There isn't a advantage to employing legacy address. Having said that When the provider that you are using don’t assist SegWit/Bech32 withdrawals then you might want to use legacy address. Later you'll be able to transfer BTC from the legacy addresses to SegWit that starts with bc1. A Base58 address https://zopedirectory.com/listings224569/the-best-side-of-trx-random-address