In today’s article, I’d want to draw your attention to some of my most time-consuming articles (there are 120+ already!), which I feel to be my best! Enjoy!

Art by: Regul Lion

OpSec & Security

• OpSec Going Smart

• OpSec Going Smarter

• OpSec Going Smarter: Secure Smartphones

• Unfolding Ancient Wisdom: How Ancient Stories Teach Modern Humans about Security and OpSec

• An Open Letter to the Manufacturers and Designers of Crypto Wallets

• Would Stay Extra Vigilant Over the Holidays…

• Interview With a KyberSwap Hacker

• Protecting Against Crypto Drainers: The Importance of Web3 Antivirus

• Take Back Your Safety in Web3: Web3 Antivirus

• Protecting Yourself from LinkedIn Scams: How to Stay Safe in the Web3 Era

• Security Tips & Devices for Digital Nomads

• Bitcoin: The Ultimate OpSec Collection

• Safeguarding Your Digital Assets as a Web3 Practitioner: The Importance of a GridPlus Lattice1 and Web3 Antivirus

• R.xyz: Web3 Bug Bounty Platform

• Choosing a Reliable VPN Provider for Life & Work

• Innovative Trio in Smart Contract Security: Monitoring, Prevention, Defense

• The Only Safe Way to Store Crypto

• How Cross-Chain Bridges are Hacked?

• What to do when your Web3 project Discord server is hacked & how security audit may prevent it from happening

• Violent Attack Vectors in Web3: A Detailed Review

• 2 Violent attack vectors in Crypto: a detailed review

• What is ARP spoofing and how to protect against it?

• An ultimate list of rules any on-chain survivor should follow to stay safe!

• QR Code: An Underestimated Danger

• The most significant milestones in the development of communications

• Someone overheard me! Why it’s important to think about all attack vectors, even if they seem unlikely to happen?

• MacOS + IOS + Crypto + OpSec = ?

• Web3 Antivirus Metamask Snap

• OpSec in Crypto: Thoughts

• Key principles of storing cryptocurrency securely

• Blue Buttons of Death

• Scavenging: Don’t be too kind

• How hackers may steal your Ethers?

• Profanity: Clarifications

• Address Poisoning Attack

• Telegram & Discord Security Best Practices

• Taming a Wildhorse CEX App

• DNS Hijacking: In-Depth

• Telegram Security Best Practices

On-Chain Investigations

• Awesome On-Chain Forensic HandBook

• What you should do if you think someone has stolen your crypto-assets

• The Atypical OSINT Guide - Article | Repo

• Attacks via a Representative Sample : Myths and Reality

• How can you become a one-man-army OSINT specialist?

• How I investigate crypto hacks and security incidents: A-Z

• 100 BTC deadman drops: Silk Road

• If you have been scammed…

• Ethereum Alarm Clock Exploit: Final Thoughts

• How to Build A Career In Crypto Forensics In 2023 and find your Dream Web3 Job

• OSINT Lesson №1: Mind-Mapping

• OSINT Lesson №2: Occam’s Razor & Intuition

• OSINT Lesson №3: AI, ChatGPT & Choosing a Pathway to Follow

• Recovering Funds with HackedWalletRecovery Tool

Web3 Development

• Tips for Solidity Code Auditors - Article | Repo

• Revealing True Industry Potential Through the Ultimate Web3 Security Ecosystem: R.xyz

• BalancerV1 Integration Tips

• Meta-Transactions: General Overview

• CurveV1 Integration Tips

• Auditing Projects on the NEAR Blockchain: From Zero to Hero

• Reentrancy Attacks on Smart Contracts Distilled

• Gas Gauge: Pressure Control

• Short Types in Solidity: Rare Tricks Uncovered

• Fuzzing Solidity Smart Contracts with Echidna: Die-Hard Level Tips

• Slither: An Auditor’s Cornucopia

• Per Aspera ad Astra: How to become a smart contract auditor & bugbounty-hunter

• Officer_CIA X MaxWayld: Content Overview

• Tenderly App — a Swiss Pocketknife for the Web3 developer

• Convex Finance DeFi Integration Tips

• Digest: Notes

• Auditing Tips for NFT Projects

• AAVE V3 DeFi Integration Tips

• Slitherin Release

• Slitherin Timeline

• Slitherin Timeline 2.0

• Spotter’s Almanac

• Pessimistic Spotter: Overview

• Compound v2 DeFi Integration: Specifications

• Compound v2 DeFi Integration Tips

• Oracles, Entropy & Chainlink VRF Secure Integration Tips

• Chainlink VRF Secure Integration Tips: Specifications

• Auditor’s Notes: Semantic Grep & Solidity

• Price & Reward Manipulation Attacks Distilled

• Read-only Reentrancy: In-Depth

• Web3 Security Distilled

• Arbitrum: Basic Features, Technical Details and Differences from Ethereum

• AMM (Automatic Market Makers) Integration Tips

• Web3 Security Distilled 2.0

• Auditor’s Notes: Semantic Grep & Solidity 2.0

• Auditor’s Notes: ERC20 Integration Tips

• Auditor’s Advice: Math, Solidity & Gas Optimizations | Part 1/3

• Auditor’s Advice: Solidity Checklist & Reentrancy Attack | Part 2/3

• Auditor’s Advice: EVM Limitations & Assembly Auditing Tips | Part 3/3

• RustBlockSec | Part 1One

• Auditor’s Notes: Initializing, Proxy, Oracles & Multi-Chain

• Auditor’s Notes: Tokens, EIP-712 & Meta-Transactions

• Remediate Web3: R.xyz

• Arbitrary Calls & New Slitherin Detector Release

• R.xyz Is About To Launch Soon

• Unlocking Trust and Security in Web3 Smart Contracts: Audit Wizard

History & Art

• Is The Brain a Quantum Computer?

• Exploring the Potential for Life in the Internet and Blockchain

• From Net-Art in 1994 to NFT and Pixel War in 2022: An Ontology

• Laplace’s Demon Speaks: Is there a life in blockchain?

• How to win the war, trick the KGB and protect your crypto-assets from theft by Steganography

• Master of OpSec Masters: A View Through the Prism of Time

• Blockchain in Space & Interplanetary Payments

• Revelations of a Former Banker: An Interview

• No Longer Human: An Interview

• “They threatened to freeze me alive” — The Dark Side of the Cryonics; An Interview

• OFFICERCIA.ETH: All You Need to Know

GitHub Projects

• OpSec SelfGuard RoadMap

English | French | Portuguese-Brazilian | Blog

• DeFi Developer Road Map

English | French | Korean | Italiano | Spanish | Chinese | Telugu | Gujarati | Japanese

• Awesome On-Chain Forensic HandBook

Main Repo | Intro Article

• Ultimate DeFi & Blockchain Research Base

• The Atypical OSINT Guide

• Tips for Solidity Code Auditors

• Medium Blog

Links & Support

• Twitter

• Blog

• Medium Blog

• Join my TG channel

• cia.start.me

• An old retrospective!

Support is very important to me, with it I can do what I love — educating users!

• Check out my GitHub

• Track all my activities

• Join my TG channel

If you want to support my work, please, consider donating me:

• 0xB25C5E8fA1E53eEb9bE3421C59F6A66B786ED77A or officercia.eth — ETH

• 17Ydx9m7vrhnx4XjZPuGPMqrhw3sDviNTU — BTC

• 4AhpUrDtfVSWZMJcRMJkZoPwDSdVG6puYBE3ajQABQo6T533cVvx5vJRc5fX7sktJe67mXu1CcDmr7orn1CrGrqsT3ptfds — Monero XMR

Thank you!