Category Archives: Uncategorized

Smart Contract Audits

Smart Contract Audits

Why is Oracle Manipulation after the Merge so cheap? Multi-Block MEV.

Proof of Stake is coming Ethereum’s Merge is coming soon™ and will be moving the network from PoW to PoS. This is a consensus layer change and will have relatively few effects on the application layer. However, there is a consensus layer change that can affect the security model of certain smart contracts: The way…

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PolPatrol – Validator for Polkadot Runtimes

ChainSecurity is happy to release PolPatrol, an automated validator for testing the stability and security of Polkadot runtimes with respect to generic security and performance properties. Since Polkadot’s relay chain runtime lies at the core of the Polkadot network, the current version of PolPatrol focuses on ensuring that relay chain runtimes are secure and functionally…

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Istanbul Hardfork EIPs – Changing Gas Costs and More

The Ethereum network will soon have its next hardfork called Istanbul. Many Ethereum Improvment Proposals (EIPs) were submitted to be included in that hardfork. Six EIPs have been accepted for Istanbul, but due to the large number of proposals eight have been tentatively accepted and will likely be part of another hardfork, called Berlin. The…

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