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.

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.

More Information

News

(RSS Feed)

ncp11 Nightly Builds Now Available

2022-11-30 More work has been done with pkcs11mod and ncp11.

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Introducing Namecoin’s New Intern, Robert Nganga

2022-11-29 Hey everyone, Jeremy here. We’re happy to announce that Namecoin has accepted an intern via Outreachy (we are participating under the Tor Project umbrella). Robert Nganga will be funded to work on a new project that I think both the Namecoin and Tor communities will find exciting. Huge thanks are due to Tor Project for taking us under their wing for this internship. I don’t want to steal his thunder any more than I already have, so I’m going to turn over the remainder of this post to Robert to tell you about his project – please join us in welcoming him to the Namecoin community!

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Anonymity Improvements in Electrum-NMC v4.0.6

2022-10-28 Electrum-NMC v4.0.6 (soon to be released) brings some long-awaited anonymity improvements.

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Changes to name_show in Electrum-NMC Protocol v1.4.3

2022-10-28 In my 36C3 presentation (seems so long ago…), I mentioned some future changes I wanted to make to the Electrum-NMC protocol. Some of these changes have recently been implemented:

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winsvcwrap: Open source replacement for SRVANY in Golang

2022-10-06 Unlike *nix platforms, system services on Windows must be specifically designed to run as services, and written against the Win32 Service APIs. This creates a problem when it is desired to run a program as a Windows system service which was not designed to function in this role.

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Hacktoberfest 2022

2022-10-05 Namecoin is participating in Hacktoberfest 2022. If you’re interested in contributing to Namecoin, Hacktoberfest is a great chance to start (and maybe win a t-shirt).

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Namecoin Core 22.0 Released

2022-08-02 Namecoin Core 22.0 has been released on the Downloads page.

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pkcs11mod progress: Windows, macOS, certutil support, and more!

2022-06-13 Lots of things have been done with pkcs11mod since my last post on the subject. This is going to be a bit of a “grab bag” post without much structure (because that’s what reality looks like here, and this post is intended to reflect reality).

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Electrum-NMC v4.0.0b1 fixes CVE-2022-31246

2022-06-08 Electrum-NMC v4.0.0b0 and earlier are affected by CVE-2022-31246 / GHSA-4fh4-hx35-r355 (the vulnerability is inherited from upstream Electrum). Electrum-NMC v4.0.0b1 and ncdns for Windows v0.3.1 contain the fix. Tor Browser Nightly was not vulnerable. We would like to thank Unciphered and Immunefi for reporting the vulnerability and coordinating the disclosure with us, and upstream Electrum for implementing the fix.

ncdns v0.3.1 Released

2022-06-04 We’ve released ncdns v0.3.1. This Windows-only release includes important improvements to memory safety and UX; we recommend that all Windows users upgrade.

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Earlier news

For the latest news go to the Namecoin forum or check out r/namecoin.

Official anouncements will also be made on this BitcoinTalk thread.

Help keep us strong. You can donate to the Namecoin project here.

Participate

With Namecoin you can make a difference. We need your help to free information, especially in documentation, marketing, and coding. You are welcome at the forum. There may be bounties, too.