but I didn't received reward

Binance has started a wonderful Amazon AWS Course with share of $9000USDC rewards on competion and a wonderful certificate you can see mine below.
Go through the link provided and complete it ASAP to your reward and certificate.

https://www.binance.info/en/support/announcement/binance-academy-launches-aws-blockchain-node-runners-for-bnb-chain-course-share-up-to-9-000-in-bnb-rewards-7b963660edb545199d05b4c57ee97a5c?utm_source=new_share&ref=CPA_00GYLKN1Y5