Binance and KuCoin have partnered to offer BNB/BTC and BNB/USDT trading pairs on KuCoin’s trading platform
Source: https://cointelegraph.com/news/kucoin-lists-binance-coin-supports-binance-chain-projects
KuCoin Lists Binance Coin, Supports Binance Chain Projects
June 19, 2019
CoinTelegraph