Namecoin is an experimental open-source technology which improves decentralization, security, censorship resistance, privacy, and speed of certain components of the Internet infrastructure such as DNS and identities.
(For the technically minded, Namecoin is a key/value pair registration and transfer system based on the Bitcoin technology.)
Bitcoin frees money – Namecoin frees DNS, identities, and other technologies.
What can Namecoin be used for?
- Protect free-speech rights online by making the web more resistant to censorship.
- Attach identity information such as GPG and OTR keys and email, Bitcoin, and Bitmessage addresses to an identity of your choice.
- Human-meaningful Tor .onion domains.
- Decentralized TLS (HTTPS) certificate validation, backed by blockchain consensus.
- Access websites using the .bit top-level domain.
- Proposed ideas such as file signatures, voting, bonds/stocks/shares, web of trust, notary services, and proof of existence. (To be implemented.)
What does Namecoin do under the hood?
- Securely record and transfer arbitrary names (keys).
- Attach a value (data) to the names (up to 520 bytes).
- Transact the digital currency namecoins (NMC).
- Like bitcoins, Namecoin names are difficult to censor or seize.
- Lookups do not generate network traffic (improves privacy).
Namecoin was the first fork of Bitcoin and still is one of the most innovative “altcoins”. It was first to implement merged mining and a decentralized DNS. Namecoin was also the first solution to Zooko’s Triangle, the long-standing problem of producing a naming system that is simultaneously secure, decentralized, and human-meaningful.
2018-02-11 Our lightweight SPV client’s
leveldbtxcache mode is the most secure of the various Namecoin lightweight SPV modes. Its storage requirements aren’t too bad either (129.1 MB at the moment for Namecoin mainnet). However, while 129.1 MB of storage isn’t a dealbreaker, it’s still a bit borderline on mobile devices. We can do better.
2018-01-30 Some reports are making the rounds that a new ransomware strain, “GandCrab”, is using Namecoin for C&C. While this may sound interesting, as far as I can tell these reports are missing the real story.
2018-01-03 As was previously announced, Jonas Ostman and I (Jeremy Rand) represented Namecoin at 34C3 in Leipzig, Germany. This was our first Congress, so we didn’t quite know what to expect, but we were pretty confident that it would be awesome. We were not disappointed. The CCC community is well-known for being friendly and welcoming to newcomers, and we greatly enjoyed talking to everyone there.
2017-12-23 Namecoin developers Jeremy Rand and Jonas Ostman will attend 34C3 (the 34th Chaos Communication Congress) in Leipzig, December 27-30. There’s a good chance that the 34C3 Monero Assembly will host some Namecoin talks. We’re looking forward to the congress!
2017-11-30 Version 0.2.7 Beta 1 of the Namecoin Lightweight SPV Lookup Client has had its source code released. Build instructions are here (it’s the “bleeding-edge branch”). Binaries will be made available later. Meanwhile, the former bleeding-edge branch (the branch that introduced leveldbtxcache mode) has graduated to partially-stable. The former partially-stable branch has been deprecated.
2017-11-20 It’s been roughly a year since the initial manage names tab
code was ported from legacy Namecoin to Namecoin Core. Since then, development
of namecoin-qt has been progressing on two fronts: merging the manage names Qt
interface into Namecoin Core’s master branch and the development of a
DNS configuration interface.
2017-11-05 Readers who’ve been paying attention to the TLS scene are likely aware that Google has recently announced that Chromium is deprecating HPKP. This is not a huge surprise to people who’ve been paying attention; HPKP has had virtually no meaningful implementation by websites, and many security experts have been warning that HPKP is too dangerous for most deployments due to the risk that websites who use it could, with a single mistake, accidentally DoS themselves for months. The increased publicity of the RansomPKP attack drove home the point that this kind of DoS could even happen to websites who don’t use HPKP. I won’t comment on the merits of HPKP for its intended purpose. However, readers familiar with Namecoin will probably be aware that Namecoin’s TLS support for Chromium relies on HPKP. So, what does HPKP’s deprecation mean for Namecoin?
Official anouncements will also be made on this BitcoinTalk thread.
Help keep us strong. You can donate to the Namecoin project here.