Can blockchain use phone numbers for consensus algorithm?


I was thinking maybe blockchain can use hashed phone numbers as way to show a reliable node from a corrupt node. Aren’t most social media platforms using phone numbers for extra security?
On top of that, maybe it will provide even more decentralisation than other consensus algorithms. What is the worst case for this scenario? Can an entity hack 51% of the phone numbers in the world? Will many nodes make this process slower? I hope someone can shed more light on this.

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