The biggest challenges are technical setup, market volatility, and understanding tax or legal implications. You’ll need a payment processor or gateway that can automatically convert crypto to fiat currency to avoid price fluctuations https://www.opencart.com/blog/should..._search=crypto. You must also ensure your checkout system and accounting software support these transactions. While the process is becoming simpler with modern tools, crypto payments still require extra caution regarding security, wallet management, and staying compliant with local regulations.