Spammers are exploiting the popularity of the currency in different ways. Bitcoins can be earned in return for access to the computing power of a device. One mailings offered to share the secret of a millionaire who made his fortune with bitcoins. Another offered the chance to win bitcoins in a lottery, but it turned out to be a scam. The bottom line is that it is impossible to earn lots of money with bitcoins, no matter what the spammers promise in their letters. The search for bitcoins is akin to a gold rush, the harder it appears to be to obtain them.”]
Source: https://securelist.com/virtual-bitcoins-vs-hard-cash/58523/