与Pump.fun关联的钱包抛售逾20亿枚PUMP代币，套现455万美元USDC

Multiple credible and relevant sources with high authority report significant token transfers by wallets associated with Pump.fun, including billion-scale PUMP token movements in exchange for multi-million USDC amounts. One news report describes the Pump.fun team selling hundreds of millions of PUMP for USDC and references cumulative sales reaching into billions of tokens, aligning closely with the magnitude described in the statement. Another source provides figures for specific sales (e.g., 543 million PUMP for $1.2 million USDC) and notes larger aggregate sales, which corroborates the possibility of a single transaction involving over 2 billion tokens for about $4.55 million USDC. While no single primary source explicitly lists the exact 2 billion PUMP/$4.55M transaction, the combined reporting of large-scale movements, their USD valuations, and the wallet association strongly support the statement's plausibility. The consistency across sources and lack of contradictory evidence justify a 'likely_true' assessment with high confidence.