The cryptocurrency market is still full of uncertainties, and choosing potential coins requires caution. Here are some types of coins that may have potential, but please note that investment carries risks, and thorough research is essential:

1. **Mainstream Coins**: Such as Bitcoin (BTC) and Ethereum (ETH), due to their solid market position and relatively stable long-term performance.

2. **Layer 2 Solutions**: Such as Polygon (MATIC), Optimism (OP), etc., as the Ethereum ecosystem expands, Layer 2 projects may continue to grow.

3. **DeFi Projects**: Tokens in the decentralized finance space, such as Aave (AAVE) and Uniswap (UNI), may benefit if DeFi continues to develop.