not centralisation, CONSISTENCY
> In a distributed system, achieving consistency falls upon the consistency model and consistency (enforcing) mechanisms. Consistency models determine which data and operations are visible to a user or process, and which kind of read and write operations are supported on them.
consistency means that everywhere you ask, you get the same answer
nostr's design has weak consistency
not ZERO CONSISTENCY
please, i beg you, go actually refresh your memory about the nature of distributed systems problems, especially the CAP theorem