A whale just moved $500 million to a centralized exchange — and this is your warning. This transaction just hit on-chain. One wallet. Half a billion dollars. Moving to an exchange. Whales don't move this size to stake or farm yield. They move it to sell. And the data backs this up — exchange inflow spikes at this scale have preceded 8 to 12 percent corrections within 48 to 72 hours in 7 of the las…