The call for papers for H2HC 17th edition is now open. H2HC is a hacker conference taking place in Sao Paulo, Brazil, from October 24th through the 25th of 2020.
You can download it from the following link: https://packetstormsecurity.com/files/download/156973/H2H-CFP-2020.txt
Source: https://packetstormsecurity.com/files/156973/Hackers-2-Hackers-Conference-17th-Edition-Call-For-Papers.html