8mln coins is not supressed (it is max coins in single tx), after block 10519200 there will be reward 0 DBL.
- 6.77 coins per block, just like 6.77gms of gold in a real doubloon!
- Digging can continue until 8 million coins or 5 years, whichever comes first.
that's unclear
could you please provide more information?