From our Blog

A collection of our research and novel findings across the blockchain security space.

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.

ChainSecurity joins the Capital Markets and Technology Association

We are pleased to announce that ChainSecurity has joined the Capital Markets and Technology Association (CMTA) whose members include well-known FinTech leaders such as Bank Vontobel, Mt Pelerin Group, and Taurus Group.

The Dispatcher — First Line Of Defense In Any EOS Smart Contract

Back in September 2018, an attacker managed to steal US$200 000 worth of EOS from the EOSBet contract. The attacker exploited a serious bug in a designated entry function of the contract, called the dispatcher. Moreover, the introduced fix only partially closed the security issue, leaving the contract vulnerable. This incident highlights the need for education about security critical details of the dispatcher function.

Zero Gas Price Transactions — what they do, who creates them, and why they might impact Scalability

From time to time it is important to question some fundamental assumptions about a system, especially as auditors. Today we look at the following assumption: Every transaction on Ethereum costs some Ether. It turns out that this assumption is not completely true.

blockimmo Smart Contract Audit Completed

ChainSecurity has completed a security audit of the blockimmo project. The full report, including the scope of the audit and considered properties, is available on Github.