Sigma Protocol is doing an airdrop for 105 SASH ($105). SASH is bond based and the only way to mint SASH is to deposit a stable coin into a bank contract. They are offering 5 SASH per referral you can get to sign up as well.

Talk to their Telegram bot here.
Join their Telegram group.
Change your Telegram bio to "Sigma Protocol, Future in the making @sigma_protocol"
Change your Telegram profile picture to Sigma Protocol logo here.
Follow them on Twitter.
Like and retweet their pinned tweet.
Follow them on Medium.
Enter your Twitter username.
Enter your Medium username.
Submit your Binance Smart Chain (BSC) address.
You have completed all the steps to get your airdrop. The distrubtion date is May 5th, 2021 and you should get your tokens on that date.