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My journey, written down.

Thoughts on energy, digital finance, commerce and agentic development – as they happen.

Stablecoins 2027: from experiment to infrastructure
Finance · September 10, 2026

Stablecoins 2027: From Experiment to Infrastructure

Stablecoins move more money than the US ACH network, yet market capitalisation fell for the first time in four years. What the GENIUS Act triggers on 18 January 2027 and why the euro is a line in this market.

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Archive

Earlier articles

From more than 10 years of blogging: founder life, travel and the early crypto/Web3 years. German articles are in the German blog →

Tokenizing real-world assets: the quiet trend
Finance

Tokenizing Real-World Assets: The Quiet Trend

September 9, 2026
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Cardmarket, Broken Down: the numbers, the fees and a closing interface
Commerce

Cardmarket, Broken Down: The Numbers, the Fees and an Interface That Is Closing

September 8, 2026
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Germany's new retirement account: how one law redistributes a market
Finance

Germany's New Retirement Account: How One Law Redistributes a Market

September 7, 2026
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Split Air Conditioning and the Subsidy Question: What the Rules Actually Say
Energy

Split Air Conditioning and the Subsidy Question: What the Rules Actually Say

September 6, 2026
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Heat Pump Subsidies: The Mandate Is Gone, the Money Is Running Out
Energy

Heat Pump Subsidies: The Mandate Is Gone, the Money Is Running Out

September 5, 2026
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Solar Subsidies: What Is Left in 2026 and Where the Money Moves Next
Energy

Solar Subsidies: What Is Left in 2026 and Where the Money Moves Next

September 4, 2026
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Turning Forty: Over Twenty Years in Business, and the Best Is Yet to Come
Founder Life

Turning Forty: Over Twenty Years in Business, and the Best Is Yet to Come

September 3, 2026
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Feed-in Tariffs in Decline: Who Earns When the Subsidy Disappears
Energy

Feed-in Tariffs in Decline: Who Earns When the Subsidy Disappears

September 2, 2026
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Card cleaning: where card care ends and doctoring begins
Commerce

Card Cleaning: Where Card Care Ends and Doctoring Begins

September 2, 2026
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Ten Years of Gründerfreunde: What Grew Out of a Blog About Real Life
Founder Life

Ten Years of Gründerfreunde: What Grew Out of a Blog About Real Life

September 1, 2026
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Dynamic Grid Fees: The Overlooked Lever for Lower Power Bills
Energy

Dynamic Grid Fees: The Overlooked Lever for Lower Power Bills

August 31, 2026
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One Year of the EU AI Act: What Compliance Actually Cost on This Site
AI

One Year of the EU AI Act: What Compliance Actually Cost on This Site

August 30, 2026
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What a BESS EPC Contractor Actually Does
Energy

What a BESS EPC Contractor Actually Does

August 29, 2026
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The MCP Standard: How AI Agents Finally Connect to Real Systems
AI

The MCP Standard: How AI Agents Finally Connect to Real Systems

August 28, 2026
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Securing Land for Battery Storage: What a Lease Really Costs
Energy

Securing Land for Battery Storage: What a Lease Really Costs

August 27, 2026
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E-Commerce Germany: Where Retail Is Growing and Where Live Commerce Fits
Commerce

E-Commerce Germany: Where Retail Is Growing and Where Live Commerce Fits

August 26, 2026
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How to spot fake Pokémon cards: light test, print quality and slab checks
Commerce

How to Spot Fake Pokémon Cards: The Light Test, Print Quality and the Real Numbers Behind the Counterfeit Market

August 26, 2026
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My AI Stack as a Founder in 2026: What Agents Take Over, and What They Don't
Founder Life

My AI Stack as a Founder in 2026: What Agents Take Over, and What They Don't

August 25, 2026
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Crypto ETFs With Staking Yield: What Actually Works in 2026, and What Doesn't
Finance

Crypto ETFs With Staking Yield: What Actually Works in 2026, and What Doesn't

August 24, 2026
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TikTok Shop 2026 for Small Retailers: Is It Worth Getting In?
Commerce

TikTok Shop 2026 for Small Retailers: Is It Worth Getting In?

August 23, 2026
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Card Grading 2026: PSA, CGC or Local Graders, What Pays Off
Commerce

Card Grading 2026: PSA, CGC or Local Graders, What Pays Off

August 22, 2026
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Are Trading Cards an Asset Class? What's Real and What Isn't
Commerce

Are Trading Cards an Asset Class? What's Real and What Isn't

August 21, 2026
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Why Live Shopping Is So Addictive: The Psychology Behind the Buy
Commerce

Why Live Shopping Is So Addictive: The Psychology Behind the Buy

August 20, 2026
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Trust as a Business Model: What Collector Communities Teach Us About Commerce
Commerce

Trust as a Business Model: What Collector Communities Teach Us About Commerce

August 19, 2026
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What a slab is: how a card becomes a rated object
Commerce

What a Slab Is: How a Card Becomes a Rated Object

August 19, 2026
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Live Commerce in Germany: Why the Market Tips in 2026
Commerce

Live Commerce in Germany: Why the Market Tips in 2026

August 18, 2026
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The Live Commerce Market in Numbers: Why We're Building Slabhit Now
Commerce

The Live Commerce Market in Numbers: Why We're Building Slabhit Now

August 17, 2026
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251 Billion and Still Pulling Out: Why a Holding Sees Postponed IPOs Differently
Finance

251 Billion and Still Pulling Out: Why a Holding Sees Postponed IPOs Differently

August 16, 2026
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The Revenue Stack of a Grid Battery: Where the Money Actually Comes From
Energy

The Revenue Stack of a Grid Battery: Where the Money Actually Comes From

August 15, 2026
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141,006 Test Runs, Three Escapes: What I Changed in My Own Agents
AI

141,006 Test Runs, Three Escapes: What I Changed in My Own Agents

August 14, 2026
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Petition 201716: what a Bundestag petition achieves
Finance

Petition 201716: What a Bundestag Petition Achieves

August 13, 2026
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Crypto holding period: what the German bill actually says
Finance

Crypto Holding Period: What the German Bill Actually Says

August 12, 2026
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Live shopping for trading cards: Whatnot, eBay Live, TikTok Shop and Voggt compared
Commerce

Live Shopping for Trading Cards: Whatnot, eBay Live, TikTok Shop and Voggt Compared

August 12, 2026
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911 Million Shares in a Single Day: What the SpaceX Unlock Reveals About Private Valuations
Finance

911 Million Shares in a Single Day: What the SpaceX Unlock Reveals About Private Valuations

August 11, 2026
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400 Gigawatts Want In: What Is Really Sitting in Germany's Battery Storage Queue
Energy

400 Gigawatts Want In: What Is Really Sitting in Germany's Battery Storage Queue

August 10, 2026
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Whatnot fees and valuation: what selling trading cards really costs
Commerce

Whatnot Fees and Valuation: What Selling Trading Cards Really Costs

August 10, 2026
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Why 40% of AI Agent Projects Fail, and How to Be in the 60%
AI

Why 40% of AI Agent Projects Fail, and How to Be in the 60%

August 9, 2026
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What an announced deadline does to a market: solar, heat pumps, air conditioning
Energy

What an Announced Deadline Does to a Market: Solar, Heat Pumps, Air Conditioning

August 9, 2026
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GEO Not SEO: How to Get Cited in ChatGPT, Gemini and Perplexity
AI

GEO Not SEO: How to Get Cited in ChatGPT, Gemini and Perplexity

August 7, 2026
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Germany's Smart Meter Rollout 2026: Why It Stalls and How to Get One Anyway
Energy

Germany's Smart Meter Rollout 2026: Why It Stalls and How to Get One Anyway

August 5, 2026
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MiSpeL Explained: Germany's New Rules for Battery Storage
Energy

MiSpeL Explained: Germany's New Rules for Battery Storage (BESS) and Charging Points

August 5, 2026
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Split air conditioning: costs, benefits and the refrigerant question
Energy

Split Air Conditioning in Germany: What It Costs, What It Delivers and What to Watch in 2026

August 5, 2026
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Dynamic Electricity Tariffs 2026: Who Really Benefits and Who Does Not
Energy

Dynamic Electricity Tariffs 2026: Who Really Benefits and Who Does Not

August 4, 2026
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Energy Trading Meets AI: Where Agents Already Help on the Power Market
AI

Energy Trading Meets AI: Where Agents Already Help on the Power Market

August 3, 2026
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BESS Explained: Why Battery Storage Is Becoming the Backbone of the Energy Transition
Energy

BESS Explained: Why Battery Storage Is Becoming the Backbone of the Energy Transition

August 2, 2026
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When Agents Pay: Why AI Agents Need Their Own Payment Rails
AI

When Agents Pay: Why AI Agents Need Their Own Payment Rails

August 1, 2026
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DAC8: Why the Tax Office Will Know More About Your Crypto From 2026
Finance

DAC8: Why the Tax Office Will Know More About Your Crypto From 2026

July 31, 2026
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Will the One-Year Holding Period Fall? What the 2026 Crypto Tax Debate Means
Finance

Will the One-Year Holding Period Fall? What the 2026 Crypto Tax Debate Means

July 30, 2026
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Crypto 2026: What Really Remains After the Euphoria
Finance

Crypto 2026: What Really Remains After the Euphoria

July 29, 2026
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Stablecoins and the Quiet Rebuild of Payments
Finance

Stablecoins and the Quiet Rebuild of Payments

July 28, 2026
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The EU AI Act from August 2026: What Founders and SMEs Must Do Now
AI

The EU AI Act from August 2026: What Founders and SMEs Must Do Now

July 27, 2026
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From Hamburg to Berlin: Why Handshake Mentality Wins in Tech
Founder Life

From Hamburg to Berlin: Why Handshake Mentality Wins in Tech

July 26, 2026
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From a Budget PC to Autonomous Agents: 20 Years at the Keyboard
Founder Life

From a Budget PC to Autonomous Agents: 20 Years at the Keyboard

July 26, 2026
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What Is an AI Agent, Really? And What Just Sounds Like One
AI

What Is an AI Agent, Really? And What Just Sounds Like One

July 25, 2026
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The Autonomous Organization: When People Decide and Agents Execute
AI

The Autonomous Organization: When People Decide and Agents Execute

July 25, 2026
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Slabhit live show with graded Pokémon card, sneakers and collectibles
Commerce

Slabhit: Why We're Rebuilding Live Shopping for Trading Cards and Looking for Beta Testers

July 22, 2026
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Rebuilding My Website with AI Agents
AI

Rebuilding My Website with AI Agents: Why the New Site Was Born AI-first

July 21, 2026
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Moltbot Explained
AI

Moltbot Explained: Why an AI Agent Shows How Entrepreneurs Will Lead in 2026

January 29, 2026
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2020 Review
Founder Life

2020 Review

December 17, 2020
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No Time for Updates -Just Sprints
Founder Life

No Time for Updates -Just Sprints

August 20, 2020
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100 Day Sprint for ePilot Mobility
Energy

100 Day Sprint for ePilot Mobility

June 24, 2020
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Business Resume in Times of Covid-19
Founder Life

Business Resume in Times of Covid-19

May 20, 2020
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Remaining Positive
Founder Life

Remaining Positive

March 31, 2020
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New Milestones and Countries for ePilot
Energy

New Milestones and Countries for ePilot

February 27, 2020
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What can you do in 3 days?
Founder Life

What can you do in 3 days?

January 29, 2020
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Welcome to the Age of Voice
AI

Welcome to the Age of Voice

December 19, 2019
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Crypto Update
Finance

Crypto Update

November 28, 2019
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The Big 3 for the Next 3 Weeks
Founder Life

The Big 3 for the Next 3 Weeks

November 6, 2019
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Everything Can Be Optimized
Founder Life

Everything Can Be Optimized

September 23, 2019
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eMobility as a Service with ePilot
Energy

eMobility as a Service with ePilot

August 8, 2019
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Startups, Corporates and Innovation
Founder Life

Startups, Corporates and Innovation

June 12, 2019
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Medical Cannabis or Cosmetic? Taking risks or ROI Rewards
Commerce

Medical Cannabis or Cosmetic? Taking risks or ROI Rewards

May 22, 2019
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12 Month Founder Update
Founder Life

12 Month Founder Update

April 18, 2019
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