Startups can launch their own crypto exchange platform by simply changing the software. White label crypto exchange platform is a more cost-effective option and takes less time to create. A white-label crypto exchange software will cost you $3k-5k to create a basic crypto currency exchange platform.
Users want a secure and user-friendly cryptocurrency exchange to trade their crypto assets. You can use many features to create white-label cryptocurrency exchange software.

Here are some examples,

Crypto Payment gateway integration
Easy Wallet integration
Mobile trading apps
Matching engine
Margin trading
Liquidity API
Firewall implementation
Attractive user/admin dashboard
KYC/AML
DDoS mitigation
Two-factor authentication
Data Encryption (SSL/end-to-end)
Anti-phishing
Cross-site request forgery(CSRF)
Server-side request forgery(SSRF) and etc.,

These are just a few features of the white label crypto exchange software.

You can find out more about white label software for crypto exchanges by visiting this blog : White Label Crypto Exchange Development