- Banking Supervision Law
- Capital Markets
- Compliance at M&A Transactions
- Supervision of Securities
- Digital Assets
Vita
- Certified Specialist Lawyer in Banking and Capital Markets Law
- Admitted to the bar since 2016
- Education and former activities
- EY Law Senior Manager 2020-2023
- Senior Associate GSK Stockmann 2016-2020
Teaching activities
- Lecturer in Banking Supervision Law at the EBS University in Wiesbaden
- Lecturer in Capital Markets Law at the University of Applied Sciences in Mainz
- Lecturer in Compliance & Corporate Governance at the Fresenius University of Applied Sciences in Wiesbaden
- Lecturer at the Frankfurt School in the Master's programme in Blockchain & Digital Assets
Professional career
Dr. Dr. Johannes Blassl is an attorney and equity partner in the Frankfurt office of Heuking Kühn Lüer Wojtek, Partnerschaft mbB. Among other things, he advises banks and companies on capital markets and regulatory issues relating to the use of blockchain technology in the financial market. He also advises companies on all compliance-related legal matters, particularly in connection with major cross-border transactions. The team led by the Frankfurt partner regularly advises banks across practice groups on establishing crypto-based business models on a legally sound footing.
Blassl is widely known in the market for advising several major banks on a range of crypto projects. Established banks and crypto-asset service providers such as dwpbank rely on Johannes Blassl when developing new crypto-based lines of business. A HEUKING team led by Dr. Dr. Johannes Blassl advised Deutsche WertpapierService Bank AG (dwpbank), a leading provider of securities services in Germany, on a BaFfn licensing procedure to add crypto-asset services. Following the successful notification of crypto-asset trading in December 2025, dwpbank can now also provide MiCAR-compliant custody of crypto-assets for end customers (crypto custody). HEUKING advised DZ BANK AG on the MiCAR authorization of its crypto platform "meinKrypto." Led by attorney Dr. Dr. Johannes Blassl, HEUKING provided DZ BANK with comprehensive advice on the notification procedure and the full contractual documentation.
HEUKING advised Hauck Aufhäuser Digital Custody GmbH (HADC), a subsidiary of Hauck Aufhäuser Lampe Bank (HAL), on a Bafin authorization procedure to provide crypto custody services. Led by attorney Dr. Dr. Johannes Blassl, HEUKING provided HADC with comprehensive advice on the MiCAR crypto custody procedure. Johannes Blassl has advised HAL's entire digital asset team on a range of projects for many years.
Blassl began his legal career in 2016 at GSK Stockmann in Frankfurt. He worked there until early 2020, most recently as a senior associate, before moving to Ernst & Young Law. While at GSK Stockmann, beginning in 2018, he advised on the first blockchain-based securities transaction between Continental, Siemens, and Commerzbank, among other matters. Dr. Dr. Johannes Blassl joined Heuking's Frankfurt office as an equity partner on January 15, 2023. The crypto and compliance expert came from Ernst & Young Law, where he was a senior manager in banking and capital markets law.
Johannes Blassl is a Certified Specialist in Banking and Capital Markets Law (Fachanwalt für Bank- und Kapitalmarktrecht). He holds doctorates in compliance and in capital markets law. At the Frankfurt School of Finance & Management, he leads the law module of the English-language master's program "Blockchain and Digital Assets." Blassl also serves as an expert in various hearings on new legislative initiatives relating to digital assets before the Federal Ministry of Justice, the Federal Ministry of Finance, and the FDP parliamentary group in the Bundestag. He speaks regularly at events and publishes articles, particularly on digital asset topics.
Affiliation
- International Bar Association (IBA)
Dr. Dr. Johannes Blassl's Distinctions
JUVE Ranking Wirtschaftskanzleien 2025/2026