If i were to choose from the cryptocurrencies listed here, i would choose
1. BNB (because Is the closest to ETH in terms of market capitalization and blockchain algorithm)
2. Polkadot (because it is the major platform for developing Defi projects which i believe is the future of Blockchain adoption into mainstream financial ecosystem)
3. Matic (because the Blockchain has proven recently to have a lot of potential for growth and new great platform are adopting it)