He spotted a fatal flaw in Ethereum that no one else saw. Everyone...
Kevin Henrikson@kevindegods
3 views
Feb 23, 2025
1
He spotted a fatal flaw in Ethereum that no one else saw.
Everyone called him paranoid.
His own community thought he'd lost his mind.
7 years later, that "paranoid" decision prevented a $100B catastrophe.
Here's the untold story of crypto's most controversial pivot:
Everyone called him paranoid.
His own community thought he'd lost his mind.
7 years later, that "paranoid" decision prevented a $100B catastrophe.
Here's the untold story of crypto's most controversial pivot:
2
In 2015, Ethereum was Vitalik Buterin's masterpiece.
A blockchain that could run any application, not just currency.
The community was thrilled. Developers flocked to build.
But late at night, Vitalik noticed something disturbing in the code:
A blockchain that could run any application, not just currency.
The community was thrilled. Developers flocked to build.
But late at night, Vitalik noticed something disturbing in the code:
3
The very foundation of Ethereum had a ticking time bomb.
Its energy consumption wasn't just growing linearly...
It was growing exponentially.
At this rate, the entire system would eventually collapse. But that wasn't the worst part:
Its energy consumption wasn't just growing linearly...
It was growing exponentially.
At this rate, the entire system would eventually collapse. But that wasn't the worst part:
4
The real problem?
Ethereum's Proof of Work system was creating hidden centralization.
Mining pools were consolidating power.
The dream of decentralization was slowly morphing into the very thing crypto sought to destroy:
Ethereum's Proof of Work system was creating hidden centralization.
Mining pools were consolidating power.
The dream of decentralization was slowly morphing into the very thing crypto sought to destroy:
5
By 2017, Vitalik couldn't sleep.
He ran the numbers again and again.
Each calculation confirmed his worst fears:
Ethereum's core architecture was fundamentally flawed.
What he did next would divide the entire crypto world:
He ran the numbers again and again.
Each calculation confirmed his worst fears:
Ethereum's core architecture was fundamentally flawed.
What he did next would divide the entire crypto world:
6
Instead of quick fixes, Vitalik proposed something radical:
Completely rebuild Ethereum's engine while it was running.
Switch from Proof of Work to Proof of Stake.
The backlash was brutal:
Completely rebuild Ethereum's engine while it was running.
Switch from Proof of Work to Proof of Stake.
The backlash was brutal:
7
Core developers threatened to leave.
Mining pools mobilized against him.
"You'll destroy everything we built."
But Vitalik saw something in the data that others missed:
Mining pools mobilized against him.
"You'll destroy everything we built."
But Vitalik saw something in the data that others missed:
8
Proof of Work wasn't just unsustainable.
It was a trojan horse:
• Silently centralizing power
• Pricing out regular users
• Creating environmental disaster
The solution would take years. But the alternative was extinction.
It was a trojan horse:
• Silently centralizing power
• Pricing out regular users
• Creating environmental disaster
The solution would take years. But the alternative was extinction.
9
For 5 years, he worked in the shadows.
While others chased NFT riches, Vitalik focused on the foundation.
The crypto world thought he'd lost his edge.
But he was actually orchestrating the most ambitious upgrade in crypto history:
While others chased NFT riches, Vitalik focused on the foundation.
The crypto world thought he'd lost his edge.
But he was actually orchestrating the most ambitious upgrade in crypto history:
10
September 15, 2022: "The Merge" went live.
The impossible became possible.
Ethereum switched to Proof of Stake without a single hiccup.
The results shocked everyone:
The impossible became possible.
Ethereum switched to Proof of Stake without a single hiccup.
The results shocked everyone:
11
• 99.95% reduction in energy consumption
• Power returned to regular users
• True decentralization restored
But here's what most people missed:
• Power returned to regular users
• True decentralization restored
But here's what most people missed:
12
The Merge wasn't just a technical upgrade.
It was proof that even massive systems can evolve.
That the courage to admit fundamental flaws can save billions.
This changed everything:
It was proof that even massive systems can evolve.
That the courage to admit fundamental flaws can save billions.
This changed everything:
13
Today, Ethereum's Proof of Stake model is the gold standard.
The "paranoid" decision became the blueprint.
Sometimes the bravest thing isn't starting a revolution...
It's admitting your revolution took a wrong turn.
See the results live: ultrasound.money
The "paranoid" decision became the blueprint.
Sometimes the bravest thing isn't starting a revolution...
It's admitting your revolution took a wrong turn.
See the results live: ultrasound.money
14
Want to master the founder mindset and build better?
Join Founder Mode for free weekly insights on startups, systems, and personal growth: foundermode.kit.com
Join Founder Mode for free weekly insights on startups, systems, and personal growth: foundermode.kit.com
15
I hope you've found this thread helpful.
Follow me @kevinhenrikson for more.
Like/Repost the quote below if you can:
Follow me @kevinhenrikson for more.
Like/Repost the quote below if you can:
View Tweet
16
Video credits:
• YT link youtube.com/watch?v=eSPaNV…
• YT link youtube.com/watch?v=RZGfeO…
• YT link youtube.com/watch?v=-bTPmW…
• YT link youtube.com/watch?v=33AYOs…
• YT link youtube.com/watch?v=eSPaNV…
• YT link youtube.com/watch?v=RZGfeO…
• YT link youtube.com/watch?v=-bTPmW…
• YT link youtube.com/watch?v=33AYOs…