alt Hacker NewsNot only do you not need the blockchain for either of those things, you don't want it.
Think it through. How do you actually "cryptographically hold" someone to anything? You take them to court.
Guess what you can do, right now, without the blockchain? That's right, you can take them to court.
You're just reinventing normal contract law with extra steps.
The cryptographic part doesn't even help you when you can just say in court that "here are our records that show we gave them these packages, here are our records of customers filing complaints that they never got them" and that is completely fine.
This exact thing happens too often. We try to use fancy technology to solve a non-texhnical problem.
With or without blockchain you end up at court. If you build a decentralized trust system, the builder of the system needs to be trusted. If you want to use decentralized trust to do your taxes or other government communication you still need to trust your government. These are all actual examples i’ve encountered.
You pretty much always end up at the legal system. If there js anything to make big impact on it would be that. But that requires world-wide revolution.