Warren Buffett, renowned for his skepticism towards Bitcoin and cryptocurrencies, has seen Berkshire Hathaway's investment in Brazilian fintech Nu Holdings Ltd., which includes crypto trading, deliver substantial returns in 2023, with a 93% appreciation in Nu Holdings' stock. Despite Buffett's historical reluctance towards crypto, Berkshire's significant investment in Nu Holdings, totaling $1 billion, suggests a potential shift in stance. While Buffett has yet to divest from Nu Holdings, indicating optimism for its future, the notable gains from this crypto-related investment may prompt further exploration into the crypto space by Berkshire Hathaway. This development raises curiosity regarding whether Buffett will extend his investments into other crypto-related stocks or major tokens like Bitcoin, especially considering their impressive returns, such as Bitcoin's 150% appreciation in 2023.