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These ratings are all the result of personal experience with the providers in question:
Payment Method(#) Customer Service Site
CrownCloud cryptocurrency Outstanding https://crowncloud.net/
HostHatch bitcoin Excellent https://hosthatch.com/
Viking bitcoin Good https://vikinglayer.com/
QuadHost cryptocurrency Poor https://quadhost.net/
Inception bitcoin(*) Godawful https://inceptionhosting.com/
Notes:
# - "cryptocurrency" includes bitcoin, plus some number of altcoins
* - When we parted ways, there bitcoin support seemed to also be going away