Post
Topic
Board Development & Technical Discussion
Re: Points where x=y on secp256k1
by
CrunchyF
on 28/07/2023, 19:43:41 UTC
This is wrong. You think x==y as pointy on curve.

Theo real value is y == modinv(x.n) or x == modinv(y,n)


I have found only 5 points with this. One is satoshi pubkey





Sorry i don't understand your post...and why I'm wrong
I speak about coordinate in affine plan
as Q->(x,y)

Q : (103219894018170979103981239500535823206309202530631329673674059809050911020508,103219894018170979103981239500535823206309202530631329673674059809050911020507)
or 04e43463c1a7b06b6e49f555d75238bd140690ee0f689fda75d87623e10acf95dce43463c1a7b06 b6e49f555d75238bd140690ee0f689fda75d87623e10acf95db (uncompresed pubkey)
or 03e43463c1a7b06b6e49f555d75238bd140690ee0f689fda75d87623e10acf95dc
is a perfect valid bitcoin pubkey