Jameson Lopp, a former Engineer for BitGo and the current Engineer for CasaHODL, claims that over BTC 4 million have been lost and over BTC 2 million have been stolen. This suggests that there are much fewer Bitcoins in circulation than the total supply of BTC 17.13 million that have been mined since the genesis block.
Many people had makes wealthy from bitcoin so must take care of it just to remain as helpful to others who wants feels rich same as them be kind to every body not just as selfish all of us needs to eat.