The Swiss government is offering bug bounties of up to CHF 50,000 to anyone who can expose vulnerabilities in its network-based e-voting system. In total, 150,000 CHF will be up for grabs for any hackers who register for the PIT.
https://www.theverge.com/2019/2/12/18221570/swiss-e-electronic-voting-public-intrusion-test-hacking-white-hack-bug-bounties