Isn't it a crime to pay people to register to vote?
52 U.S.C. § 10307
https://uscode.house.gov/view.xhtml?hl=false&edition=prelim&...
> pays or offers to pay or accepts payment either for registration to vote or for voting shall be fined not more than $10,000 or imprisoned not more than five years, or both
Others already pointed out that both are a crime.
I'm not paying you to do X, but if you do X and then Y, I'll pay you.