“After the first round of elections, the Mission highlighted the use of blockchain technology to preserve the inalterability of the tally sheets, which could be downloaded directly by the population, and that this was indeed what happened in the post-electoral period, which helped refute queries raised by certain actors. The same option was available in the second round.” - OAS Electoral Observation Mission after runoff election in Guatemala https://www.oas.org/fpdb/press/PRELIMINARY-REPORT---OAS-Electoral-Mission-in-Guatemala-Second-Round.pdf