Getting your monthly paycheck in Bitcoins is probably the steadiest way to earn Bitcoins. There aren't many organizations who would pay you in Bitcoins but there are some at least. And maybe there will be more as acceptance increases continuously. Gavin Andresen, core Bitcoin developer of the Bitcoin Foundation stated in this interview that he gets paid in Bitcoins. And chances are, that when your employer accepts Bitcoins they might be willing to pay you in Bitcoin, too.
Although transactions are publicly recorded on the blockchain, user data is not — or, at least not in full. In order to conduct transactions on the Bitcoin network, participants must run a program called a “wallet.” Each wallet consists of two unique and distinct cryptographic keys: a public key and a private key. The public key is the location where transactions are deposited to and withdrawn from. This is also the key that appears on the blockchain ledger as the user’s digital signature.
The domain name "bitcoin.org" was registered on 18 August 2008. On 31 October 2008, a link to a paper authored by Satoshi Nakamoto titled Bitcoin: A Peer-to-Peer Electronic Cash System was posted to a cryptography mailing list. Nakamoto implemented the bitcoin software as open-source code and released it in January 2009. Nakamoto's identity remains unknown.