Apart from removing the problematic cryptocurrencies, they are from their platforms. Most of the exchanges have taken immediate reform measures. The Hong Kong Securities and Futures Commission have sent a letter to seven cryptocurrency exchanges regarding their listing of securities tokens without license.
Hong Kong Takes Action
Regulatory action has been taken against its many cryptocurrency exchanges and its IOC is the issuer. This Hong Kong Securities and Futures Commission has announced on Friday.
SOURCE - https://news.bitcoin.com/hong-kong-cracks-down-securities-tokens-cryptocurrency-exchanges/