Bitcoin has rallied significantly in the past week and could reach $125,000 by December 31st, according to trader Peter Brandt.Bitcoin is currently trading at $87,991, with a potential minor price correction towards $77,203 if it breaks the support at $80,000.Ethereum has been above the $2,849.32 resistance level and could rally to $4,086 if it stays above $3,000.Other cryptocurrencies such as Solana, BNB, Dogecoin, and Cardano are also analyzed with their respective price levels and potential movements.