Key takeaways: Bitcoin is consolidating as gold leads, a pattern seen before past BTC rallies. $84,000–$85,000 and the 100-week EMA are key levels to watch. Bitcoin (BTC) failed to rise above the $90,000 mark in December, with sharp rejections toward the $85,000-87,000 area on each attempt. BTC/USD hourly chart. Source: TradingView The sideways price action…