Barbara Simons: The Computer Scientist Who Prefers Paper Voting
theatlantic.com
theatlantic.com
Similarly, assuming a nefarious actor it is much more challenging to hack a vote using a distributed human system than a digital one.
About the second thing you've surely that cannot be true in all cases. A vote guarded by a mathematically difficult number theory problem can be hard to crack than a ballot box guarded by a grumpy human who feels he/she has better things to do. I believe one must not forget the cost of assembling such problems and maintaining such problems
Curious to know your take and redefinition do