Reason: None provided.
I don't think it's even needed. All colour printers produce a serial number/date watermark so that printed pages can be traced to a printer. The mark is in a repeating pattern of yellow dots.
Blockchain or not, the ballots are watermarked.
https://www.bbc.com/future/article/20170607-why-printers-add-secret-tracking-dots
285 days ago
1 score
Reason: Original
I don't think it's even needed. All colour printers produce a serial number/date watermark so that printed pages can be traced to a printer. The mark is in a repeating pattern of yellow dots.
Blockchain or not, the ballots are watermarked.
285 days ago
1 score