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How are you, hacker? 🪐Want to know what’s trending right now?: The Techbeat by HackerNoon has got you covered with fresh content from our trending stories of the day! Set email preference here. ## Why Your “Profitable” Backtest Fails the Moment You Go Live By @grigorychikishev [ 6 Min read ] Latency, queue position, market impact, and adverse selection all distort the theoretical edge a model appears to have. Read More. Enabling BDX On-Ramp and Off-Ramp to Onboard […]

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Autonomous agents are increasingly deployed in both offensive and defensive cyber operations, creating high-speed, closed-loop interactions in critical infrastructure environments. Advanced Persistent Threat (APT) actors exploit "Living off the Land" techniques and targeted telemetry perturbations to induce ambiguity in monitoring systems, causing automated defenses to overreact or misclassify benign behavior as malicious activity. Existing monolithic and multi-agent defense pipelines largely operate on correlation-based signals, lack structural constraints on response actions, and are vulnerable to reasoning drift under ambiguous […]

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Task-free online continual learning has recently emerged as a realistic paradigm for addressing continual learning in dynamic, real-world environments, where data arrive in a non-stationary stream without clear task boundaries and can only be observed once. To consider such challenging scenarios, many recent approaches have employed prompt selection, an adaptive strategy that selects prompts from a pool based on input signals. However, we observe that such selection strategies often fail to select appropriate prompts, yielding suboptimal results despite […]

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Quantum machine learning (QML) stands at the intersection of quantum computing and artificial intelligence, offering the potential to solve problems that remain intractable for classical methods. However, the current landscape of QML software frameworks suffers from severe fragmentation: models developed in TensorFlow Quantum cannot execute on PennyLane backends, circuits authored in Qiskit Machine Learning cannot be deployed to Amazon Braket hardware, and researchers who invest in one ecosystem face prohibitive switching costs when migrating to another. This vendor […]

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How Tokenization Is Turning Gold Into a Functional Asset Amid a Fragmenting Financial System “Gold is money. Everything else is credit.” J.P. Morgan said that in testimony before Congress in 1912. For most of the century that followed, the statement felt like a relic. Today it reads less like history and more like a description of how the system is quietly reconfiguring itself. Over the past three years, central banks have accumulated gold at the fastest pace in […]

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How Philip K. Dick predicted the moral logic of AI training data and labor theft 50 years before the dataset existed Part 4 of a six-part series using science fiction as a lens for understanding AI, work, and power in 2026 and beyond. The basic tool for the manipulation of reality is the manipulation of words. If you can control the meaning of words, you can control the people who must use them. Philip K. Dick, How to […]

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This tutorial shows you how to build a complete voice agent that can have natural conversations with users. You’ll create an application that listens to speech, processes it with AI, and responds back with voice—handling the full conversation loop in real-time. You’ll use AssemblyAI’s streaming speech-to-text API for real-time transcription, OpenAI’s GPT-4 for intelligent response generation, and Python’s text-to-speech libraries for voice output. The implementation uses WebSocket connections to handle streaming audio and asynchronous processing to manage conversation […]

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OpenAI is deeply embedded in political and social discourse because AI itself is. A traditional way to shape public opinion, PR, is not effective enough to help OpenAI deal with the kinds of challenges the company faces. So OpenAI bought a media company. On April 2, OpenAI announced it is acquiring TBPN, the daily tech talk show founded in 2024 by John Coogan and Jordi Hays. OpenAI says the deal is meant to accelerate global conversations around AI, […]

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Two years back, shipping a SaaS product meant throwing a bunch of cash at devs, running out of money, and then desperately crossing your fingers that your first version wouldn’t fall over on launch day. Fast forward to now, and a solo founder with a subscription to Claude and a three-day weekend can actually get something really close to the same result. That’s genuinely great for builders, but defensibility is a different story. When everyone has access to […]

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