When I was a 16-year-old, it would have been significantly easier for me to get a $200 home server than a $5 Digital Ocean VPS.
The online shopping service over here (Allegro, basically Amazon and eBay all in one) is perfectly happy to do pay-on-delivery for a small fee. You probably need to be 18 to sign up, but no Polish person ever actually cared about such restrictions and there's no age check.
On the other hand, cloud services require you to have a debit or credit card, which you can't get without an intervention from your parents if at all.
You can say lots of bad things about Bitcoin and crypto in general, but the youth rights angle can't be overemphasized enough.