site and wallet links dont work, but someone mine
https://getamitycoin.org/working fine and mining fine in here, might wanna check your internet
What premine and purpose of forking?
no premine
purpose of forking is explained in that pre-whitepaper over there:
https://github.com/CalexCore/assets/blob/master/AMITY%20PRELIM%20WHITE%20PAPER%20v%201.1%20[v%2004.16.2019]%20[FINAL].pdf