BTC has touched the daily support level. At this position, you can buy the bottom in batches near the previous low. In addition to the support near 64, the next bottom is near 62 and 60. There is no need to panic about the decline. In this market, just sell high and buy low without thinking!
As for ETH, it is a little stronger than BTC at the moment. You can give priority to buying the bottom of ETH when BTC falls to the corresponding price