The crypto market is highly volatile, and prices can fluctuate rapidly. That said, here are some popular cryptocurrencies across various categories that you may consider keeping an eye on in 2024:

1. *Bitcoin$BTC (BTC)*: The largest cryptocurrency by market capitalization, often considered a store of value.

2. *Ethereum$ETH (ETH)*: The leading smart contract platform, with a wide range of decentralized applications (dApps).

3. *Polkadot$DOT (DOT)*: A decentralized platform focused on interoperability between different blockchain networks.

4. *Solana (SOL)*: A fast and scalable blockchain with a growing ecosystem of dApps.

5. *Cardano (ADA)*: A proof-of-stake blockchain with a strong focus on sustainability and scalability.

6. *Stablecoins*: Tokens pegged to the value of a fiat currency, such as USDC, TUSD, or USDT, which can provide a hedge against market volatility.

7. *Layer 2 solutions*: Tokens like MATIC (Polygon) or Optimism (OP), which aim to improve scalability and reduce fees on Ethereum.

8. *Web3 and decentralized storage*: Tokens like FIL (Filecoin) or AR (Arweave), which focus on decentralized data storage and sharing.

Remember, this is not investment advice, and it's essential to do your own research and consider your risk tolerance before investing in any cryptocurrency.

Stay informed, and happy investing!