There isn't a benefit to making use of legacy address. Even so In case the service you might be employing don’t help SegWit/Bech32 withdrawals then you may want to use legacy address. Later on you are able to transfer BTC from your legacy addresses to SegWit that starts with bc1. https://bizlinkdirectory.com/listings218852/5-essential-elements-for-tron-vanity-adress-generator