I'd highly recommend this talk [0] which discusses the practical security issues with such a system. Estonia did something like this.
One interesting problem is that of deniability; in order to ensure that voters are not coerced, it is important for them to be able to deny who they voted for. This is directly at odds with the goal of verifying your vote after the fact.
One interesting problem is that of deniability; in order to ensure that voters are not coerced, it is important for them to be able to deny who they voted for. This is directly at odds with the goal of verifying your vote after the fact.
[0] https://youtu.be/JY_pHvhE4os