A new CryptoQuant report from XWIN Research Japan reveals that the sharp +6% Bitcoin rally on December 2–3, 2025 was triggered by a seismic shift in traditional finance: Vanguard’s unexpected policy reversal.

The $11 trillion asset manager—long known for its conservative stance—opened its platform to spot ETFs for BTC, ETH, XRP, and SOL, instantly giving more than 50 million investors access to crypto products. The move marks one of the most significant steps toward mainstream adoption in the industry’s history.

The catalyst behind this reversal was the appointment of Salim Ramji, Vanguard’s new CEO and a former BlackRock executive who played a key role in launching the IBIT ETF. His leadership signaled a dramatic change in direction, and the market responded immediately.

Once US market

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