Overview

• Christian Langalis, known as 'Bitcoin Sign Guy', sold the notepad that he held up during a 2017 Congressional hearing.
• The sale took place at Pubkey Bar in New York, with the notepad displayed on a spinning platform during the final auction hour.
• Proceeds from the sale will fund Langalis's startup, Tirrel Corp, which is developing a Bitcoin Lightning Network wallet.
• The notepad's sale coincided with a significant rise in Bitcoin's price, historically tied to its public exposure during the 2017 hearing.
• The item is considered a notable artifact in Bitcoin's history, symbolizing its impact on global financial discussions.