A year and a half.
Discussion
nostr has only hit 1 year guys
bitcoin took 18 months to build, without the overhead of competing devs putting nonsense into the spec
expect at least another 2 years until nostr is beta grade
and thanks to all the alpha testers :D
still better than using X
The biggest thing I have learned is that you can write white papers all you want, but not until do you actually code do you appreciate the nuances and details that fundamentally challenge your white paper thinking.