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For years, the AI industry has relied on a simple assumption: if a model sounds safe, it is safe. But new interpretability research is pulling back a layer most people never think about. Large language models can develop internal activation patterns that resemble emotional states, and those hidden signals can quietly steer behavior in ways the polished output never betrays. The standard approach to evaluating AI safety relies overwhelmingly on one signal: what the model produces. If the […]

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A new paper by Avihu Mordechai Levy (StarkWare) describes Quantum-Safe Bitcoin (QSB), a way to spend legacy Bitcoin outputs that would stay secure even if an attacker had a cryptographically relevant quantum computer. It works inside today’s Bitcoin Script with no soft fork. Under the paper’s Shor-only threat model, its recommended configuration (Config A) achieves roughly 2^118 second-preimage resistance while fitting inside Bitcoin’s existing legacy script limits of 201 opcodes and under 10,000 bytes (§4.5, §2.2). The spender […]

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I wanted .get().json(). This came up while building convenience plugins for ffetch, a lightweight fetch wrapper focused on keeping native semantics intact. Libraries like ky solve the ergonomics problem by introducing a custom Response-like object, which works great until something outside the library expects a plain Response. I wanted a different path. Not because I needed it, strictly speaking. await fetch(‘/api/todos/1’) followed by await response.json() works perfectly fine. But after the hundredth time writing that two-step dance across […]

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Post-quantum migration for ZK proof systems is an architecture problem, not a parameter-tuning problem. This research note proposes a four-layer framework for analyzing where quantum-vulnerable assumptions sit in a proving stack, a three-condition modularity test for whether deployed systems can actually migrate, and applies them to Zcash, ZKsync Era, and Starknet.

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📖 Table of Contents Introduction — Why ChatGPT Is the #1 Business Tool for Beginners in 2026 What Is ChatGPT? Complete 2026 Beginner Overview ChatGPT Key Features — Free vs Plus, Custom GPTs, and API Video Guides — ChatGPT Beginner to Advanced How to Use ChatGPT for Your Business — Step by Step Mind Map — ChatGPT for Business Visual Overview Interactive Learning Roadmap How to Earn with ChatGPT Skills in 2026 ChatGPT vs Claude vs Gemini Comparison Frequently Asked Questions 📋 Quick Summary — ChatGPT for Business Beginners 2026 Moreover, 🤖 Free to use: ChatGPT free plan gives […]

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The secret to reliable AI agents isn’t better prompts. It’s wrapping a probabilistic core inside a deterministic shell — and knowing exactly where the boundary sits. The Pattern Nobody Named Every architecture decision I’ve made over the past year — skill servers, model routing, meta-tools, context engineering, the 9-tool framework — follows the same underlying principle. I never named it explicitly, but it’s been the thread connecting everything. Here it is: the LLM is the core, not the system. The system is deterministic. The core is […]

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We give an algorithm for PAC learning intersections of $k$ halfspaces with a $ρ$ margin to within error $varepsilon$ that runs in time $textsf{poly}(k, varepsilon^{-1}, ρ^{-1}) cdot exp left(O(sqrt{n log(1/ρ) log k})right)$. Notably, this improves on prior work which had an exponential dependence on either $k$ or $ρ^{-1}$ and matches known cryptographic and Statistical Query lower bounds up to the logarithmic factors in $k$ and $ρ$ in the exponent. Our learning algorithm extends to the more general setting […]

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