The call for papers for H2HC 16th edition is now open. H2HC is a hacker conference taking place in Sao Paulo, Brazil, from October 26th through the 27th, 2019.
You can download it from the following link: https://packetstormsecurity.com/files/download/152427/H2H-CFP-2019.txt
Source: https://packetstormsecurity.com/files/152427/Hackers-2-Hackers-Conference-16th-Edition-Call-For-Papers.html