Have you checked your spot wallet to see if there is any STRK token credited? If you stake your ETH in ETH 2.0 project i.e. keeping BETH in your spot wallet, you most probably eligible to get STRK token as an airdrop. Binance will give it based on snapshot taken at a time in 2022.
For each BETH you hold, you will get around 10 STRK. Since 1 STRK is valued nearly 2 USDT right now, it means for each BETH you hold, you will get around 20 USDT worth of STRK token. So keep ypur smile going on there!!
P/S: you don't really have to do anything, it will automatically be distributed into your wallet if you are eligible for it. So question like "what do I need to do to join this event?" or "I don't see any STRK in my wallet, whwre is it? please help" are not a valid question for this case. Cheer up😁😁