Blockchain is still quite a complex concept difficult to grasp for the typical regular citizen of any country.
The fact that you store your money in a public key which is a garble of characters and numbers and that you can only retrieve it with a similar private key is a concept that is hard to comprehend and trust for anyone who considers its money as something valuable.
This is the reason I chose Hive as my starting/intro crypto coin. Because in Hive your public key is your username....this makes it way easier for regular mortals to understand it. Also, as I understand, transferring Hive tokens from one Hive wallet to another Hive wallet doesn't charge you any gas fees, I can practice with my friend and family how to deal with wallet plugins and different addresses ( am I right on this one ?)
I think that until developers and blockchain evangelists can find a way to get rid of the complex public keys and risks associated with crypto exchanges or wallets being hacked, the full adoption of crypto is not going to happen any time soon. There must be a major breakthrough, a breakthrough similar to the tactile phone screen when Apple introduced it in the first iPhone.