We did it again and the same thing happened,” said Darren Chesin, a consultant to the state Senate elections and reapportionment committee. “The problem was not with the paper trail. The paper trail worked flawlessly, but it caught a mistake in the programming of the touch-screen machine itself. For some reason it would not record or display the votes on the Spanish ballot for these two ballot measures. The only reason we even caught it was because we were looking at the paper trail to verify it.
https://www.wired.com/news/evote/0,2645,64569,00.html
This is why we wanted paper trails in the first place. Hell the UK still uses paper for its votes and that seems to work,
