Podcasts and Interviews

Jannis Langer, founder of Solomining and managing director of Bolt Engineering GmbH, has been a guest on several Bitcoin podcasts. These are the episodes in which he talks about solo mining, the Bitaxe and manufacturing in Germany. All episodes are in German.

Was Bitcoin bringt (Niko Jilch) · 11.11.2025 · 68 min

3,125 Bitcoin gewinnen? So funktioniert Lotto-Mining

Jannis explains how lottery mining works and why Bitaxe and Nerdaxe are now built in Germany.

YouTube Episode page

Sound Money Bitcoin Podcast, Folge 293 · 14.10.2025 · 69 min

Mining, Macht und Zensur: Die wachsende Zentralisierung von Bitcoin

On mining pools, the market power of the large hardware makers and the risk of censorship in the Bitcoin network.

YouTube Spotify

Blocktrainer · 17.08.2025 · 45 min

Bitcoin-Mining zuhause: Bitaxe erklärt

Interview about Jannis' path into mining, the many Bitaxe manufacturers and production in Germany.

Nodesignal, E234 · 06.06.2025 · 63 min

Bitaxe trifft deutsche Ingenieurskunst

On Solomining's business model, manufacturing in Germany and the market for open-source miners.

YouTube Episode page

Was Bitcoin bringt (Niko Jilch) · 12.03.2025 · 17 min

Wieder hat ein Solominer zugeschlagen

Short conversation about a block found with a Bitaxe in March 2025.

Bitcoin verstehen, Episode 251 · 02.03.2025 · 65 min

Bitcoin-Mining wird zensiert, und keiner spricht darüber

On pool centralisation, block templates and censorship. From minute 40 the talk is about the Bitaxe at Solomining.

YouTube Spotify Episode page

21Focus, Der Bitcoin-Unternehmer Podcast, Folge 33 · 20.01.2025 · 86 min

Solomining: Mit Bitcoin zur eigenen Leiterplattenfertigung in Deutschland

Jannis talks about his path as an entrepreneur, from solar and heat pumps to founding Solomining.

Was Bitcoin bringt (Niko Jilch) · 06.12.2024 · 59 min

Endlich kann wirklich jeder Bitcoin minen

On the Bitaxe as the first home miner with a real chance of finding a block.