Conditions for recovering a p2pkh bitcoin private key Apart from Re-using same R value, What are the necessarily ecdsa values needed or method to recover the private key of a p2pkh address.

When same address is reused numerous times to receive bitcoin what threat does it pose?
What are the necessarily ecdsa values needed to recover the private key of a p2pkh address.


A key is recoverable if two signatures are created with the same R value.


  When same address is reused numerous times to receive bitcoin what threat does it pose?


It leads to some loss of privacy, allowing different payments to be linked together.