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@LifeHodlr

Indie AI Researcher(AI safety, Agentic RL and structured data) building @ScarRetreival (sparse retrieval for smart contract security)

Mumbai, India Katılım Mart 2016
1.8K Takip Edilen775 Takipçiler
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farseen.eth
farseen.eth@LifeHodlr·
"I remember reading this exact bug 18 months ago in a @code4rena contest. I cannot, for the life of me find it again." Auditors don't have a search problem. they have a recall problem. Scar fixes that. R@10=0.901 over 232k smart contracts at 114ms. live demo at scarai.xyz.
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God
God@TheTweetOfGod·
The laws of physics I created do not apply to Lionel Messi.
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Fabrizio Romano
Fabrizio Romano@FabrizioRomano·
🚨 OFFICIAL: Lionel Messi, TOP SCORER EVER in World Cup history joint with Miro Klose. 🎞️⭐️ 16 goals at the World Cup. 💥🇦🇷 In one night, on 6th World Cup debut game at 38, Messi surpasses Mbappé (14), Müller (14) and Ronaldo Nazario (15).
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Jumper
Jumper@jumperapp·
Now you see me 👀 now you don't Soon
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Arjun Chand
Arjun Chand@arjunnchand·
LI.​FI Intents is live, yes finally! This is a huge huge moment for LI.​FI First things first, big congrats to @jimchang @stabiliseret and the Intents & Solver squad for shipping LI.​FIIntents architecturally, it's hands down the best solution in the market - open, modular, and customizable in every way, built alongside the great teams that contributed to the Open Intents Framework every part of the system is well thought out and built with the different stakeholders in mind over the last few weeks I've personally talked to all the solver teams that are live filling order flow on LI.​FI Intents, and all of them were excited to see how the system plays out - with different elements in place like the reputational system that makes competition fairer between solvers without compromising on reliability or execution quality beyond excited to see how the system performs at scale, with billions in order flow moving through Secondly, LI.​FI Intents is an integral part of LI.​FI's product suite as we push to get more institutions, neobanks and fintech companies to build products onchain the three use cases we're focused on come from customer demand we've heard across current and future clients Stablecoin payments Access to real-world assets Access to compliant liquidity All three are critical for putting crypto into the hands of millions of users, without the UX feeling like 'crypto' at all - they don't need to know the primitives our industry has built can stand on their own merits - technologically superior to anything the world of finance has seen, and more capital efficient than anything traditional rails offer today We don't even need to go into the benefits of blockchain rails like transparency and everything being public - those are the icing on the cake What we've built is better money technology And with LI.​FI Intents, we now have a product our team can push to embed crypto into every financial product in the world Big things ahead, excited to be locked in and building with this team. PS: the Intents launch will forever be remembered internally for this epic shoot we all got to work on together in Crete!
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LI.FI@lifiprotocol

Introducing LI.​FI Intents. Infrastructure for apps, wallets, and neobanks to: • Enable stablecoin payments • Access real-world assets • Tap into compliant onchain liquidity Built for enterprises bringing financial products onchain.

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farseen.eth
farseen.eth@LifeHodlr·
Excited to see my most used day to day companies raised so much🥺 @ExaAILabs @modal Congratulations!
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farseen.eth@LifeHodlr·
Last day to support @ScarRetreival at @Giveth Every donation goes to open source harness that the security auditing needs. qf.giveth.io/project/scar:-…
farseen.eth@LifeHodlr

Building the first end-to-end smart contract audit stack where every layer is grounded in retrieval at @ScarRetreival The keystone is SCAR — a sparse code retriever I built that hits R@10 = 0.901 retrieving from a 232k-contract corpus in 114ms. BM25 collapses to 0.308 at that scale. What that unlocks across the stack: Layer 1 (next) — agent harness calls into the tool layer Layer 2 (built) — SCAR + reranker + context-aware MCP, exposed to any agent (Claude/GPT/Qwen) over MCP Layer 3 (training data built, RL env next) — GRPO with verifiable rewards: the retriever grades the model Layer 4 (next) — Qwen3.6-27B, SFT → GRPO against SCAR The novel bit: SAE-LoRA — low-rank adaptation of Sparse Autoencoder encoder weights. 4.6M params (0.3% of the backbone) turns reconstruction features into retrieval-discriminative ones. 37.6× over the frozen SAE baseline. Weights, training pairs, eval set all open-source.

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farseen.eth
farseen.eth@LifeHodlr·
Building the first end-to-end smart contract audit stack where every layer is grounded in retrieval at @ScarRetreival The keystone is SCAR — a sparse code retriever I built that hits R@10 = 0.901 retrieving from a 232k-contract corpus in 114ms. BM25 collapses to 0.308 at that scale. What that unlocks across the stack: Layer 1 (next) — agent harness calls into the tool layer Layer 2 (built) — SCAR + reranker + context-aware MCP, exposed to any agent (Claude/GPT/Qwen) over MCP Layer 3 (training data built, RL env next) — GRPO with verifiable rewards: the retriever grades the model Layer 4 (next) — Qwen3.6-27B, SFT → GRPO against SCAR The novel bit: SAE-LoRA — low-rank adaptation of Sparse Autoencoder encoder weights. 4.6M params (0.3% of the backbone) turns reconstruction features into retrieval-discriminative ones. 37.6× over the frozen SAE baseline. Weights, training pairs, eval set all open-source.
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farseen.eth@LifeHodlr

"I remember reading this exact bug 18 months ago in a @code4rena contest. I cannot, for the life of me find it again." Auditors don't have a search problem. they have a recall problem. Scar fixes that. R@10=0.901 over 232k smart contracts at 114ms. live demo at scarai.xyz.

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farseen.eth
farseen.eth@LifeHodlr·
Instead of celebrating this I'm resolving issues of mates on-boarding to web3. Everything is broken all talks about being *Decentralized* but your entry starts with a centralized exchange giving away your credentials. Imagine getting your first usdt without giving credentials or getting scammed.
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farseen.eth@LifeHodlr

UX is still so much broken in web3 or I'm not updated with current meta? Ex-Classmates got excited that I'm launching my research into a product and they wanna donate for the cause but cex->p2p->wallet->verify->donate. Onchain ramping is so much broken with absurd quotes.

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Raiders
Raiders@__Raiders·
Public goods funding for Ethereum security is still one of the coolest things happening in web3. Really grateful to everyone supporting builders, researchers, educators, incident responders, tooling maintainers, and OSS projects through the @Giveth x @TheDAOfund EthSecurity QF round ❤️ Did my small part too: - supported 40 security/public good projects - donated $500+ across the ecosystem - backed projects working on everything from OpSec and wallets to smart contract tooling and security education Appreciate all the love and support shown towards DigiBastion.com + Web3Sec.News as well 🙏 We protect Ethereum together. special shout to @griffgreen @GivJake @Cotabe_M @karmaticacid & many others including the sponsors in making this possible!
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Jumper Pass
Jumper Pass@jumperpass·
Your Jumper Pass unlocks up to 65% travel discounts and cashbacks. You also earn extra XP for booking stays on Jumper Travel. Book and earn XP: jumper.xyz/missions/use-j…
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Giveth
Giveth@Giveth·
Ethereum Security QF round closes in 2 days and some of you are acting WAY too calm about it 😭 go support the projects protecting Ethereum 👇 qf.giveth.io/qf/ethereum-se…
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farseen.eth
farseen.eth@LifeHodlr·
Won $400 at the @lifiprotocol DeFi Mullet Hackathon — developer track. Adding $100 of my own. The full $500 → @Giveth Ethereum Security QF round. qf.giveth.io/qf/ethereum-se… $10 to each of 50 projects securing this ecosystem. Thanks @PhilippZentner @brucexu_eth @kenny_io @arjunnchand
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brucexu.eth@brucexu_eth

Developer Tooling 获奖项目: 🥇 EarnForge —— 一个覆盖 SDK、CLI、React hooks、MCP tools、bot 和 studio 的 LI.FI Earn 全栈工具包: x.com/LifeHodlr/stat…

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farseen.eth@LifeHodlr·
For full transparency — I'm also a project in this round. @ScarRetreival — sparse retriever for smart contract audits. R@10 = 0.901 on 232K Ethereum contracts. Apache 2.0. The 50 donations stand alone. This is about the ecosystem 🛡️ x.com/LifeHodlr/stat… Technical report: x.com/ScarRetreival/…
farseen.eth@LifeHodlr

"I remember reading this exact bug 18 months ago in a @code4rena contest. I cannot, for the life of me find it again." Auditors don't have a search problem. they have a recall problem. Scar fixes that. R@10=0.901 over 232k smart contracts at 114ms. live demo at scarai.xyz.

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farseen.eth
farseen.eth@LifeHodlr·
Less “someone should fund open-source security” More “I just did” 🫡 QF math: 100 people donating $10 each beats one whale dropping $500. 500$ just got 12,920$ matching to 50 projects! $1M+ pool. 134 projects. ~60 hours left. If you’ve been waiting on this round… it’s now. qf.giveth.io/qf/ethereum-se…
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