Is there a way to start for the beginners with knowledge of payment & cards area?
Hi @praveenkumar32, welcome! I would suggest checking these articles:
https://www.topcoder.com/thrive/articles/Payment Methods#:~:text=You can elect to be,USD or your local currency
And check out this forum thread as well - https://discussions.topcoder.com/categories/payment-discussions.
Make sure to join our Discord also here, it's where our members hang out and chat! We'd love for you to join us there!