Pyhton 8 InsomniHackTeaser Crypto 18 - Rule86 Jul 13, 2020 RITSEC Crypto 18 - CictroHash Mar 18, 2019 TAMU Crypto 18 - LarryCrypt Jan 12, 2019 TAMU Crypto 18 - SimpleDES Dec 6, 2018 CodeBlue Crypto 17 - Common Modulus 1,2,3 Oct 11, 2018 QIWI - Crypto 400_1 Sep 5, 2018 QIWI - Crypto 300_1 Aug 12, 2018 QIWI - Crypto 100_1 Jul 17, 2018