To profit and preserve your cryptocurrencies in a bear market, you can follow these tips:

1. **Audit and Analysis**:

- **Market Analysis**: Learn to read market charts and analyze trends. Use technical indicators such as moving averages, RSI, and MACD.

- **News**: Follow news related to digital currencies periodically, as news can greatly affect prices.

2. **Strategic Trading**:

- **Sell at the top**: If you are able to identify the tops, you can sell currencies when prices appear to be at their peak and buy them back when they fall.

- **Long-term investing**: If you believe in the future of the currency, then holding it for the long term (HODLing) may be a good option.

3. **Risk Management**:

**Investment Divide**: Don't put all your money in one currency, diversify your investments to reduce risk.

- **Stop Loss Settings**: Use Stop Loss orders to protect your investments from unexpected large declines.

4. **Continuous learning**:

**Educational Courses and Links**: Invest in your education about trading and cryptocurrencies.

- **Trading Communities**: Join cryptocurrency trading communities to exchange experiences and information.

5. **Security**:

- **Storing coins**: Use cold wallets to store cryptocurrencies for long periods to avoid hacks.

6. **Investment Strategies**:

- **Day Trading**: If you have the time and knowledge, you can try day trading to take advantage of short movements in the market.

- **Investing in emerging currencies**: Sometimes you may find good opportunities in new or less popular but promising currencies.

Remember that the market is volatile and there is no guarantee of profit, so you should always be prepared to lose part of your investment.