Satoshi Updates Bitcoin Logo
Satoshi Nakamoto releases an updated graphic identity for Bitcoin, moving from the 'BC' coin to the double-stroke 'B'.
On February 24, 2010, Satoshi Nakamoto posted an update to the Bitcointalk forum sharing a new set of graphics for the Bitcoin client. The original logo, used since the 2009 release, was a simple gold coin containing the letters "BC". The new design introduced the now-familiar "B" with two vertical strokes (resembling the dollar sign's vertical lines), embedded in a gold coin. This design choice was significant; by mimicking the visual language of established fiat currencies ($, £, ¥) and the color of gold, Satoshi was visually positioning Bitcoin as both a currency and a commodity.
Satoshi shared the image files in a post stating, "I made a new icon and website logo... Better than the 'BC' logo." This update was part of the polish leading up to the version 0.3 release. While this specific gold coin design would later be replaced in November 2010 by the orange-background logo (created by user bitboy), Satoshi's design established the "B" symbol and the vertical strokes as the immutable brand identifier of the currency. The community debate surrounding the logo also highlighted the open-source nature of the project's branding; users immediately began critiquing the design and offering improvements.
The visual identity of a currency is crucial for trust and adoption. By upgrading the logo from a programmer-art placeholder to a more professional (albeit still amateur) graphic, Satoshi helped Bitcoin appear more legitimate to the waves of new users who would arrive later that year during the Slashdot effect. Satoshi's logo redesign marked a shift in the project's presentation, visually asserting Bitcoin's status as a serious financial instrument comparable to gold and sovereign currencies.
Key Sources:
• Bitcointalk: "New icon/logo" by Satoshi (Feb 24, 2010)
• Bitcoin Wiki: Promotional Graphics History
• Design History of the Bitcoin Logo