Skip to main content
GACS will never ask for your seed phrase, private keys, or payment. free and ad-free.
GACS.app — Global Anti-Crime & Safety
Sign up / Log in
GACS Education Library · Free and ad-free

Free OSINT, Fraud & Blockchain Investigator Certifications

Learn OSINT, fraud prevention and blockchain investigation for free — lessons, study books and completion certificates cost nothing. Optional paid exams and diplomas add a timed, verifiable credential when you want proof an employer can check.

The OSINT path: learn free, certify when ready

Open-source intelligence is how investigators find out who is behind a scam website, wallet or fake account using public information. Start free; each paid step is optional and paid once.

  1. Step 1 · Free

    OSINT Fundamentals course

    8 short lessons: legal limits, a safe workspace, search pivots, usernames and phone numbers, domains and money trails, image and account verification, writing the finding.

    Start free lesson 1

  2. Step 2 · One-time $49

    GACS Certified OSINT Analyst (GCOA)

    A timed 40-question, 45-minute exam that tests the tradecraft: operators, WHOIS and passive DNS, EXIF and geolocation, username corroboration, chain of custody, and reporting confidence.

    See the certification — $49

  3. Step 3 · One-time $599

    OIA Diploma — OSINT Intelligence Analyst

    A 7-chapter field manual (doctrine, OPSEC, SOCMINT, GEOINT, dark-web tradecraft, infrastructure attribution) ending in a graded capstone: a Target Package and Attribution Brief.

    See the OIA diploma — $599

GACS Education Library

GACS Course Modules

GACS Exams

GACS Certificates

Specialist Diplomas · Field Manuals & Capstones

GACS Master-Level Diploma · MICA

Track your progress & earn a verifiable certificate

Reading and quizzes are free for everyone. Create a free GACS account to save your place, unlock printable certificates with a verification code, and resume on any device.

Create free account
Want the full AI learning path?

The GACS AI Learning Center

Free diplomas in LLM Engineering and AI Agents, an AI capstone coach that reviews your work against the rubric, structured study books, and a public portfolio of approved capstones — all in one place.

Open Learning Center

Modules

11 long-form ebooks rolling out — covering strategy, risk and fraud.

Exams

Knowledge checks at the end of every module, plus a 100-question proctored final.

Certificates

Downloadable PDF certificate with your name when you pass.

Looking for plain-language scam lessons?

The free Education Center covers spotting scams and protecting your money in 4–6 minute reads.

Visit Education Center

Quick answers

GACS Crypto Risk Certifications teach fraud investigation and risk literacy, from free intro courses through agency-grade intelligence diplomas.

What are GACS Crypto Risk Certifications?

They are a fraud-investigation and safety education programme, ranging from free risk-literacy courses to certifications and intelligence diplomas covering fraud prevention, blockchain investigation, open-source intelligence, and AML compliance.

Are GACS courses free?

Some are. Introductory risk-literacy and fraud-awareness courses are free. Certification and diploma programmes that include assessment and a credential are paid.

Do GACS certifications come with a verifiable credential?

Yes. Completed certifications issue a certificate with a public verification page so an employer can confirm it independently.

Authoritative sources

Independent primary sources used to check and corroborate the guidance on this page.