Bitcoin (CRYPTO: BTC) is gaining momentum, opening the week with a 6.4% rally and pushing the asset above the $70,000 mark alongside a 63% surge in trading volumes. 10x Research states that the week ahead will be crucial in determining Bitcoin’s next 15,000-point move. Bearish factors: Negative Bitcoin ETF flows for five consecutive days, a drop in altcoin and meme coin volumes mainly in Korea (from $16 billion to $3 billion) and lower Bitcoin funding rates.Bullish factors: Central banks turning dovish, the upcoming Bitcoin halving event, potential reversal of ETF flows and a bullish risk-asse…