Facts about bitcoin

1. There will only ever be 21 million bitcoins.
   
   Bitcoin’s supply is finite.
   There will only ever be 21 million bitcoins.
   At present, 16.3 million have already been mined and are being traded. The last bitcoin will be mined in 2140. After that, no new bitcoins can be mined.

2 . You can buy a lot of stuff with Bitcoin.

People always ask what you can buy with bitcoins.
But the real question should be:
What can’t you buy with bitcoins?

3 If you lose your Bitcoin private key, you lose your bitcoins.

At present, the worth of 7,500 BTC is approximately $19.4 million.
Without the private key, the funds are lost forever no one can use them.

regards
bitcointalks