Here's Rucknium's latest article about the infamous #monero 18-block reorg: What happened, why it matters, and what it has to do with the annoying 10 block lock.

If I could understand the whole thing enough to be able to do the diagrams, you can do it as well!

But seriously, give it a read. It's important if you care about (and want to understand) Monero's inner workings and quirks better:

https://rucknium.me/posts/monero-18-block-reorg/

I've been using gupax.io for a week now, it really is easy and every hash makes
#monero a tiny bit harder to mess with.

Coolest visualization website I've seen this week:

If you haven't already, pirate the shit out of your favorite films and music. There's a chance you might not be able to access it in the future.