Blockchains has the potential to replace every single big tech company and power everything from apps to websites, all by using the client machines instead of relying on massive data centers. It's a multi billion dollar industry and the only payment method that works is crypto because otherwise it wouldn't be a decentralized blockchain.

It's the precious metals of the digital world. It's also operating under the same principles, the supply if fixed, not just on this planet but for the whole universe. Although it's unlikely, there is always a small chance that a large lump of solid gold or silver falls down from the sky and land in your back yard.