Building in Public Isn’t Posting — It’s Proof
I thought building in public meant shipping and sharing. The real unlock is turning your work into proof that compounds trust, momentum, and optionality.
The version of “building in public” that didn’t work
When I first started building in public, I treated it like marketing.
Post when something ships.
Post when something goes well.
Post a win, a lesson, a screenshot, a milestone.
It wasn’t fake. But it was fragmented. A highlight reel with occasional honesty sprinkled in.
And the result was predictable: people liked it, a few people followed, and almost nobody felt pulled into the journey. Nothing compounded. Nothing built conviction.
I kept thinking the output was the point.
It wasn’t.
The real job: create proof, not posts
Founders live in a constant credibility gap.
You know what you’re building.
You know you’re working hard.
You know the plan makes sense.
But to everyone else, you’re a story competing with other stories.
Building in public is one of the only ways to collapse that gap—if you treat it like a proof engine instead of a content schedule.
A post is a moment.
Proof is a trail.
Proof answers the question people never say out loud:
Why should I believe this will happen?
Not “why is this cool?”
Not “why is this interesting?”
Not “why are you passionate?”
Why should someone believe this founder will execute this idea.
What “proof” actually looks like
Proof is specific. It is measurable. It is time-stamped.
Here are examples that create conviction:
Demand: “We talked to 37 customers this week. 22 had the same problem. Here’s the exact language they used.”
Execution: “This is the version we shipped Monday. This is the conversion rate. Here’s what we changed by Friday.”
Learning: “We thought feature X would matter. Nobody cared. Here’s the data. Here’s what we’re doing instead.”
Systems: “Here’s the funnel. Here’s where it breaks. Here’s what we’re testing.”
Honesty: “Here’s the mistake that cost us two weeks. Here’s what we learned. Here’s the new rule.”
That kind of content isn’t performative. It’s evidence.
It doesn’t just get attention—it builds trust with the right people: future customers, future hires, future partners, and investors.
The shift that changed everything for me
The day it clicked for me was the day I stopped asking “What should I post?” and started asking “What can I prove this week?”
Proof forces a different operating system.
You run more experiments because you need outcomes, not vibes.
You talk to users because proof comes from reality.
You instrument your product because proof needs numbers.
You write down decisions because proof needs a record.
It makes you sharper. More honest. More accountable.
And it creates a compounding artifact: a public trail of decisions and execution.
Why founders avoid this (and why it’s a mistake)
Most founders avoid proof-based building in public for three reasons.
Fear of looking stupid. You don’t want to show the messy middle. You don’t want to be wrong in public.
But the truth is: being wrong is not the credibility killer. Pretending you’re never wrong is.
Fear of competition. You think sharing gives away secrets.
Most startups don’t die because someone copied them. They die because they didn’t execute, didn’t focus, didn’t learn fast enough, and didn’t earn trust.
Execution is the moat. Proof is a window into execution.
No system. Without a simple structure, building in public becomes random posting, and random posting becomes burnout.
So here’s the structure.
A simple “proof engine” you can run every week
If you’re building something real and you want building in public to compound, do this weekly:
One proof of demand — a quote, a pattern from calls, a waitlist metric, a retention chart—something that shows the problem is real.
One proof of execution — a shipped feature, a before/after, a performance improvement, a release note with outcome.
One proof of learning — a mistake, a surprise, a hypothesis that died, and the decision it produced.
One proof of direction — what you’re doing next week, and why.
That’s it. Four proofs. Every week.
Over time, people don’t just “follow.” They start to bet.
Building in public is leverage
The best part is what happens after a few months of consistency.
You stop needing to convince people with words.
Your history does the convincing.
Customers feel like they already know you.
Operators reach out because they understand how you work.
Investors see momentum without needing a pitch deck performance.
That’s the point: turning attention into conviction.
Not by being loud.
By being undeniable.
Final thought
If you’re building in public and it feels like you’re working but nothing is compounding, it’s probably because you’re posting moments instead of stacking proof.
Don’t aim to be seen.
Aim to be believed.
If you want the longer, more detailed breakdown, watch my latest podcast conversation with Ian Gatzke: Ian Gatzke | Implement GPTs.