If you have 10000 bitcoin, what do you do?
open a business?
makes gambling sites?
make school?
write yourself
certainly some of us donate or charity
If free in use?
1. Open business
2. Invest (Own house+ summer house+rental property around to world to make profit)
3. Build very powerful hardware(s) to mining purposes (ASIC+Altcoin etc)
4. Trade bitcoins + exchange in USD and Euros -> invest tax paradises
5. Spare rest