Historian Yuval Noah Harari slammed Bitcoin (CRYPTO:BTC) as a "currency of distrust," contrasting with Nigerian naira's status as the world's poorest performing currency due to forex shortages.

Robert Kiyosaki warned of a U.S. dollar collapse if BRICS introduces a gold-backed crypto, predicting hyperinflation.

Meanwhile, Peter Schiff foresees a bullish run for gold and silver, calling it the "biggest precious metals bull market in history."

Keith Gill's online persona, 'Roaring Kitty,' fueled a frenzy in meme stocks like Gamestop (CRYPTO:GME) and AMC (CRYPTO:AMC), as well as meme cryptocurrencies, reflecting shifting investor sentiments.