2015-03-17T22:55:00+00:00 https://jonasnick.github.io/ Jonas Nick Zola 2015-03-17T22:55:00+00:00 https://jonasnick.github.io/blog/2015/03/17/ethereum-bug-bounty-submissions <p>I found two vulnerabilities in the crypto currency <a rel="external" href="https://ethereum.org">Ethereum</a>: <a rel="external" href="https://github.com/jonasnick/eth-neg-value-tx">negative transactions</a> and <a rel="external" href="https://github.com/jonasnick/ecdsaPredictableNonce/">predictable ECDSA nonce</a>.</p> <p>As part of the <a rel="external" href="https://bounty.ethdev.com/">bug bounty program</a> I was awarded with 20 Bitcoin.</p>