The primary expense that must be paid by a blockchain is that of security. The blockchain must pay miners or validators to economically participate in its consensus protocol, whether proof …
Category:
Ethereum
I’m joining Ethereum as a formal verification engineer. My reasoning: formal verification makes sense as a profession only in a rare situation where the verification target follows short, simple rules …
Security Alert Affected configurations: Geth Likelihood: High Severity: High Summary: geth nodes running out of memory and crashing on block https://etherchain.org/block/2283416 Details: TBD Solution: Geth 1.4.12 was released. Please update …
URGENT ALL MINERS: The network is under attack. The attack is a computational DDoS, ie. miners and nodes need to spend a very long time processing some blocks. This is …
Today the network was attacked by a transaction spam attack that repeatedly called the EXTCODESIZE opcode (see trace sample here), thereby creating blocks that take up to ~20-60 seconds to …
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 …
The Ethereum network will be undergoing a hard fork at block number 2463000, which will likely occur between 12:00 and 13:00 UTC on Tuesday, October 18, 2016. A countdown timer …
Mist leaks some low level APIs, which Dapps could use to gain access to the computer’s file system and read/delete files. This would only affect you if you navigate to …
One of the important indicators of how much load the Ethereum blockchain can safely handle is how the uncle rate responds to the gas usage of a transaction. In all …
Summary: In some situations, variables can overwrite other variables in storage. Affected Solidity compiler versions: 0.1.6 to 0.4.3 (including 0.4.4 pre-release versions) Detailed description: Storage variables that are smaller than …