The summary of the given crypto news content is that David Portnoy, a prominent influencer, launched two high-risk meme tokens called GREED and Greed2. Portnoy bought a significant portion of the supply of GREED and sold all the tokens in a single transaction, causing the price to plummet by 99%. Traders suffered deep losses as a result. Despite the losses, GREED attracted a large number of holders and some traders managed to sell at a profit. Portnoy also received compensation in USDC and converted it to SOL tokens. The recent pump-and-dump activity by Portnoy raised questions about his relationship with the Kraken exchange. Portnoy went on to launch Greed2, which also experienced a significant price increase followed by a crash. Both tokens attracted traders despite the high-risk profile. The launches occurred at a time when the crypto community was becoming more cautious about meme tokens. The actions by Portnoy led to accusations of deliberate scams and calls for him to leave the meme space.
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