https://cryptorave.org/ https://twitter.com/cryptoravebr CryptoRave hosts activities on security, cryptography, hacking, anonimity, privacy and freedom on the web. This is the 5th year. It is inspired on the global and decentralized global action of https://cryptoparty.in/ Some prior topics https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=https://cpa.cryptorave.org/en-us/CR2017/public/events https://translate.google.com/translate?hl=en&sl=auto&tl=en&u=https://we.riseup.net/cryptorave/programacaocr2016