To build a cryptocurrency exchange, there are different ways to go about it. The first one is building from scratch. This method involves several steps that you must undergo such as,

Deciding the type of exchange and the location
Obtaining a license for the exchange according to the region it's going to operate
Partnering with a bank/Payment processor
Gathering requirements for the exchange
Generating funds for the exchange
Connecting the exchange with external exchanges for liquidity
Integration of necessary features and security integrations
Testing the functioning of the exchange
Constant bug checks, maintenance, customer support
To get over with all these processes successfully will take up a lot of time, money and involves quality technical support to sustain the exchange in the long run. With the prevailing demand and competition, building from scratch will not be a fitting solution.

The better choice is to conduct detailed research and choose the right platform that offers white label cryptocurrency exchange software solutions. Whitelabel solutions are readily-available, comes with a name, brand, logo, UX/UI according to the user preferences, and every necessary feature and technical integrations. Whitelabel solutions are pre-tested, hence they are secure and reliable. They deprive the user of the development costs. All the user has to do is, purchase and install to launch the exchange which will be quick as light and cost-effective. So, choose your platform today and launch your crypto exchange in no time!