CoinWorld news, after technology CEO Siqi Chen's young daughter Mira was diagnosed with a rare brain tumor, he posted an emotional plea on X, hoping to raise donations for the laboratory researching the condition. A Pump.Fun user created a meme coin named Mira, which saw its market value soar to $80 million, but after Chen revealed he planned to liquidate his holdings and donate all proceeds to the laboratory, the coin's value fell. "Even if we no longer sell a single token, we will at least donate $1 million to [the laboratory]," Chen wrote in an update.