The main problem with verifiable voting systems is that a coercing party could force you to vote for X, and then they could verify that you really voted for X.

The main problem with verifiable voting systems is that a coercing party could force you to vote for X, and then they could verify that you really voted for X. I'm not sure what the "plausible deniability" of voting is, but do you have a plan for defending against this?