Here is a list of links I stumbled into and found interesting. Usually related to Crypto/Security although it could be anything. You can also suggest me something.

11/27/2017 11/23/2017 11/21/2017 11/18/2017 11/15/2017 11/13/2017 11/11/2017 11/10/2017 11/09/2017 11/08/2017
Ethereum Smart Contract CTF

ethernaut.zeppelin.solutions November 2017

11/07/2017 11/06/2017
Tor version 3

gitweb.torproject.org November 2017

11/05/2017
Reconstructing ROCA

blog.cr.yp.to November 2017

Propose a link