There is a primer in the OpenBazaar GitHub page about the possibilities for lending and borrowing BTC and possibly other cryptocurrencies on its platform.
https://gist.github.com/drwasho/2c40b91e169f55988618I'm not sure if this has been discussed here already, I just want to know what you guys think about it. (and I hope this also gets the attention of people who can contribute more to the project more than I can, both technically and financially)