Here's a guy who sold everything his family had to trade cryptocurrencies

A Dutch man with a wife and three kids sold everything to bet on cryptocurrencies. Didi Taihuttu is in the process of selling his home and everything else he owns, moving to a campsite and buying -- but also trading -- cryptocurrencies.

"We were just like - sell it, sell it, what can we lose? Yeah, we can lose all the material stuff. Yeah, we can lose all our money. Yeah, we don't have three cars anymore. We don't have the motorcycle anymore. But in the end, I think we, as a family, will still be happy and just enjoying life," he said.

Read more here.

Now, this is the kind of stuff you get in any mania, but it's also evidence that we're in a true mania. If people with this much to lose are willing to put it all into crypto, then plenty of other people will buy a little or buy a lot.

Trading the sentiment on Bitcoin, not the fundamentals, is something I've been saying for four years.