Vitalik Buterin and 5 more founders raised $900M+ betting against blockchain's scalability trilemma. See what each bet cost, and who is still paying it.
Around 2015, Ethereum co-founder Vitalik Buterin put a name to one of blockchain's biggest challenges: the scalability trilemma. Every public blockchain wants to be decentralized, secure, and scalable, but improving one often means giving up something else. Every one of these blockchain entrepreneurs and blockchain founders made a different bet on that same challenge.
Those bets attracted serious backing. Solana, Polygon, StarkWare, and Celestia alone raised more than $900 million, helping build networks that reached hundreds of billions of dollars in combined market value at their peak. Rather than deciding which approach was right, this case study explores six different ways founders tackled the scalability trilemma and the trade offs that shaped each journey.
Case Study #1: Vitalik Buterin, Ethereum — Relocate the Trilemma Instead of Pretending to Abolish It
What if the smartest solution isn't fixing the problem, but changing where it lives? That is exactly how Vitalik Buterin approached Ethereum. While many blockchain entrepreneurs searched for a way to beat the scalability trilemma, Buterin chose a different path that would shape the future of blockchain.
Snapshot
Founder | Vitalik Buterin |
Company | Ethereum (est. 2015, global; Ethereum Foundation, Switzerland) |
Model | Layer-1 smart-contract platform with rollup-centric scaling |
Scale | Second-largest cryptocurrency by market capitalization |
Philosophy | Protect decentralization at the base layer; buy scale upstairs. |
Ethereum's success quickly became its biggest challenge. As more people joined the network, transactions became slower and fees climbed. Making the blockchain faster sounded like the obvious answer, but it came with a hidden cost. It would require stronger validator hardware, making the network less decentralized, exactly the trade off the scalability trilemma warns about.
Vitalik Buterin believed some things are too valuable to sacrifice. Once decentralization is lost, getting it back is incredibly difficult. That is why Ethereum's base layer stayed careful and secure, even if it meant giving up speed.
Instead of forcing Ethereum to do everything itself, Buterin changed where the work happened. With Layer 2 scaling, thousands of transactions could be processed outside the main blockchain and then verified on Ethereum. The base layer stayed secure while the network handled far more activity.
Ethereum also took another major step forward. In 2022, The Merge replaced proof of work with proof of stake, reducing energy use by about 99.95 percent. In 2024, the Dencun upgrade dramatically lowered Layer 2 fees, making Ethereum cheaper to use. At the same time, the Ethereum Virtual Machine, or EVM, became the foundation that many other blockchain projects chose to build on.
"The base layer does not need to be fast. It needs to be impossible to capture."
The Bitter Truth
The strategy worked, but it was not perfect. Ethereum kept its main blockchain, known as Layer 1 (L1), decentralized and secure, but it also remained slower and, during periods of high demand, more expensive to use.
Most of the scaling moved to Layer 2 solutions, many of which still rely on centralized sequencers. That brings back a single point of failure, which is exactly what Ethereum's L1 was designed to avoid. In other words, the scalability trilemma was not eliminated. It simply moved to a different layer.
More than a decade after introducing the idea, Buterin only began suggesting in 2026 that the industry was finally starting to break through the trilemma.
Lessons & Playbook
Every big decision starts with knowing what you refuse to compromise. That mindset became one of Ethereum's greatest strengths.
Decide which principle matters most before building your solution. For Ethereum, it was decentralization.
Keep your foundation strong by moving demanding tasks to another layer.
Creating the standard, like the EVM, can become a bigger advantage than building the fastest blockchain.
Long term success comes from earning trust while improving step by step.
Ethereum's story shows that great blockchain entrepreneurs do not always win by removing every limitation. Sometimes, they win by making the right compromise and staying committed to it.
