Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

The end of 2025 was rough. Over $1.2 trillion in crypto market value gone in six weeks. Bitcoin (BTC) gave up more than 30% and slipped below $82,000; a liquidity vacuum. Leverage wiped out, ...