
Bitcoin, Fiat & Rock´n´Roll – The finance podcast between the traditional and the future financial system built on blockchain
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Making Bitcoin accessible: Interview with Relai CEO Julian Liniger
In this episode of the podcast Bitcoin, Fiat & Rock and Roll, host Alex sat down with Julian Liniger, CEO of Relai, to discuss the company’s ambitious expansion plans across Europe. The mission: Making Bitcoin accessible.

Bitcoin Reserve, Trump Inauguration & Agentic AI | News-recap January
In this episode of ‚Bitcoin, Fiat & Rock’n’Roll‘ (BFRR), we dive deep into the seismatic shifts reshaping the landscape of blockchain adoption in January 2025. Following Trump’s inauguration and Bitcoin’s ATH at $109,356, our expert panel unpacks the implications of potential strategic crypto reserves and evolving regulatory frameworks.

Smart Contracts in Action: Siemens’ Blockchain Journey
How does Siemens use blockchain technology in cash management and payments In this episode of 'Bitcoin, Fiat & Rock’n’Roll' (BFRR), Co-Host Manuel interviews Heiko Nix, global head of cash management and payments at Siemens Treasury. After a short presentation of his Career at Siemens and how Siemens treasury operates, Heiko explains what cash management at a multinational corporation like Siemens looks like and which challenges such a large corporate brings for payments and cash management. Heiko then explains which blockchain technology Heiko uses and explains the use cases of Blockchain...

Zero-knowledge proofs: The future of privacy?
An Introduction to zero-knowledge proofs: their potential, applications, and challenges In this episode of 'Bitcoin, Fiat & Rock'n'Roll' (BFRR), we explore zero-knowledge proofs (ZKPs), a technological innovation helping to protect privacy in our increasingly digital world. Co-host Jonas Gross discusses with Johannes Sedlmeir, postdoctoral researcher at the University of Luxembourg, how ZKPs work, their relevance, applications, and potential. They address key terminology and clarify common misconceptions. Johannes illustrates ZKPs through a simple cave analogy: Imagine being trapped in...

Our Predictions for Digital Assets in 2025
What will the co-hosts focus on in 2025 and what are their predictions for market events and the bitcoin price? In this first episode of the Bitcoin, Fiat & Rock'n'Roll (BFRR) podcast of 2025 and the debut episode of switching the podcast to English you will hear again short intros into the (professional) life of the co-hosts, about their interests and their main focus points for the podcast throughout 2025. We continue with predictions about key events of 2025 in the intersection of Crypto, Blockchain politics and the financial sector where each co-host presents 2 predictions which are...
Bitcoin, Fiat & Rock´N´Roll
The co hosts of the podcast

Dr. Alexander Bechtel
Co-Host

Dr. Michael Blaschke
Co-host

Dr. Jonas Groß
Co-host

Manuel Klein
Co-host
Podcast