Sergio Demian Lerner (sergio.lerner.rsk)
@SDLerner
Founder @ http://Fairgate.io Research @ http://bitvmx.org Scientist @ http://RootstockLabs.com Prior: Founded http://coinspect.com Designed http://rootstock.io - All opinions are mine
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Looking forward to meet again with the Rootstock community at LABITCONF this week.
Our CTO @SDLerner will be speaking at @labitconf, sharing how technologies like @BitVMX are expanding the limits of what’s possible on Bitcoin. 🎙️BitVM and BitVMX: Computing on Bitcoin Made Easy 🗓️ Saturday, Nov 8th – 3:30 PM 📍Centro Costa Salguero, BA Sergio will explore how…
The latest Computing in Bitcoin News edition is here! fairgate.io/newsletter/63 Check out what's being built in disputable computing, zkrollups, bridges and other cutting edge work pushing Bitcoin into new territories. Find it below 👇
Comienza en menos de 2 horas!
📢 Atención developers en Buenos Aires 🔥 Vuelve @BitdevsBA – Seminario Socrático #7 ⚡ 🗓️ Jueves 30 de octubre · 19:00 a 22:00 (ART) 🎙️ Con una charla de @SDLerner y Pedro Prete sobre @bitvmx Si respiras código y te apasiona Bitcoin, este encuentro es para vos. Debates…
Mañana habrá una charla sobre BitVMX y BitVM para bitcoiners en el meetup de BitdevsBA .... pre-registrarse aca...
📢 Atención developers en Buenos Aires: Nuevo @BitdevsBA 💥 Jueves 30 de octubre · 19:00 a 22:00 (GMT-3) 🔥 Con una charla imperdible de @SDLerner y Pedro Prete sobre @bitvmx Entrada gratuita (registro previo)💥📍 Regístrate aquí: docs.google.com/forms/d/e/1FAI…
While we build Union, Rootstock's powpeg is still improving.... now becomes cheaper and more scalable...
What does this mean for users? • The set of pegnatories can now grow from 9 to 20, boosting decentralization and paving the way for up to 60 in the future. • Moving your rBTC back to Bitcoin is now 60% cheaper. Another milestone toward a stronger and more accessible Rootstock…
How can we build scalable, optimistic bridges directly on Bitcoin? fairgate.io/publication/29… Existing designs depend on stateful blockchains like Ethereum, but Bitcoin’s UTXO model lacks that flexibility. Enter BATTLE for Bitcoin.
A new week.... more exciting news! One update’s still missing from the newsletter: @ArkLabsHQ launched the Public BETA of Arkade (a Bitcoin L2)
Friday is here, and our latest Computing on Bitcoin News is out! fairgate.io/newsletter/62 Discover our curated selection of articles on Bitcoin bridges, rollups, zk proofs, and more. Check it out below 👇
📢 Atención developers en Buenos Aires: Nuevo @BitdevsBA 💥 Jueves 30 de octubre · 19:00 a 22:00 (GMT-3) 🔥 Con una charla imperdible de @SDLerner y Pedro Prete sobre @bitvmx Entrada gratuita (registro previo)💥📍 Regístrate aquí: docs.google.com/forms/d/e/1FAI…
At @btcplusplus Berlin our CTO @SDLerner showcased how @BitVMX - based payment channels could bring constant space for watchtowers, HTLCs with route privacy, without requiring a Bitcoin softfork. Watch the full talks on our YouTube channel 👇 youtu.be/A1aOyzAlVas
youtube.com
YouTube
Sergio Lerner @ BTC++ Berlin, October 2025
Good opportunity if you like +Research +Bitcoin +EVM +working with the nicest group of people.
RootstockLabs is hiring a Senior Researcher to help drive innovation in Bitcoin’s DeFi ecosystem. We’re looking for a curious mind with strong research experience in similar fields, sharp problem-solving skills, and the ability to turn theory into real-world impact. Apply here:…
With @bitvmx , we’re building the foundation for real-world applications on Bitcoin, bridging theory and implementation through a modular, interoperable stack. And we are hosting two events in BA this upcoming November for everyone interested to find out what we've been…
My latest paper together with Ariel Futoransky! BATTLE can greatly decentralize bridges such as Rootstock's Union.
How can we build capital-efficient, DoS-resilient bridges on Bitcoin without new opcodes or external consensus? fairgate.io/publication/29… Discover @SDLerner's BATTLE for Bitcoin, our new research combining BitVM, FLEX, and garbled circuits to enable large, open bridge…
Two of the biggest crypto events are coming to BA in November, which is why we'll be hosting two very special side events to explore @bitvmx , Fairgate’s protocol ecosystem, powering real-world Bitcoin projects. If you are building, researching, and innovating in Bitcoin, make…
BitVMX’s open source journey continues. bitvmx.org/knowledge/bitv… We’re sharing two core components: 🛰️ Operator Comms: direct TLS-based peer channels 🧩 Broker: routing, allowlists, and message flow Discover the details 👇
The only problem we should be addressing now is Bitcoin mining centralization. If we have a few pools with >51% of the hashrate, then ALL Bitcoin fraud-proof based protocols (BitVM, Ark, Lightning) can be broken using bribing contracts to censor txs. OP_RETURN? a distraction
What makes BitVMX Protocol Builder a key piece in Bitcoin protocol design? It brings structure and determinism to Bitcoin protocol engineering, mapping every possible execution as a DAG of pre-signed txs. bitvmx.org/knowledge/bitv… Read more in Diego's latest article here 👇
@btcplusplus Berlin was buzzing with builders, ideas, and great vibes! The event brought together an inspiring community pushing the boundaries of Bitcoin innovation, and we loved being part of it.
Happy Anniversary to the MoneyOnChain community!! Thanks for building the only stablecoin that would make Satoshi proud!🙏🏼
¡El protocolo #MoneyOnChain cumple 6 años! 🥳 6 años sin incidentes, con: 💵 $DOC estable como una roca ⚡️ $BPRO potenciando a los holders 🧠 $MOC asegurando la gobernanza descentralizada ¡Y todo sobre #Bitcoin! Un protocolo probado por el tiempo 🔥
@btcplusplus Berlin showed the power of the Bitcoin & Lightning community: Three days of knowledge, collaboration, and innovation. fairgate.io/post/28-bitvmx… In our latest article, we share what we discussed, what we learned, and how @BitVMX can contribute to Bitcoin Payments'…
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