Millions of dollars have been spent on rare mementos from Bitcoin’s past — with some auctions for NFTs breaking records.
Bitcoin’s now a teenager — and that means there’s a growing appetite for memorabilia from the cryptocurrency’s early days.
It’s like when an unsealed, first-generation iPod hits the market. Bidders go absolutely berserk and end up paying $29,000 for sentimental value.
Here, we’re going to look at five of the biggest (and craziest) crypto-related auctions of all time.
1. The ‘Buy Bitcoin’ sign
Being a digital asset, there aren’t all that many tangible mementos associated with Bitcoin. An honorable exception is a single piece of paper.
Back in 2017, then Federal Reserve chair Janet Yellen was giving evidence to Congress on the state of the economy. In remarks that could have easily been from yesterday, she warned that the U.S. was some way off returning to its 2% inflation target.
In the background, a 22-year-old then hastily scribbled “Buy Bitcoin” on his legal pad — and held it to the camera during Yellen’s testimony. Screenshots of the stunt quickly went viral on social media, with BTC rallying to $2,398 (yes, we know) as a result.

Christian Langalis — otherwise known as “Bitcoin Sign Guy” — told the auction site Scarce City:
“It’s good to finally liberate this number from my sock drawer and offer it back to the Bitcoin public. The message was subversive then, but now merely obvious: Bitcoin is flowing. Control is dead.”
Christian Langalis
Bidding lasted for more than a week, with the
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Author: Connor Sephton