Crypto markets are having a strong Tuesday. Bitcoin jumped nearly $4,000 in 12 hours, hitting $74,461. Ethereum surged 7. 85% to $2,366 and XRP climbed 3. 11% to $1. 36. The total crypto market cap crossed $2. 52 trillion, adding over $100 billion in a single day. The move was fast and largely mechanical. Here is what actually drove …