Officer's Blog

Following the much-discussed revelation that many DApps now save IP via an RPC provider, I made the decision to produce this little note for you! I sincerely hope you enjoy it and find it helpful! Enjoy reading! 🙂 https://officercia.mirror.xyz/p1ieZdxQWH4yHCNOXNPHyT8So1cY0X_wMGKwdmavi7sI — Choosing a Reliable VPN ProviderA VPN (Virtual Private Network) is an application that increases your online security and privacy. It creates an encrypted tunnel by redirecting your traffic and hides perso...

Greetings dear readers!We continue our series of instructive posts with some special recommendations for developers using Curve.fi’s CurveV1 integration! Wondering what is Curve.fi? Check out this resource, visit community-owned Curve’s blog on SubStack, YouTube and official channels! In short, this is one of the most used DeFi protocols; various Web3 teams utilize it to integrate it to their own projects, and if done incorrectly, it can lead to attacks and losses of user’s funds, which shoul...

Greetings, dear readers! I hope you appreciate today's post, which can be added to my list of nonfiction articles. I've already had translations, be sure to check them out!Today’s article is, mostly, a translation of this awesome work:Антология нет-арта: пионеры 90-хИнтернет удивителен тем, что мы довольно быстро забываем, каким он был раньше. Уже сейчас сложно вспомнить, что сервисы не всегда были...https://teletype.inI deliberately waive all rights to this article! It is written f...

Looking at this month’s never-ending hacks, one wonders why they happen so frequently. Have audit firms actually gotten worse at what they do?Hacks DBRead an original article via the link below:How to Defend Your Castle | Innovative Trio in Smart Contract Security: Monitoring, Prevention...How to Defend Your Castle | Innovative Trio in Smart Contract Security: Monitoring, Prevention, Defense Looking at this month's never-ending hacks, one wonders why they happen so frequently. Have ...ht...

Greetings, dear readers! I am frequently asked what is the best dependable way to keep cryptocurrency, whether it is Bitcoin, Monero, ERC20 tokens, or DOGE. In this essay, I'd like to offer the solution to that question; regrettably, there are no clear and simple answers…Check out:OpSec Guide (Simplified)OpSec Going SmartOpSec Going SmarterOpSec Going Smarter: Secure SmartphonesChoosing a Reliable VPN Provider for Life & WorkI'd also like to thank the authors of all of the services ...

Greetings, cherished readers! In today's article, I'd want to draw your attention to some of my most time-consuming articles (there are 35+ already!), which I feel to be my best! I hope you like how I created it in gallery format! Stay Safe! 🙂I - The Best of My Workshttps://officercia.mirror.xyz/p1ieZdxQWH4yHCNOXNPHyT8So1cY0X_wMGKwdmavi7s https://officercia.mirror.xyz/aN6giRkUsNd0o0bmjZVeZb2htkO_Ve16gMsARU6RBfM https://officercia.mirror.xyz/OWdu4NkAeygp2dh-AXr82gM_fWD95WuFSP3WzMnpd...

Greetings dear readers!We continue our series of educational articles and today we’ll look at some professional tips in the auditing smart contracts on NEAR blockchain. In this series we will focus only on those aspects that can be really useful for auditing NEAR-based projects. Everything you see below is based on our personal experience!Read an original article via the link below:Auditing Projects on the NEAR Blockchain: From Zero to HeroAuditing Projects on the NEAR Blockchain: From Zero t...

Greetings, dear readers! We continue our series of educational articles and today we’ll look at 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!Read an original article via the link below:Reentrancy Attacks on Smart Contracts DistilledReentrancy Attacks on Smart Contracts Distilled Greetings, dear readers! We continue our series of educationa...

Greetings, dear readers! I decided to write an unusual article in which I want to depart from the accepted concept and discuss various devices and gadgets for OpSec, but with a focus on sensitive data protection. This is the second and logical continuation of the article — if you haven't read it yet, please do so by clicking on the link below: https://officercia.mirror.xyz/fsRT9NC29GzeQAl-zvAMJ9L-hYUYvX1CPUkt97Vuuwo We only covered the essentials in the previous article, so today I'...

A cross-chain bridge is a technology that allows communication between two separate blockchain networks, such as transferring and swapping assets, calling functions in contracts from other blockchains, and more. Bridges, in other words, enable users to transfer assets from one network to another. For example, if you have Bitcoin and want to spend it like Ethereum, you can do so via the bridge. There will undoubtedly be more opportunities for users to use bridges as the number of different blo...

Greetings, dear readers! I decided to write a rather unusual article in which I want to get away from the accepted concept and talk about various devices and gadgets for OpSec, but with a bias towards the real application and ease of use. The fact is that everyone's needs for OpSec are different and, as follows from one of the golden rules, it all depends on who you expect the danger to come from and their capabilities. Here our story should turn to the science of Security Awareness, but...

We continue our series of educational articles and today we’ll look at Gas Gauge — an awesome tool aimed to help Solidity code auditors at detecting Out-of-Gas DoS vulnerabilities in Ethereum smart contracts. Not much is known about it, but it can compete with the best solutions, such as Slither, which we recently published an article about — be sure to read it!Read an original article via the link below:Gas Gauge: Pressure ControlGas Gauge: Pressure Control We continue our series of educatio...