[Vitalik Buterin Sells Free Meme Coins Again, Cashes Out Over $15,000] Ethereum co-founder Vitalik Buterin has once again sold meme cryptocurrencies he received for free. According to on-chain data monitoring platform Lookonchain, Buterin cashed out a total of 15,170 USDC in this transaction. This sale has sparked further market attention on the value and liquidity of meme coins.