When buying ANKR (or any other cryptocurrency), there are some basic principles you should follow to ensure that your investment decision is wise and safe. Here are some key buying principles:

1. Understand the project: Before buying ANKR, take a deep look at the project's background, team, technology, business model, and market positioning. This includes reviewing its white paper, official website, social media activities, partnerships, and reputation within the industry. Make sure you have enough confidence in the project and believe that it has the potential to achieve its goals.

2. Risk management: The cryptocurrency market is highly volatile, so risk management is crucial. Don't put all your money into ANKR, but rather allocate assets reasonably based on your financial situation and investment goals. Set stop-loss and take-profit points to limit potential losses and lock in profits.

3. Long-term perspective: Although the cryptocurrency market sometimes experiences short-term sharp fluctuations, long-term growth potential is often the focus of investors. If you believe in the long-term value of ANKR, short-term market fluctuations should not overly affect your investment decision. Be patient and be prepared to hold for the long term.

4. Technical and fundamental analysis: While technical analysis is popular in the cryptocurrency market, fundamental analysis is equally important. Technical analysis can help you identify market trends and potential trading opportunities, while fundamental analysis can help you assess the intrinsic value and development prospects of a project. Combining the two analysis methods can make more comprehensive investment decisions.

5. Security awareness: In the cryptocurrency field, security awareness is crucial. Make sure your trading passwords, private keys, and authentication information are properly kept. Avoid clicking on unknown links or downloading software from unknown sources to prevent online scams or malicious attacks. Use secure exchanges and wallets to store your cryptocurrencies.

6. Continuous learning: The cryptocurrency field is constantly developing and changing, so continuous learning is essential. Pay attention to industry trends, technological advances, and changes in regulatory policies so that you can adjust your investment strategy in a timely manner.

7. Comply with laws and regulations: Make sure your cryptocurrency trading activities comply with the laws and regulations of the country and region where you are located. Understand and comply with relevant tax regulations and other legal obligations.

8. Diversify your investments: Don't concentrate all your funds on ANKR, but instead diversify your investments into multiple different cryptocurrency projects. This can reduce the risk brought by a single project and improve the stability of the overall portfolio.

In short, these basic principles should be followed when buying ANKR to ensure that your investment decision is wise and safe. At the same time, keep a rational and cool head and don't be swayed by short-term fluctuations in the market.