The global crypto market had a volatile day with Bitcoin (BTC) and Ethereum (ETH) entering key resistance levels. BTC managed to hold $50,000 while ETH ended the day at $3,920 after breaching $4,000 for the first time since May. The market capitalisation rose by 2 per cent to close the week at $2.28 trillion as of 10 am IST today, with trade volumes across exchanges totalling over $138 billion, a strong 7 per cent rise.