One message, in particular, stood out during Janet Yellen’s testimony before the House Financial Services panel on Wednesday: “Buy bitcoin.”

Of course, that wasn’t the Fed chair’s message. She was more focused on interest rates. Nor was it a photoshopped internet hoax perpetrated by some crypto junkie aiming for a viral Reddit hit.

No, while Yellen was busy doing her thing, an opportunistic bitcoin fan took it upon himself to hold up a “buy bitcoin” sign.

Desperate times call for desperate measures?

Bitcoin BTCUSD, -2.43% has been getting obliterated lately. Actually, the entire crypto market has been crushed over the past month.

Still, bitcoin is in the midst of a remarkable bull market, as you can clearly see by this chart of the past year:

One way to get bitcoin back on track might be the Fed heeding the sign-holder’s wishes. In fact, according to one Wall Street Strategist, if central banks get on board with bitcoin, it could help push the cryptocurrency to $55,000 within five years.

Read: Why it would take more than a 75% hit to derail cryptocurrency’s bull market.

There’s a long way to go from here, obviously. Who knows, maybe the sign helped. At the time, bitcoin rallied 3%, though it fell back a bit on Thursday.

As for the sign holder, he apparently turned a nice profit either way. After this picture of him holding his bitcoin address was posted on Twitter, he reportedly received donations of more than $10,000 worth of bitcoin: