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[@fede_intern](/creator/twitter/fede_intern)
"Our @class_lambda AI team wrote about linear-time transformers and implemented an LLM using linear attention. Efficient attention explained: the math behind linear-time transformers One of the key components of the Transformer architecture is the Attention layer which is in charge of making every word (or more generally every token) learn the context given by every other in a sequence and was introduced in the seminal paper Attention is all you need. In this post we will explore this equation and a specific approach that manages to improve its complexity to be linear with a few mathematical"  
[X Link](https://x.com/fede_intern/status/1977833484375781815) [@fede_intern](/creator/x/fede_intern) 2025-10-13T20:27Z 49.6K followers, 1645 engagements


"As I said a year ago @class_lambda and Ergodic are about to become a gigantic IP and memetic machine. We are finishing our first XX hour game metroidvania souls like game with @class_lambda. @lcbgamestudio is working on an amazing new card game. We are also spinning off a third gaming company. In XX years it will be clear that Lambda is the best startup generator in LATAM"  
[X Link](https://x.com/fede_intern/status/1975971728103764084) [@fede_intern](/creator/x/fede_intern) 2025-10-08T17:09Z 49.5K followers, 2298 engagements


"We are here:"  
[X Link](https://x.com/fede_intern/status/1977733593863438548) [@fede_intern](/creator/x/fede_intern) 2025-10-13T13:50Z 49.5K followers, 61.9K engagements


"Ive never been a fan of Solidity. Its a poorly designed language for many reasons yet it remains the backbone of @ethereum. What concerns me most is that many of the core tools and libraries built around it may not have long term support. Even the new Solidity compiler is currently maintained by a small amount of developers (second image). This isnt only an economic issue its a technical one. Building and maintaining large critical systems requires time continuity and deep expertise. Those things cant be replaced overnight. Ive also learned that several L2 and ZK companies are quietly winding"  
[X Link](https://x.com/fede_intern/status/1977880191969169438) [@fede_intern](/creator/x/fede_intern) 2025-10-13T23:32Z 49.5K followers, 53.5K engagements


"Everyone coming to Buenos Aires will now understand what I feel every few weeks when I need to take a XX hour flight. Asia is minimum XX hours 😂"  
[X Link](https://x.com/fede_intern/status/1978251282084213207) [@fede_intern](/creator/x/fede_intern) 2025-10-15T00:07Z 49.5K followers, 6104 engagements


"We just closed another termsheet that I think it's going to be huge for Lambda and for Ethereum. Let's go Ethereum we love you"  
[X Link](https://x.com/fede_intern/status/1978862947276353742) [@fede_intern](/creator/x/fede_intern) 2025-10-16T16:37Z 49.5K followers, 6576 engagements


"@binji_x i dont fully understand why bitcoin doesnt have a denationalized monetary policy"  
[X Link](https://x.com/fede_intern/status/1979029723293331913) [@fede_intern](/creator/x/fede_intern) 2025-10-17T03:40Z 49.5K followers, XXX engagements


"We got a libertarian president whos been bailed out twice in four months with $XX billion and now it looks like another $XX billion is on the way. Meanwhile the U.S. Treasury is effectively managing our dollar and inflation keeps rising month after month. Buy gold bitcoin and ethereum. Free markets"  
[X Link](https://x.com/fede_intern/status/1979200802334838966) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:00Z 49.5K followers, XXX engagements


"We got a libertarian president whos been bailed out twice in four months with $XX billion and now it looks like another $XX billion is on the way. Meanwhile the U.S. Treasury is managing our dollar exchange rate and inflation keeps rising month after month. Buy gold bitcoin and ethereum. Free markets"  
[X Link](https://x.com/fede_intern/status/1979201546509283497) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:03Z 49.5K followers, 10.7K engagements


"This is why we are building @loom_finance with Levenue"  
[X Link](https://x.com/fede_intern/status/1979204860282097752) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:16Z 49.5K followers, 2337 engagements


"got it yes we are talking about the same thing. i disagree. i don't think that what makes bitcoin and ethereum is just a set of objective engineering rules. i believe at the end of the day the social layer is the last line of defense. i don't think building these communities is easy. the tech is the easy part"  
[X Link](https://x.com/fede_intern/status/1979208067511185440) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:29Z 49.5K followers, XX engagements


"I decided to donate $500K to @rstormsfs legal defense. Originally we planned to give $50K but after what happened to me I need to take a clear position so everyone understands what @class_lambda stands for. I understand that the @ethereumfndn will be matching donations up to another $500K for Roman Storms defense which means our contribution can have double the impact. Our team is currently moving money to execute the transaction. It should be done in the next few hours. I'm going to sleep after not sleeping for the last XX hours. Open source and decentralization are not just philosophical"  
[X Link](https://x.com/fede_intern/status/1955048960684405110) [@fede_intern](/creator/x/fede_intern) 2025-08-11T23:29Z 49.5K followers, 181K engagements


"Im very pro Bitcoin and pro Ethereum. I also like many things of Solana Aptos and Sui. I dont get people that are so against Ethereum. Its almost like they want a good thing to lose. Ethereum community and decentralization ideals should be supported by everyone"  
[X Link](https://x.com/fede_intern/status/1959039696031408142) [@fede_intern](/creator/x/fede_intern) 2025-08-22T23:47Z 49.5K followers, 19.4K engagements


"We shipped a new release of @ethrex_client with all the updates weve been sharing here. Snap sync is now working smoothly across all networks RocksDB as default and we lowered memory usage. With the new PRs it should be using around 16GB of RAM. The biggest problem of the client is that it's taking too much disk storage. Next week we will release the path based storage that should lower disk usage. Try it out and join the telegram channel"  
[X Link](https://x.com/fede_intern/status/1973884369283502116) [@fede_intern](/creator/x/fede_intern) 2025-10-02T22:54Z 49.5K followers, 2428 engagements


"At @class_lambda were proud to back @lemoncheli and @lemonapp_ar. Lemon is in a fast track to become the biggest exchange in LATAM. Ive seen many fintechs try to simplify finance but very few manage to earn peoples trust at scale. Lemon Cash is doing both theyre building something that actually works for real people in LATAM bringing new users into crypto and steadily adding real on chain functionality that matters. Lets go Bitcoin Lets go Ethereum Lets go @lemonapp_ar"  
[X Link](https://x.com/fede_intern/status/1976024346540831193) [@fede_intern](/creator/x/fede_intern) 2025-10-08T20:38Z 49.5K followers, 35.3K engagements


"We released @ethrex_client v3.0.0. faster and smoother snap sync lower memory usage rocksdb as default and jemalloc for better performance. Release notes and install docs:"  
[X Link](https://x.com/fede_intern/status/1977064431453720733) [@fede_intern](/creator/x/fede_intern) 2025-10-11T17:31Z 49.5K followers, 2020 engagements


"Piku is returning on average a XX% APY. A relevant part of the returns come from the carry trade of the turkish lira"  
[X Link](https://x.com/fede_intern/status/1977732405772341724) [@fede_intern](/creator/x/fede_intern) 2025-10-13T13:45Z 49.5K followers, 2234 engagements


"Amazing work With @fernandezdiego and @sovraio we are doing the same in multiple countries at the state and municipality level. We will be talking about this in @EFDevcon"  
[X Link](https://x.com/fede_intern/status/1977893900791541973) [@fede_intern](/creator/x/fede_intern) 2025-10-14T00:27Z 49.5K followers, 3201 engagements


"im happy for dankrad but its obviously not good for ethereum 🤣"  
[X Link](https://x.com/fede_intern/status/1979178967497105446) [@fede_intern](/creator/x/fede_intern) 2025-10-17T13:33Z 49.6K followers, 10.4K engagements


"every time gold pumps they throw these random huge new goldmines. buy gold bitcoin and ethereum"  
[X Link](https://x.com/fede_intern/status/1979673234703614018) [@fede_intern](/creator/x/fede_intern) 2025-10-18T22:17Z 49.5K followers, 2437 engagements


"two years ago i said ethereum will be proven real time with less than 100k. were there. lambda built @ethrex_client. when zk lambda RISC vm"  
[X Link](https://x.com/fede_intern/status/1978474247379927080) [@fede_intern](/creator/x/fede_intern) 2025-10-15T14:53Z 49.6K followers, 3676 engagements


"@joaomendoncaaaa X. i'm open to bet that this is not the case. pareto and network effects are too big. X. the discussion isn't related to size but with the type of system you are building"  
[X Link](https://x.com/fede_intern/status/1979206145303535824) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:21Z 49.6K followers, XXX engagements


"Ethrex @ethrex_client has become even more important for @ethereum today. We will copy and follow the great work of @go_ethereum and @NethermindEth but in the Rust world"  
[X Link](https://x.com/fede_intern/status/1979297316696936813) [@fede_intern](/creator/x/fede_intern) 2025-10-17T21:23Z 49.6K followers, 24.4K engagements


"believe in somETHing"  
[X Link](https://x.com/fede_intern/status/1979349549086052845) [@fede_intern](/creator/x/fede_intern) 2025-10-18T00:51Z 49.6K followers, 4019 engagements


"I disagree. this way of seeing things is one of my biggest disagreements with @solana @0xMert_ and @aeyakovenko. solana is closer to web2. that's also why in general I believe they have better engineering than ethereum and bitcoin but this is also why I think we see things differently. tech is irrelevant in comparison to the cultural aspect. you can't recreate culture so easily. bitcoin isnt primarily a technological invention its an anthropological event. the tech is the simple part whats complex to recreate is the faith coordination and shared myth that turned code into a social organism."  
[X Link](https://x.com/fede_intern/status/1979967168348389390) [@fede_intern](/creator/x/fede_intern) 2025-10-19T17:45Z 49.6K followers, 17K engagements


"Some friends questioned me for doing this. But hey life is about pursuing what you believe in and having fun in the process. This is the beginning of why and how Im going rogue. I am going rogue The original promise of cryptocurrency was simple: decentralization ownership by the people and freedom from centralized control. Crypto was born to remove the middleman and to give power back to individuals. Yet today the crypto landscape looks far different from that vision. Over time some insiders hijacked the technology. They took control and undermined what was supposed to be decentralized;"  
[X Link](https://x.com/fede_intern/status/1846035499799978475) [@fede_intern](/creator/x/fede_intern) 2024-10-15T03:48Z 49.6K followers, 382.2K engagements


"I'm very proud and happy of all the work we are doing with @class_lambda in @leanEthereum Here you can read a little bit about the work we are doing in optimizing sumcheck"  
[X Link](https://x.com/fede_intern/status/1977112274637930627) [@fede_intern](/creator/x/fede_intern) 2025-10-11T20:41Z 49.6K followers, 2972 engagements


"Dear @0xMert_ Check out Neptune Cash a private L1 using STARKs post-quantum crypto and proof-of-work. Its like @Zcash but programmable or like @ethereum but private. Thanks to the trend you have helped create around privacy Neptune grew to a market cap of XXX million dollars. This is important because it will help privacy become cool again. Built by Alan Szepienie and Thorkil Vrge two minds who still believe in building things that matter. Alan is one of the best cryptographers I've met and Thorkil is not only hard working but very smart @class_lambda backed them more than two years ago. Some"  
[X Link](https://x.com/fede_intern/status/1977422487857090782) [@fede_intern](/creator/x/fede_intern) 2025-10-12T17:13Z 49.6K followers, 62.7K engagements


"Lambda would love to help and put a small grant too @0xMert_"  
[X Link](https://x.com/fede_intern/status/1977542721914155419) [@fede_intern](/creator/x/fede_intern) 2025-10-13T01:11Z 49.6K followers, 3583 engagements


"$NPT just did a 2x"  
[X Link](https://x.com/fede_intern/status/1977733312413122707) [@fede_intern](/creator/x/fede_intern) 2025-10-13T13:49Z 49.6K followers, 10.2K engagements


"Hi does anyone here have a contact at @ycombinator cc @paulg Quick context: @FuzzingLabs developed an open-source AI-driven fuzzing tool that discovered a number of significant vulnerabilities which we disclosed publicly. A competing team backed by YC @gecko_sec has since published PoCs match ours line by line and their CVE filings came after our disclosures. Id like to raise this directly with YC an intro would be very helpful. Happy to share everything. If you want to check the tool we are building to find these bugs check it in Github"  
[X Link](https://x.com/fede_intern/status/1977743038978871614) [@fede_intern](/creator/x/fede_intern) 2025-10-13T14:27Z 49.6K followers, 48.5K engagements


"@Barabazs_ @ycombinator @paulg @FuzzingLabs @gecko_sec this has nothing to do with licensing. the software is open source. the problem is attribution of a security finding. they are saying they found something they didn't. they just copied and said it's theirs when it's not. it's like me saying that I invented Bitcoin"  
[X Link](https://x.com/fede_intern/status/1977783797035716885) [@fede_intern](/creator/x/fede_intern) 2025-10-13T17:09Z 49.6K followers, 1830 engagements


"Rise @rise_chain has some of the best architectural decisions Ive ever seen. Their blog is very good. Were incorporating many of their ideas to what we designed and implemented with @gattacahq into @ethrex_client L2 mode but also with distributed ZK proving"  
[X Link](https://x.com/fede_intern/status/1977890938920845460) [@fede_intern](/creator/x/fede_intern) 2025-10-14T00:15Z 49.6K followers, 30.1K engagements


"if ethereum scales the size of the database will grow too. the same will happen with l2s. i dont like these tweets i dont think they are fair criticisms to solana since we will have the same problems. the only solution will be to prove the full chain with zk and keep the last few epochs"  
[X Link](https://x.com/fede_intern/status/1978467906116563229) [@fede_intern](/creator/x/fede_intern) 2025-10-15T14:28Z 49.6K followers, 141.3K engagements


"lambda gaming studio is looking very 😎"  
[X Link](https://x.com/fede_intern/status/1978974142977241422) [@fede_intern](/creator/x/fede_intern) 2025-10-16T23:59Z 49.6K followers, 2128 engagements


"Welcome to Argentina @EFDevcon and @ethereum. Land of futbol meat mate and eating dollars"  
[X Link](https://x.com/fede_intern/status/1979203387875864596) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:10Z 49.6K followers, 5541 engagements


"do you really believe that a corpo chain is the same thing that bitcoin or ethereum do you think a chinese company will use an american corpo chain would it work the other way around"  
[X Link](https://x.com/fede_intern/status/1979205427733618883) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:18Z 49.6K followers, 24.8K engagements


"deliver us from evil amen"  
[X Link](https://x.com/fede_intern/status/1979206849430692201) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:24Z 49.6K followers, 14.3K engagements


"I got a great VC idea. Let's raise money let's try to get all the good researchers from the EF Optimism and other L2s then we launch a token and we could also short ETH. We can also say this is for the greater good of open source and the public"  
[X Link](https://x.com/fede_intern/status/1979209854272094566) [@fede_intern](/creator/x/fede_intern) 2025-10-17T15:36Z 49.6K followers, 21.5K engagements


"Which tickets should I buy or register to - @EFDevcon - @web3privacy - @BanklessHQ summit - @eth_proofs What else I'm missing Please only answer with the best event. Thanks"  
[X Link](https://x.com/fede_intern/status/1979219322355527767) [@fede_intern](/creator/x/fede_intern) 2025-10-17T16:13Z 49.6K followers, 5879 engagements


"This is exactly why competitors of @stripe will launch their own chain instead of building on top of tempo. Corpo chains make @ethereum even more anti fragile"  
[X Link](https://x.com/fede_intern/status/1979296067196981629) [@fede_intern](/creator/x/fede_intern) 2025-10-17T21:18Z 49.6K followers, 20.1K engagements


"Believe in Ethereum"  
[X Link](https://x.com/fede_intern/status/1979599444824739877) [@fede_intern](/creator/x/fede_intern) 2025-10-18T17:24Z 49.6K followers, 5330 engagements


"Open @ChatGPTapp and ask: based on everything you know about me what harry potter house would I be in what pokemon am I what lord of the ring race am i what warhammer faction am i"  
[X Link](https://x.com/fede_intern/status/1979603576906265082) [@fede_intern](/creator/x/fede_intern) 2025-10-18T17:40Z 49.6K followers, 3684 engagements


"who would be in charge of deciding who is a core dev"  
[X Link](https://x.com/fede_intern/status/1979672039175934452) [@fede_intern](/creator/x/fede_intern) 2025-10-18T22:12Z 49.6K followers, 13.3K engagements


"During the 2008 financial crisis the U.S. injected around $XXX trillion into financial markets and the real economy. Today the U.S. is transitioning toward digital collateralization of the dollar system. Meanwhile China is growing increasingly concerned about the rise of stablecoins. Chinese exporters can now park profits in Ethereum-based stablecoins bypassing domestic controls a direct challenge to Beijings grip on capital flows. Were watching the response unfold in real time. China just injected the equivalent of $X trillion in yuan liquidity. Gold is surging. Stablecoins versus gold. The"  
[X Link](https://x.com/fede_intern/status/1979802066601029837) [@fede_intern](/creator/x/fede_intern) 2025-10-19T06:49Z 49.6K followers, 12.2K engagements


"I do agree that the "we're infallible" thikning is the enemy of progress. However I don't think the culture of Bitcoin degraded. I actually think the meme became bigger thanks to people like @ercwl @udiWertheimer @LynAldenContact and others. Bitcoin is a digital yellow rock. I don't think there should be many changes in it apart from being able to verify ZK proofs. I don't think we bitcoiners should have a mentality of "we're infallible" but I do think that doesn't mean we should have a software mentality of constantly improving things. I believe bitcoin is closer to religion than to tech:"  
[X Link](https://x.com/fede_intern/status/1979973294234407025) [@fede_intern](/creator/x/fede_intern) 2025-10-19T18:09Z 49.6K followers, XXX engagements


"Ive been saying for the past two years that the influence of @paradigm within Ethereum could become a relevant tail risk for the ecosystem. I believe this will become increasingly clear to everyone in the months ahead. Some people think I have a personal issue with them. I dont. Compared to many other crypto funds Paradigm has actually created valuable things for the community. I respect that. I would write the exact same piece for any fund that was in their position and influence in the community. Im also in the accelerationist camp of Ethereum. A big part of the core developer community"  
[X Link](https://x.com/fede_intern/status/1979984528480297374) [@fede_intern](/creator/x/fede_intern) 2025-10-19T18:54Z 49.6K followers, 53.7K engagements


"Axel Rose shouting BITCOIN Freedom Money wasnt in my checklist"  
[X Link](https://x.com/fede_intern/status/1979996985995223070) [@fede_intern](/creator/x/fede_intern) 2025-10-19T19:44Z 49.6K followers, 7349 engagements


"I hope that someday @a16z and @foundersfund crypto branches hire some capable degens tech people that understand politics and which projects to lead to be able to counterbalance paradigm. These funds are very good in web2 but I dont think they fully understand crypto how flexible and dynamic it is"  
[X Link](https://x.com/fede_intern/status/1979999384046621182) [@fede_intern](/creator/x/fede_intern) 2025-10-19T19:53Z 49.6K followers, 6638 engagements


"youre wrong because youre seeing ethereum as a piece of tech. its way more than than that. bitcoin and ethereum enable the existence of private property in the internet. they enable this for economic and engineering reasons but also for social ones. the social layer of bitcoin and ethereum is almost impossible to replicate. coordinating humans around ideas is very difficult. this cs only happen organically. you cant copy cat tech add some distribution sauce and expect people to believe in it. a chinese a russian and an american can hold bitcoin and ethereum. they can create companies on top"  
[X Link](https://x.com/fede_intern/status/1980005794977374320) [@fede_intern](/creator/x/fede_intern) 2025-10-19T20:19Z 49.6K followers, XXX engagements


"youre seeing ethereum as a piece of tech. its way more than than that. its culture and tech. bitcoin and ethereum enable the existence of private property in the internet. they enable this for economic and engineering reasons but also for social ones. the social layer of bitcoin and ethereum is almost impossible to replicate. coordinating humans around ideas is very difficult. this cs only happen organically. you cant copy cat tech add some distribution sauce and expect people to believe in it. a chinese a russian and an american can hold bitcoin and ethereum. they can create companies on top"  
[X Link](https://x.com/fede_intern/status/1980005883414458884) [@fede_intern](/creator/x/fede_intern) 2025-10-19T20:19Z 49.6K followers, 6847 engagements


"@_weidai so you believe that ETH will go higher but that most people wont use Ethereum the same way that BTC is being bought but people dont use Bitcoin"  
[X Link](https://x.com/fede_intern/status/1980008124602884251) [@fede_intern](/creator/x/fede_intern) 2025-10-19T20:28Z 49.6K followers, 3443 engagements


"@_weidai @rudolf6_ I think the difference is that Bitcoin cant move stablecoins around"  
[X Link](https://x.com/fede_intern/status/1980008200209317915) [@fede_intern](/creator/x/fede_intern) 2025-10-19T20:28Z 49.6K followers, XXX engagements


"I tend to agree. I need to study more the subject but I think FOCIL is important. Anything Im missing"  
[X Link](https://x.com/fede_intern/status/1980012057039634467) [@fede_intern](/creator/x/fede_intern) 2025-10-19T20:43Z 49.6K followers, 4689 engagements


"the AI bubble is gigantic. buy bitcoin ethereum and gold"  
[X Link](https://x.com/fede_intern/status/1980092891050463625) [@fede_intern](/creator/x/fede_intern) 2025-10-20T02:05Z 49.6K followers, 3410 engagements


"We're looking an argentinean agency to redesign @ethrex_client website. Please send an email hello@lambdaclass.com. We need something fast"  
[X Link](https://x.com/fede_intern/status/1980316510070665319) [@fede_intern](/creator/x/fede_intern) 2025-10-20T16:53Z 49.6K followers, 2092 engagements


"At Lambda we are working to add easy redundancy and failover code in @ethrex_client L2 centralized sequencer"  
[X Link](https://x.com/fede_intern/status/1980319204781039633) [@fede_intern](/creator/x/fede_intern) 2025-10-20T17:04Z 49.6K followers, 1952 engagements


"@gecko_sec @ycombinator @paulg @FuzzingLabs the PoC is literally a copy line by line of what @FuzzingLabs created. stop the bs"  
[X Link](https://x.com/fede_intern/status/1980334379785429154) [@fede_intern](/creator/x/fede_intern) 2025-10-20T18:04Z 49.6K followers, XX engagements


"@YourBuddyConner @gecko_sec @ycombinator @paulg @FuzzingLabs yes they literally copied the PoC and instead of saying sorry they are trying to turn things around"  
[X Link](https://x.com/fede_intern/status/1980334504775754028) [@fede_intern](/creator/x/fede_intern) 2025-10-20T18:05Z 49.6K followers, XX engagements


"Thanks @VitalikButerin for referencing our @class_lambda blog. If you liked Vitaliks GKR post I also recommend checking out: - GKR protocol implementation: a deep dive into the code - Optimizing Sumcheck - Whirlaway: Multilinear STARKs using WHIR as a polynomial commitment scheme - How factoring equality polynomials optimizes Sumcheck Six years ago I decided that Lambda should become a cryptography powerhouse. We already had deep expertise in offensive cybersecurity programming languages compilers distributed systems and machine learning. Cryptography was slightly outside our scope since most"  
[X Link](https://x.com/fede_intern/status/1980343243352289336) [@fede_intern](/creator/x/fede_intern) 2025-10-20T18:39Z 49.6K followers, 4692 engagements