You could refuse the offer, but look like you felt for the trick... If this is a fraudulent scheme you became an accessory for their criminal enterprise
This is uncalled for. Biomech didnt ask a thing, and got offered a free miner. No one should be expected to refuse that based on a hunch this might be a scam.
I would however, be careful not to put too much weight on the results. Not that i have reason to suspect Biomech from being untruthful, its just that the ability of anyone to cram a few off the shelve technobit boards in a standard mATX case was never in question.
Do we know the full names of Josh and Jim?
Let's be clear, these folks are clearly operating in U.S. soil. Wire fraud is a serious crime.
Bitmine.ch likely have signed a contract with AMT. I am sure that they also verified the credentials of their partners.
So far, the company hasn't been executing well enough. But like BFL, it may be more incompetence than being a scam.
One quote to leave you all with:
Napoleon Bonaparte 'Never ascribe to malice that which can adequately be explained by incompetence.'