BTC dominance just hit 60%. Watch out. This level is one of the most critical signals in all of crypto — and most traders completely ignore it. Here's your exact five-step playbook. Step one: Pull up BTC.D on TradingView right now. Rising dominance means capital is fleeing alts and parking in Bitcoin. Step two: Watch for a rejection candle at this 60% zone. In 2019 and 2021, every rejection here t…