According to Ai 姨, MOODENG holders experienced a significant market surge after Vitalik Buterin tweeted appreciation for meme token donations, specifically mentioning $MOODENG. This mention propelled MOODENG's market cap from $60 million to as high as $100 million. Furthermore, an hour prior, Buterin sold 10 billion Hippo tokens for 308.69 ETH, which he donated to charity. The transaction can be verified on Etherscan.