Those bytes at the end is the hex-encoded public key of the address spending geld verdienen mit paypal spenden the coins so theres nothing wrong with that. This is a huge problem. Ecdsa requires a random number for each signature. Well be able to recover the private key to this public key: private key (z1*s2 - z2*s1 r s1-s2 we just need to find z1 and z2! Contribution activity, you cant perform that action at this time. On December 25th of last year I discovered a potential weakness in some Bitcoin implementations. Cookie Use and, data Transfer outside the. Block or report user, contact Support about this users behavior. Itll calculate the correct bitcoin address and youll be able to spend coins send to this address.