Cryptocurrencies with development prospects:

1. Polkadot (DOT) is a multi-blockchain platform that allows different blockchains to interact with each other.

2. Chainlink (LINK) - a platform for providing data from external sources for blockchain systems.

3. Cardano (ADA) is a science-based cryptocurrency that is actively developing and has great potential.

4. Solana (SOL) is a blockchain network with high bandwidth and low fees.

5. Avalanche (AVAX) is a multi-blockchain platform that provides fast and economical transaction processing.

These #криптовалюти have significant growth potential due to their technological innovation and support from large investors. But of course, before buying any coin, you need to examine it in more detail and analyze its dynamics. It's up to you.