Key Difference: Bitcoin was launched on 3rd January 2009 by Satoshi Nakamoto. It namecoin vs bitcoin the first fully implemented peer-to-peer cryptocurrency protocol.
Namecoin was created from modified Bitcoin software, and hence is quite similar to it. However, it also acts as an alternative, decentralized DNS. Bitcoin was launched on 3rd January 2009 by Satoshi Nakamoto. The name Satoshi Nakamoto is a pseudonym which could refer to the original creator of Bitcoin, or a group of developers that collaborated for the creation of the protocol. Nakamoto has refused to come forward and has even handed over the management responsibilities of the Bitcoin protocol to the actual users. The protocol of the Bitcoin is open source, which means that anyone can see how it operates. While the transparency is touted by the industry, it also allows competitors to see and modify the original protocol.
It is created from modified Bitcoin software, and hence is quite similar to it. It was instead developed as a decentralized DNS. Right now, it works as both, a cryptocurrency and an alternative, decentralized DNS. An alternative, decentralized DNS allows one to register a . This domain is outside the control of ICANN, and hence they cannot be seized or censored. As of January 2014, 123616 .