Zenchain is a blockchain specifically dedicated to decentralized financial applications and non-fungible tokens. They are having an airdrop for 150 ZEN if you can complete a few simple tasks. One ZEN is worth $0.10. They are offering 25 ZEN per referral as well.
https://t.me/ZenchainProtocolAirdropBot?start=1495113291

Step by Step Instructions
Step 1. Start the airdrop bot on Telegram.
Step 2. Solve the math equation captcha.
Step 3. Join their Telegram group.
Step 4. Join their Telegram channel.
Step 5. Follow them on Twitter.
Step 6. Retweet the pinned tweet.
Step 7. Like their Facebook page.
Step 8. Share any post.
Step 9. Follow their Medium. (optional)
Step 10. Subscribr to their advertiser's Youtube channel and share the video on the Zenchain airdrop to your social media. (optional)
Step 11. Join their advertiser on Telegram. (optional)
Step 12. Follow their advertiser on Twitter.
Step 13. Retweet the post about the Zenchain airdrop.
Step 14. Submit your email address.
Step 15. Submit your Twitter username.
Step 16. Submit your Facebook profile link.
Step 17. Submit your Medium profile link. (or skip)
Step 18. Submit your Youtube channel link. (or skip)
Step 19. Submit your social media link used to share the Zenchain airdrop video.
Step 20. Enter your Binance Smart Chain wallet address.
Congrats, you are all finished the tasks needed to complete the airdrop. The distribution date of the tokens is still unknown.