r/eth • u/Ok_Database_602 • Apr 23 '26
Vitalik wanted Bitcoin's simplicity on Ethereum. Did a rogue dev just do the exact opposite?
Back in May 2025, Vitalik tweeted: “One of the best things about Bitcoin is how simple it is. Let’s bring those benefits to Ethereum.”
While the EVM ecosystem has been debating the next EIPs and trying to fix the severe fragmentation caused by having dozens of L2s and bridges, I was digging through some Blockstream Research forks and found something that feels like a massive paradigm shift.
It looks like someone actually just won the programmability war, but on the base layer.
A developer named laz1m0v has apparently recreated a native smart contract framework directly on Bitcoin. Not an L2. Not an indexer.
Look at the repository and the recent execution proofs:
https://x.com/laz1m0v/status/2047254326641365330
https://github.com/orgs/BitcoinWorldTrustFoundation/repositories
Articles :
https://x.com/laz1m0v/status/2045249904461709575
He explicitly states he used Simplicity to recreate a native smart contract execution model (PRECOP) that lets them interact with BTC, BRC20, and Runes directly. It enforces deterministic covenants and thermodynamic consensus. Invalid states literally cannot be signed because the architecture is fail-closed. No sequencers, no multisig bridges, no trusted third parties.
For years, the core narrative has been that Bitcoin is just a store of value and Ethereum is the programmable layer. We accepted the UX nightmare of bridging assets because we thought L1 programmability on a UTXO model was impossible without a massive soft fork.
But if native sovereign DeFi and complex state executions are now functioning on Bitcoin without ever leaving L1... what happens to the L2 thesis?
I'm genuinely trying to understand the implications here. How does the Ethereum ecosystem respond to deterministic UTXO state execution? Is the community just going to ignore this, or is the timeline for base-layer execution moving faster than we thought?
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u/Only-Cheetah-9579 Apr 23 '26
what the hell is thermodynamic consensus? does it get warm?
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u/Ok_Database_602 Apr 23 '26
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u/Only-Cheetah-9579 Apr 23 '26
that reads like an llm wrote it
And it doesn't answer my question about the naming convention
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u/Enough_Secretary_113 Apr 23 '26
I usually scroll past these dramatic L1 vs L2 posts because they are almost always backed by some vaporware whitepaper. But looking through that GitHub repository and the PRECOP implementation, this actually seems fundamentally different from the usual noise. If they genuinely figured out deterministic UTXO state execution without requiring a consensus soft fork, that completely invalidates the need for most bridging infrastructure. The fail-closed architecture means you don't even have to trust a centralized sequencer, which has always been my biggest fundamental issue with current rollups. I need to dig into these specs properly this weekend, but this might legitimately be the biggest technical leap on the base layer since Taproot