This is why I think you are guys are barking up the wrong tree when you set out to try and sue KNC Miner, you have to realize they are only responsible for complying with the Swedish Law and not any international laws. KNC is a pretty big company that they likely have confirmed everything with their own lawyers.
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dude
I can sell you miners all you want for the best price available, but as B2H (Business-2-Horse) only.
"The Products are sold to horses only and Purchaser hereby accepts that it has purchased the Products as a horse."
Since you are a horse, you cannot make business and therefore I neither need to deliver anything nor refund you.
Just because one puts something written in the internet and call it TandC, it doesn't change the laws.
Let alone this B2B crap and deceptive marketing, refusal of refunds, keeping money of accepted refunds for several months, etc..
Even if most of their TandC would be ok for some B2B cases in the wild, it would not mean that it fits to KnC's reality and covers their fraudulent scammy actions.