See whether Bitcoin signatures do not comply with RFC 6979

Have you heard a song by Dinah Washington ? The song title is what a difference a day made? In crypto currency world, bitcoin is the big brother. However technology world still concerns Bitcore signatures is able to comply with RFC 6979 specification?

Bitcoin owner must protect the private key. The conceptal idea is that generating random number k in elliptic curve is crucial and in any transactions signature in Bitcoin, random number k is required to compute a point k*G. If this k is chosen not randomly, it instantly leaks the private key.

Do you think attached diagram can provide the resolution to you in this regard?

What A Diff’rence A Day Makes Lyrics: What a difference a day made? Twenty-four little hours. Brought the sun and the flowers.Where there used to be rain……..

Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA):

https://tools.ietf.org/html/rfc6979

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