Bitcoin on Sunday surpassed the $25,000 level for the first time in two months. The world's largest cryptocurrency gained 1.6% to trade at $24,882 around 4 am New York time after rising over 2% to trade above the $25,000 mark. Bitcoin is still down 46.5% year-to-date. Meanwhile, Ethereum was up about 1% at $2,011.47 on Sunday.