Posted on May 3rd, 2017.
A bug in the Solidity optimizer was reported through the Ethereum Foundation Bounty program, by Christoph Jentzsch. This bug is patched as of 2017-05-03, with the release of Solidity 0.4.11. Background The bug in question concerned how the optimizer optimizes on constants in the byte code. By “byte code constants”, we mean anything which is […]
Posted on November 20th, 2016.
Testing a fork The Spurious Dragon hardfork is scheduled for the coming week; block 2675000 is likely to occur Tuesday evening (CET). The block number for the testnet “Morden” was scheduled at block 1885000. Performing the fork in the test network prior to performing it in the main network was an important measure taken in […]
Posted on October 13th, 2016.
During the last couple of weeks, the Ethereum network has been the target of a sustained attack. The attacker(s) have been very crafty in locating vulnerabilities in the client implementations as well as the protocol specification. While the recent patches have led to an overall increased resiliency in the client implementations, the attacks have also […]