There isn't any profit to utilizing legacy address. Even so if the provider that you are making use of don’t guidance SegWit/Bech32 withdrawals then you might want to use legacy address. Later on you'll be able to transfer BTC from a legacy addresses to SegWit that starts with bc1. In https://oteldirectory.com/listings12705006/the-greatest-guide-to-temprary-trx-address