A structured roadmap for learning blockchain forensics and on-chain investigation, covering everything from transaction basics and wallet types to advanced laundering techniques and professional investigation workflows. Topics include smart contract exploits, rug pulls, phishing, DeFi attacks, cross-chain tracing, mixer analysis, and a 90-day learning plan. Key tools like Chainalysis, Arkham Intelligence, Nansen, and Dune Analytics are listed, along with guidance on writing professional investigation reports and career progression paths in blockchain intelligence.
Table of contents
From Blockchain Security Researcher to Crypto Forensics Expert1. Foundations of OnChain InvestigationWhat is OnChain Investigation?How Blockchain Transactions WorkWallet AddressesEOAs vs Smart Contract AccountsEOAs (Externally Owned Accounts)Smart ContractsTransaction HashesToken TransfersCross Chain Bridges2. Investigation MethodologySmart Contract ExploitsRug PullsGet Abraham ’s stories in your inboxPhishing AttacksPrivate Key CompromiseExchange HacksDeFi Protocol Attacks3. Professional Investigation WorkflowStep 1: Threat AssessmentStep 2: Transaction TracingStep 3: Entity IdentificationStep 4: Mixer and Bridge AnalysisStep 5: Exchange Attribution4. Tools Used by Investigators5. Real Investigation Thinking Process6. Common Criminal Laundering TechniquesMixersPeel ChainsChain HoppingOTC DesksPrivacy CoinsLayering7. 90-Day Learning RoadmapDays 1–30Days 31–60Days 61 — 908. Writing Professional Investigation ReportsExecutive SummaryTimelineEvidence SectionVisual GraphsRecommendations9. Advanced Topics10. Career PathFinal Advice121 Impressions