Analysis of the latest Bitcoin market:
Short-term: secondary level retracement, there is a chance to evolve into a current level retracement
Focus on the support of 66000-66600 for this level retracement
Mid-term: 2 trends
1. After stepping back to this level, build a central axis and continue to break 69k upwards
2. Fall below 66k, see 63-64k downwards
