Building this type of platform involves both technology and regulation. You need to implement KYC/AML compliance, apply geo-restrictions based on country laws, and develop core features like event-based trading, pricing engine, and smart contract settlement. Security, audit logs, and regional rule handling are also important for global scalability.
For a more detailed explanation, you can refer to this guide:
https://www.trioangle.com/blog/crypto-prediction-market-platform-development/