Is Tim Draper selling his bitcoins? This simple hypothesis was enough to sow doubt in the crypto market. On Friday, July 3, a massive transfer of BTC to Coinbase Prime, attributed by several on-chain analysis tools to the famous billionaire, triggered a wave of speculation. Between fear of an imminent sale and questions about the reliability of blockchain tracing, the case recalls a reality: in a market dominated by large fortunes, a few transactions can shake investor sentiment.