If you wish to earn Bitcoin online, this is a post that will assist you do just that. Bitcoin is the globe's first peer to peer crypto-currency that isn't controlled by any central issuing agency but is rather an open source protocol which is followed by all the people who get involved in the economy. No one can manipulate the supply of Bitcoins and all transactions that occur in this economy are cryptographically confirmed through a process called Bitcoin mining. Your Bitcoins are as secure as public key cryptography can be.
Once you know and value the concept of Bitcoin, the next logical question is, how can you earn some Bitcoin? Here are some ideas -
Make money online and convert them to Bitcoin
Believe it or not, it remains much simpler to make US Dollars! You can then exchange these dollars you earn for Bitcoin at any of the exchanges including Bitstamp or Coinbase if you're based in the US.
Earn Bitcoin Directly in the Bitcoin economy
There exists a small but extremely vibrant community where you could do most tasks, but at a much smaller scale. As an example, you can take up a part-time job for Bitcoin on Coinality you can also end up with a small gig on Coingig. They are real life equivalent of sites like Elance as well as Fiverr but in the Bitcoin ecosystem.
The advertising and marketing industry in the Bitcoin economy is, unsurprisingly, pretty robust. It is because there're lot of new Bitcoin based services that keep coming up all the time and they all need a good advertising network.
CoinURL allows you to place Google AdSense styled ads on your web site and other services like Bitads lets promoters bid for banner space on your blog. Addititionally there is a-ads that enables you to make money through ad impressions with out reference to the clicks (thus it isn't PPC). If you're a publisher - blogger or webmaster, you can generate some Bitcoins through this route.
There're websites that will pay you for your activity. Free Bitcoin could very well be the best known web site in this group. It pays users a couple of milli-Bitcoins for chatting on their web site. These are random and controlled by an algorithm which takes into account your activity and exactly how well you are contributing to the discussions at hand.
One other way in which a large amount of Bitcoin enthusiasts earn some Bitcoin is by selling their forum signatures at Bitcointalk forums. There are a good number of advertisers who're willing to do this, and for the socially proactive member who values conversation via this forum (it is the same forum in which Satoshi Nakamoto unveiled Bitcoin to the world), selling signatures is often lucrative.