The presale of smartphones based on the Ethereum platform (ETH) saw an outstanding success. Within a mere 24 hours all 50 mobile devices, which operate on an operating system derived from the smart contract network, were sold out entirely. Dubbed the 'Ethereum Phone', this smartphone is an upgraded version of the Google Pixel 7a, and it is equipped with a distinctive open-source operating system known as ethOS. The name ethOS is derived from Ethereum Operating System, and it translates to 'Symbol' in Greek.

What sets these devices apart from other smartphones is the built-in 'Ethereum light' client. This special feature allows the ethOS operating system to verify blocks on its own, thus effectively turning the device into a 'light node' within the Ethereum network. The smartphone comes packed with numerous tools for managing payments and for transmitting and receiving messages. It can also integrate smoothly with Ethereum Name Services (ENS), which simplifies the payment process for users.

In addition, the phone expands support for Ethereum Virtual Machine and Layer-2 scaling networks. These smartphones were available only to those who had procured ethOS during the pre-ordering stage. Prospective buyers were given the opportunity to use or destroy the NFT as a means of securing their phone.

It is worth mentioning, some ethOS NFTs are currently listed on OpenSea, the largest NFT trading platform, for about 3 ETH, which equates to nearly $5,000. In contrast, the standard Google Pixel 7a in the USA costs $499, marking a substantial price difference of tenfold.

The Ethereum Phone is perhaps a glimpse into the future of smartphones and the integration of cryptocurrencies and blockchain technology into everyday tech. The rapid sell-out of these phones indicates a strong market interest and demand for such devices.

As the world continues to embrace digital currencies and the blockchain, it's clear that products like the Ethereum Phone are likely to become more common. While this smartphone comes with a hefty price tag, it's a significant step towards mainstream adoption of Ethereum and blockchain technology.