https://www.reddit.com/r/HansaDarknetMarket/comments/59usgc/indepth_multisig_and_hansa_setup_guide/
Not my guide, just posting for those of you that don't know this exists. There's really no reason not to be using multi-sig, as it's fairly easy to setup and provides a great amount of security. Also, there is a lot of useful information on their sub that may be worth looking at for new users.
They currently closed registrations due to all the refugees.