Officer's Blog

The Ethereum Alarm Clock tool was hacked, and we will examine this today. But let’s first recall the general purpose of this tool in order to get to the heart of the matter. Why was it used? By whom? What actually happened? From beginning to end, we will give you a thorough analysis in this article.In the beginning, we would like to express our heartfelt gratitude to our in-team auditors who have assisted us by providing much-needed information and breaking the veil of secrecy! We are also gr...

Greetings, dear readers!The problem of security has recently become very urgent due to the enormous number of hacks and security incidents in the Web3 sphere. Everyone has very different ideas and suggestions on this topic, so we will only attempt to describe a portion of them today.To let us know your interests and preferences better, please fill in a short questionnaire!So, what are the chances of enhancing current techniques with additional security, and how precisely is the security of th...

Greetings, dear readers!We continue our series of educational articles and today we’ll look at Read-Only Reentrancy Attack — one of the attacks that used to be very common in the Web3 smart contract-based projects, but has recently been relegated to the background, although they still pose a great danger! To begin with, we will understand what Reentrancy is, what tools are currently available to detect it and, most importantly, how to reliably protect your project and your users from this typ...

Today, we’re going to take a look at a variety of different attacks, dissect the ways in which they differ from one another, and discuss ways to defend ourselves against them! Let’s get it started! To begin, I’d like to point out that we’ll examine price manipulation attacks in the first part of today’s article, and reward manipulation attacks in the second; therefore subscribe to our blog — you’ll find a lot of interesting information there: https://officercia.mirror.xyz/ekYLAK6uZl2fNCCzAL0e...

We’ll go over all of our work from April 2023 to May 2023 with you and summarize all of the particularly important Spotter-related events in the upcoming digest piece… Our proactive alert system against crypto exploits has only gotten better over this time! But first, I’d really like to ask you to read our previous article from which you can learn about the history of Spotter and the progress of development! Please subscribe to our blog to make sure you don’t miss any of the regular news and ...

In the upcoming digest piece, we’ll go over an overview of our Pessimistic Spotter on-chain monitoring & defense service!spotter.pessimistic.io — Sign-up!pessimistic_spotter_public — Public Alerts ChannelPlease subscribe to our blog to make sure you don’t miss any of the regular news and updates we plan to publish on the project in a special digest! So, today we would also like to go through all of our work from September 2021 to April 2023 with you and reflect all of the particularly signifi...

Greetings, dear readers!In recent months we (me: officercia.eth & pessimistic.io) have been actively developing our own Slither detectors to help with code review and audit process!This repository contains everything you may require to work with them!GitHub - pessimistic-io/slitherin: Slither Detectors by Pessimistic.ioSlither Detectors by Pessimistic.io. Contribute to pessimistic-io/slitherin development by creating an account on GitHub.https://github.comThis is merely a release article that...

In the upcoming digest piece, we’ll go over more specifics and gradually increase the capabilities of our Pessimistic Spotter on-chain monitoring & defense service!Photo by David Cenciotti + Photomosh | Kopp–Etchells effect Explained | Another ExplanationSo today, in the following digest piece, we’ll talk about the most recent news, how it affects (and will affect) industry and our Spotter project, and, of course, we’ll explain our Pessimistic Spotter on-chain monitoring & defense service fun...

The most unusual OSINT guide you’ve ever seen. This article is intended for bored professionals only!GitHub - OffcierCia/non-typical-OSINT-guide: The most unusual OSINT guide you've ever seen. The repository is intended for bored professionals only. PRs are welcome!The most unusual OSINT guide you've ever seen. The repository is intended for bored professionals only. PRs are welcome! - GitHub - OffcierCia/non-typical-OSINT-guide: The most unusual OSINT guide you've ever seen. T...

Today, we’d like to kick off a series of articles in which we’ll look at new promising tools and learn exactly how to use them, as well as their benefits and drawbacks. In this series, we will only cover aspects that are relevant to auditing and bug bounty hacking but are not covered elsewhere!*Authors: Nikita Kirillov, officercia.eth*Image: Sudoku + PhotomoshGreetings, dear readers!First and foremost, we want to start by sincerely thanking the people who made the SolGrep and SemGrep tools, e...

We will gradually expand the capabilities of our Pessimistic Spotter on-chain monitoring & defense service and provide additional details in the subsequent digest piece!Cover Image: St Elmo Bridge by George Rex X PhotomoshSo today, in the following digest piece, we’ll talk about the most recent news, how it affects (and will affect) industry and our Spotter project, and, of course, we’ll explain our Pessimistic Spotter on-chain monitoring & defense service functionality in a more detailed way...

In this article, you will learn what cryonics is, learn something new about its dark side, and we will also discuss a bit about one of the unsolved mysteries of Bitcoin. Our interviewee will reveal some secrets and possibly expose himself so we hope that the article was not written in vain and that you will enjoy it! I’m 100% confident you’ll find it rather intriguing, let’s get started! The interview process is open to the public. There was no use of artificial intelligence (including chatGP...