Electronic vote machine technician configuring Brazilian voting machine

Technician configures the Brazilian electronic voting machine, a device that revolutionized voting in the country since 1996.

About this subject

The Brazilian electronic voting machine, officially called Urna Eletrônica, has been used in elections since 1996. Developed by the Superior Electoral Court (TSE) in partnership with the Center for Research and Development in Telecommunications (CPqD), the machine aimed to eliminate fraud and speed up vote counting. Unlike paper-based systems, the Brazilian voting machine is an embedded computer with no internet connection during voting, ensuring cybersecurity.

Configuration is a meticulous process carried out by trained TSE technicians. Before each election, the machines are loaded with official software, which is sealed and audited by political parties and oversight bodies. During setup, candidate data and polling station details are entered, and functional tests are run. The technician checks the display, numeric keypad, and voting system to ensure readiness.

The Urna Eletrônica is considered one of the world's most secure voting systems. It uses advanced encryption and prints a physical receipt for each vote (the printed vote), stored in a secure ballot box. Since its adoption, counting time has dropped dramatically: in 1994, manual counting took up to 15 days; today, results are known within hours. In 2022, over 156 million voters used 470,000 machines nationwide.

A notable fact: the machine runs on batteries lasting up to 12 hours, enabling use in remote areas without electricity. The operating system is a customized Linux, and the source code is publicly auditable. The system's reliability is such that, in over 25 years, no proven fraud has occurred.

Frequently Asked Questions

How does the security of the Brazilian electronic voting machine work?

The machine has no internet connection, uses encryption, and prints a physical receipt for each vote. The software is audited by political parties and oversight bodies before elections.

How many electronic voting machines are used in Brazilian elections?

In 2022, about 470,000 machines were used, serving over 156 million voters across the country.

Has the electronic voting machine ever been subject to proven fraud?

No. Since its implementation in 1996, there have been no proven fraud cases in the Brazilian electronic voting system.