Is it illegal to give away money to followers?

What if I said I would give 1 ETH to a randomly chosen follower this Friday? 

Screw it, let's do it. I'm gonna give someone 1 ETH on Friday. 

Only rule: Must Recast this post with what you'd do with the ETH

I would use it towards an oxygen machine for my mom. She has COPD and only 14% functionality of her lungs and seriously needs one.

Self-taught Artist & Queen of Colors pushing boundaries & igniting imaginations. 🎨 Faith & fam are my inspo ✝️❤️ Exhibited globally 🌎 linktr.ee/deriniti