Namecoin Punycode Domains and Name Identities

Information

Created: 10 May 2011
Creator:
Blockchain: Namecoin

Description

What if a domain name could be a piece of art? That sounds like a strange question because domain names are supposed to be useful. You type one into a browser and expect to arrive somewhere. But shortly after Namecoin launched in 2011, people discovered that a domain name could also be used for something much less practical: hiding pictures, symbols and messages inside the name itself. The trick involved something called Punycode.

The Domain Name System had been designed around a rather limited alphabet: A to Z, the numbers 0 to 9 and the hyphen. That worked perfectly well for English, but it was awkward for a global Internet. Japanese, Arabic, Cyrillic and Greek characters didn't fit, and neither did symbols or emoji.

Punycode, published as a standard in 2003, provided a workaround. It could take a name containing Unicode characters and convert it into ordinary ASCII characters. The resulting name began with xn--, telling compatible software that there was something encoded inside it. A browser that understood Punycode could turn the strange-looking string back into the original characters. A system that didn't simply saw a sequence of letters, numbers and hyphens. This turned out to be particularly useful on Namecoin.

Namecoin was an early attempt to create a decentralised alternative to the ordinary domain-name system. Instead of asking a central registry whether a particular name was available, users recorded names directly on the Namecoin blockchain. If the name was valid and the required fee was paid, there was no registry administrator waiting to approve it. That meant there was nobody to ask whether a particular character belonged in a domain name.

People soon began experimenting with what this made possible. Within weeks of Namecoin's launch, they were registering Punycode names that weren't really intended to be addresses at all. Once decoded, some became text, symbols, emoji or little pieces of ASCII art. The Historical NFT Timeline dates the first Punycode entry to 10 May 2011, followed by a related ASCII Art entry on 11 May. Namecoin itself had only launched about three weeks earlier. A domain name had become a very small canvas.

The curious part is that nobody needed to add an image file. There was no picture sitting on a server somewhere with a blockchain record pointing towards it. The unusual characters were encoded directly into the domain name, and the name itself was recorded on the blockchain. That distinction matters when looking back at the early history of digital collectibles.

Today, it is tempting to look at these objects and call them NFTs. Many collectors do. They are unique or scarce digital objects recorded on a blockchain, and the thing being collected is contained in the blockchain record itself. But that is a description applied in hindsight. In 2011, nobody was calling them NFTs. There was no NFT standard, and the modern vocabulary around blockchain-based digital ownership had not yet developed. At the time, they were simply strange things people were doing with Namecoin.

The same is true of some of the other early Namecoin experiments. The technology was being used before anyone had settled on what category these objects belonged to. In retrospect, that makes them especially interesting. People were testing the edges of what a blockchain could store, and occasionally discovering that the result looked rather like digital art. Then the Punycode names largely disappeared from view.

For years, the collection received little attention. That changed in January 2022, when it was rediscovered on Twitter. The names were claimed quickly, and the HNFT Museum describes the claiming process as fair, resulting in the collection being spread among many holders rather than concentrated in the hands of a few. The rediscovery also helped give the old experiments a new historical context. On 23 January 2023, the HNFT Museum interviewed the Punycodes team as the first interview in its Historical NFT series.

There is an interesting irony here. The people registering these names in 2011 could not have known that more than a decade later someone would be digging them out of an old blockchain and treating them as early NFT history. They were experimenting with a naming system. The art-history label came later. And Namecoin was not the only place where this idea appeared. A similar collection was created on Emercoin, a later blockchain based on a fork of Namecoin.

The Punycode story is therefore less about someone deliberately inventing an NFT than about an unexpected use of a technical workaround. A system designed to make international characters fit inside the Internet's old-fashioned naming machinery ended up providing a way to put tiny pieces of visual expression directly into a blockchain name. It was not a picture file. It was not a token standard. It wasn't even called art at the time. It was a domain name doing something nobody had really asked a domain name to do.