Is blockchain a security topic?: 
Blockchains are big news at the moment. There are conferences, startups, exhibitions, open source projects (in fact, pretty much all of the blockchain stuff going on out there is open source—look at Ethereum, Zcash, and Bitcoin as examples); all we need now are hipster-run blockchain-themed cafés.1 If you’re looking for an initial overview, you could do worse than the Wikipedia entry—but that’s not the aim of this post.
read more: Opensource.com MikeCamel
Supporting Open Source.
Have you tried: Visiting Port Elizabeth?