Participating in short-term cryptocurrency trading can indeed bring high returns, but at the same time, the risks are very high. Before recommending any currency, it is important to emphasize a few points: 1. **Market volatility**: The cryptocurrency market is extremely volatile and prices can fluctuate dramatically in a short period of time. 2. **Research and analysis**: It is very important to conduct comprehensive research and technical analysis before deciding to invest. 3. **Risk management**: Make sure to use a suitable stop-loss strategy to protect your capital. When considering high-risk and high-return currencies, you can focus on the following types of assets: 1. **Emerging tokens (Altcoins)**: These are usually relatively new projects that may have higher volatility. For example, some tokens with low market capitalization and recent major updates or cooperation news. 2. **DeFi project tokens**: Tokens on decentralized financial platforms usually attract a lot of market attention due to their innovation and high return potential. 3. **NFT-related tokens**: Due to the rapid development of the non-fungible token market, NFT-related projects may also provide high-volatility trading opportunities. 4. Game Tokens (GameFi): Tokens related to blockchain games, especially those native tokens of popular game projects, may provide investors with good short-term opportunities. Remember to diversify your portfolio to reduce risk, and never invest more than you can afford to lose. If you are willing to conduct more detailed research and analysis, you can pay attention to cryptocurrency news, social media (such as Twitter, Reddit), and the project's white paper and community activity.