[1] - https://js1k.com/
Yes, for thousands of years. The result is called the paper ballot.
You cannot have a verifiable anti-tampering voting system using computers. You need verifiability by the general public. Auditing a microchip is not something members of the general public know how to do, and in any case, it detroys the chip, so it's kinda useless anyway.
Or do you mean hand written ballots? Does anyone still use those?
And yeah, the digital ones have been hacked at DefCon by children. (their parents taught them how to hack the devices, so I guess that is cheating)
Maybe throw in some Blockchain or did I use a BS Bingo term?
Yes. The constitutional court of Germany ruled that electronic voting is essentially illegal in Germany due to all the inherent flaws, so all elections are done with pen and paper, ballot boxes, and manual counting.
Also, while the guidelines say it has to be a cross, it could be any clear mark (though best not to risk it), as soneone drew a rude symbol in a square and it was counted as a vote! (https://www.bbc.co.uk/news/magazine-32693485)
Most of the world's leading democracies.
The USA is actually the outlier.