Cryptocurrency Taxation & Regulation: Education, Training & Consultancy

Get up-to-speed with the rapidly growing crypto assets space with the world's first online course focused on international crypto taxation, one-to-one consultations, and on-site training.


Don't Know Where to Start With Crypto Asset Taxation?

(Tax) professionals, (tax) authorities, and law enforcement agents don’t have time to spend hundreds of hours learning about bitcoin, cryptocurrencies, NFTs, and crypto assets. They frequently don't know where to start. Crypto investors don’t have time to read thousands of pages about law.

That's why we decided to develop the Ultimate Guide to Taxation & Regulation of Crypto Assets.

It's the only course on the market that covers everything from an international taxation perspective.

OUR Services

We Educate and Consult on Crypto Assets.

Our services are tailor-made to fit your needs.

Enroll in our online courses and learn at your own pace.
Request a consultation or training.
Get weekly updates about major developments on the crypto taxation and regulation scene.

Ultimate Guide to Taxation and Regulation of Crypto Assets

@O2K’s Ultimate Guide is a step-by-step transformation. From knowing nothing about crypto to understanding fundamental and advanced crypto-related concepts that are essential to your profession.

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Tailor-Made Crypto Taxation & Regulation Training

@O2K offers in-person or online trainings and consultations that fit the educational needs of (tax) lawyers, tax authorities, law enforcement agencies, finance professionals, in-house professionals, and crypto investors.

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Comming soon

Weekly Crypto Tax & Regulation News Updates

The crypto assets industry is moving at a lightning speed. We help you stay ahead of the pack with a ~10-minute, weekly update focused on the most important regulatory and taxation news from the crypto asset space.

Meet the experts

Antonia Eilander

I am Antonia and I have been a tax technology manager and a corporate and tax lawyer for the last 16 years.

I have experienced tax and technology from every angle: a law firm, multinational, and tax authorities. I worked for AKD Lawyers Benelux, Thomson Reuters and IBFD.

Watch my intro
Photograph of Antonia Eilander

Online Trainer

I am a certified online trainer and have trained Fortune 500 companies and governments.

Tax Professional

I hold an advanced international tax law degree (LLM) from Tilburg University, the Netherlands.

Legal Expert

I also hold a postgraduate European Law degree from Portsmouth University, UK.


I became fascinated with crypto assets in 2020 and focused my career on them. Founded @O2K and Crypto Tax Forum in 2020.

Photograph of Vladislav Dramaliev
Meet the experts

Vladislav Dramaliev

I am Vladislav "Vlad" Dramaliev and blockchain technology and crypto assets have been both a passion and a career for almost a decade.

Since 2013, I have launched several startups and joined a number of projects in the crypto space. I have helped thousands of people understand cryptocurrencies, blockchains, and the foundational principles behind permissionless ledgers.

Watch my intro


I launched the first online crypto broker in Bulgaria (2013) and the first bitcoin-only charity in Europe (2014).


I am a founding member of the Bulgarian Bitcoin Association and the Balkan Blockchain Association.


In 2016 I co-founded the largest offline crypto community in Bulgaria - Sofia Crypto Meetup.


I have published numerous articles on blockchain-related topics and given talks about Bitcoin, crypto, DeFi, and Web3.

We have it all

Unique Features

Our Ultimate Guide online course-bundles are your one-stop-shop for deep knowledge on a wide range of crypto-asset related topics. They cover both - the technological and taxation/regulatory aspects of crypto assets.

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@O2K's Ultimate Guide is the first product to combine technological fundamentals of crypto assets and blockchain technology with international regulatory and taxation approaches.

International Coverage

The reach of @O2K's educational content is international. We cover crypto taxation and regulation approaches in multiple jurisdictions to bring you the big picture.

Blockchain Certificate

Upon successful completion of any of our courses/bundles, your certificate will be uploaded and secured by the NEAR blockchain in collaboration with ReCheck.

Live Q&A Sessions

@O2K offers the only educational resource that features direct interaction with the authors. If you find a concept too challenging or need some clarification - just join one of our weekly live Q&A sessions.

Peer-Reviewed Content

The information featured in our courses is based on feedback acquired during review sessions with professionals that fall within our target audiences. We have spent hours improving @O2K’s educational content to maximize its utility to you.

Pay in Crypto Assets

You can purchase all @O2K products using crypto assets. We accept BTC, ETH, USDT, USDC, and DAI. If you want to pay in a different cryptocurrency, get in touch.


Download Our Brochure

Download @O2K's informational brochure in English, Portuguese, and Russian for a concise overview of our mission and services.

English version.

Download EN

Portuguese version.

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Russian version.

Download ru