I think mining is based upon game algorithms, not player algorithms. Mines are plotted by the server and when you mine a check is done to see if the player can 'see' it based upon availabiltiy (has someone already mined it), skills, range of tools, etc. Then at some time in the future a new...
It is legit
I too can vouch for Darri!
He has been playing for years and we (with a few others) started a society a long time ago. Everything is legit.
Ultimus