Legitimacyis what the dealers license will give BIGG. Binance, world's largest crypto exchange by volume, is being investigated by IRS and DOJ for money laundering. BIGG has been above board from the start, will avoid this sort of nonsense (i.e., share price destroyer) as it continues to build bridges with governments and regulators. Also, Binance has its HQ in Cayman Islands! Cayman is not exactly known for squeaky clean business operators, to put it mildly.
https://www.coindesk.com/doj-irs-investigating-crypto-exchange-binance-report