Is there any way to calculate (estimate) how long it would take to mine a npub prefix of x characters? All the ones I want to search for are too long.

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I am not sure if there is a way to estimate time. I will keep you posted if I find out.

Does anyone have a link for the characters that can be used in an npub key?

I had seen a list somewhere but can’t find it now.

It'll check when you run and I think it'll display the bech32 charset if there's an invalid char.

Thank you both!

I also just found the bech32 list at your generator’s github page #[3]

Thanks again!

I just found a key with estimated proof of work of 20 in 31 seconds.

Now searching for a key with an estimated pow of 40 and my Mac sounds like an airplane.

🔥🔥🔥 thanks for the info! GL

7-char vanity npub takes a few days on M1 Macbook Pro. #[6] 8-char npub took a few weeks!

So it should only take a few lifetimes for this 10-char vanity pub?

It’s for my grandchild anyway. Jk

Wow! I want to go for a 11 character npub. I better upgrade my machine first 😂

Crazy the difference one character makes. Difficulty increase is exponential.

Wow just found a 5 character npub on my old 2011 i7 MacBook Pro in 70 min. Not bad. Now gotta fire up the desktop machine for something more challenging 💪

Nice work!! GL

I’ve got some simple code here if you can interpret python.

https://github.com/armstrys/nostrfastr/blob/main/nbs/04_vanity.ipynb

Npub chars are “023456789acdefghjklmnpqrstuvwxyz” and if you use the hashrate estimates provided by rana you can calculate a rough time with a couple simple equations listed in that nb.

My npub took exactly one week to mine on a Sony Vaio 2015 (i7, 4 cores)

#worthit

It’s a great npub.