The most common method of payment for purchase is cash deposit. Our ecosystem contains a web platform, a mobile app, a decentralised exchange, and over , cash points worldwide. There are currently four exchanges with local Hong Kong bank accounts. The by far cheapest way to get Bitcoin is to accept them as payment. Exchanges happen almost instantly because Changelly never actually controls your tokens but just exchanges them. One of the easiest ways to buy Bitcoin in Hong Kong is through cryptocurrency exchanges. Feel free to comment about your experiences, thoughts and additions.