Today BNB is really much better known than HT. Binance has the largest volumes, so the prospects for BNB are huge. If nothing changes ( in crypto we already remember Poloniex, Bittrex 
), HT will take second place.
BNB is a very safe coin for you to hold and is the number one exchange coin in this market. Of course, you can also choose HT because this is also a very interesting option and will definitely increase when there is lots of good news. Anyway, these 2 coins have a huge difference and I will choose to invest BNB because holding this coin brings a lot of benefits to me and have the opportunity to participate in many IEO projects at Binance.), HT will take second place.