotos on DEF CON https://www.youtube.com/watch?v=HKQDSgBHPfY "Genetic Diseases to Guide Digital Hacks of the Human Genome".
This is where !g comes in handy. In my experience how you search ddg is a bit different from how you search google and it may require some time to get used to but for me what ddg offers is far more interesting than what google does e.g. consistent results, privacy, ability to forward my search request to other search engines.
Correct me if I'm wrong but if you get sourdough made at some other place after couple of weeks your local culture will take over thus sourdough will loose that other place uniqueness so to speak. But I'm not an expert just something I remember when I was interested in sourdough and pizza making.
Not sure if that would be useful but you could use similar approach to recently posted https://send.firefox.com/ that encrypts content before sending it to server using key that is in # param and is never send to server by browser.