The State of TLS … ECDSA Nonce Reuse
Satoshi Nakamoto selected ECDSA for Bitcoin transactions, and the rest is history. Ethereum has since adopted it too. But, it has weaknesses, and one of the core weaknesses is that we should NOT reuse the same nonce value.
The signature is:
and where the random nonce value is k. If the same value is used, it is possible to derive the private key (priv). A new paper  now…