1. Where can I buy $20k worth or DRK or NXT right now using USD or GBP.
2. Where can I spend these DRK and NXT?
You can buy $20,000 of any coin on any freaking exchange. Ever heard of cryptsy? Where millions of $ is traded daily, idiot...
LTC has no adoptance, there are no real stores accepting LTC as payments....It is the most useless coin ever.