Ethereum turns 11 as early core developer shares launch-day photo

Ethereum turns 11 as early core developer shares launch-day photo

N
News Editor
2026-07-30 12:43:57
Ethereum marked its 11th anniversary on July 30, with early core developer Lefteris Karapetsas posting on Farcaster to remember the network’s launch. In his message, Karapetsas said Ethereum went live on July 30, 2015, from a modest office in Berlin’s Kreuzberg district, and reflected on how much had changed since then while arguing that one idea had stayed the same: Ethereum as a “world computer.” The post included a photo taken on the day Ethereum mainnet launched. A screen in the background showed “Frontier block #1,028,201,” referring to launch block information. The image also captured a gathering of early core developers and contributors celebrating the moment, including Gavin Wood, Christian Reitwiessner and Christoph Jentzsch. Vitalik Buterin, described as Ethereum’s main founder and core designer, appeared at the edge of the group photo. He was 21 at the time. The image offered a snapshot of the team that witnessed one of the most significant launch days in blockchain history.

Ethereum’s 11th anniversary was marked on July 30 by early core developer Lefteris Karapetsas, who posted on Farcaster to look back on the network’s launch.

“It’s hard to believe it’s been 11 years. On July 30, 2015, we launched Ethereum from a shabby little office in Berlin Kreuzberg. Since then everything has changed beyond recognition. Ethereum has gone through countless transformations, but one thing has remained the same: Ethereum is the world computer,” Karapetsas wrote.

Launch-day photo resurfaces

Karapetsas also shared an old photo taken on July 30, 2015, the day Ethereum mainnet went live, showing early core developers gathered inside the small office.

A screen in the background displayed “Frontier block #1,028,201,” showing launch block information. Early core developers and contributors were seen celebrating together, including Gavin Wood, Christian Reitwiessner and Christoph Jentzsch.

Buterin appears at the edge of the group

BlockBeats said Vitalik Buterin, Ethereum’s main founder and core designer, could also be seen at the edge of the photo in a relatively low-key position. He was 21 years old at the time and witnessed the moment together with the team.

This article was originally published by Bit.Fan. For more cryptocurrency news and market insights, visit www.bit.fan.
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