There are a number of such systems that do this via revoting or dummy ballots. One of my projects, Votexx, uses vote nullification (or flipping) via a trusted third party chosen by the voter.

The general idea for all of these is if you add uncertainty you reduce what a coercer is willing to pay creating a mutually assured destruction scenario whereby the system being in place ensures nobody ever tries it.

Votexx.org if you want to learn more.

The website on VoteXX and associated 4 page preprint does not offer comprehensive overview of the system. What happens to verifiabiloty when the vote is nullified? Does voter sees that the vote is cancelled and hence also coercer/briber?