"Bitcoin "mining" is equivalent to the job of digging a hole and filling it back up."
When you connect to a blockchain, how do you know a hacker isn't in your computer/router/isp giving you fake blocks?
If you rely on a source to tell you where to connect, that blockchain is centralized.
If you give me one #Bitcoin block, I know it is authentic. The cryptographic puzzle solved in this block is so hard, that there is only 1 computer system in the world that could have solved it: #Bitcoin
This is a test for proof of stake blockchains.
No matter how complicated, ask the proponent "How do I know for sure I'm connected to your POS chain?"
This question, cuts through all the complicated mumbo-jumbo in a POS white-paper.
The only solution for POS blockchains is to have an authoritative source for connecting to the chain. There is no way to simply look at a POS block and know it is authentic. It's not inherent in the block.
You are open to hackers with POS, unless you centralize.
@alanturing Ethereum 2.0: "Easy, I just compare the latest block ID with Vitalik's node!" 😜 🧐 🤢
