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jeffy yu

jeffy yu

i make stuff
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Harnessing the Hustle: Generating Randomness from Shibuya Crossing

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jeffy yu
April 29
In the realm of data security, true randomness serves as a cornerstone. Traditional methods of generating random numbers often fall short, lacking the unpredictability required for robust encryption.
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SWE Automation, The Turing Trap, and Augmentation

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jeffy yu
April 23
In the rapidly evolving landscape of artificial intelligence, software engineering finds itself at the crossroads of two transformative currents: augmentation and automation. While the allure of full automation—handing over complete control to AI—is strong, emerging evidence suggests that this path may not be the most prudent choice.
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Character-Level Processing Limitations in Large Language Models

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jeffy yu
December 15
Picture this: a cascading stream of text flows into the valves of a large language model, where not words, but characters, are the initial droplets. Yet these characters don't stay solitary for long. In the heart of this linguistic machinery, the process of tokenization swiftly corrals them into coherent groups.
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Reviving Dictionary Attacks with Custom Generated Wordlists

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jeffy yu
December 10
Dictionary attacks used to be the bread and butter of pentesting – simple, effective, and as reliable as a swiss army knife. But here's the catch: companies got wise, and passwords got complex. The once trusty wordlists are starting to resemble VHS tapes in the Netflix world. Nostalgic? Perhaps. Outdated? Definitely.
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GPT-4, Chess Parter

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jeffy yu
December 04
I’ve had more than a few discussions with GPT, discussing topics ranging from technical to philosophical to the everyday. Along the way, I got to thinking about machine learning models—like AlphaGo—that not only mastered specific games to become world champions but also evolved into entities like AlphaZero that could generalize across different games with impressive skill.
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Automating Bitcoin Market Research with GPT-4

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jeffy yu
November 26
In the realm of cryptocurrency trading, informed decision-making is paramount. Bitcoin, the progenitor of digital currency, has been characterized by its price volatility and the complexity of its market dynamics. Traditional market research methodologies often struggle to keep pace with the rapid fluctuations inherent to this asset class. The need for real-time analysis, sentiment assessment, and comprehensive market overviews is not just a luxury but a necessity for traders and investors alike.
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Transforming Text Analysis with Extended LLM Token Limits

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jeffy yu
November 17
In the field of document analysis, the evolution from manual review to automated methods has marked a significant turning point. Humans excel in grasping nuances and context, yet are vulnerable to fatigue and cognitive overload, leading to potential errors. Conversely, automated systems offer consistent processing without tiring, but they may falter in deciphering ambiguities and implicit meanings, which are intuitive to humans.
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A Case Study for LLM Book Authorship

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jeffy yu
November 14
LLMs have vaulted from tech novelty to the forefront of the creative writing scene with unanticipated rapidity. What began as a series of experiments in natural language processing has evolved into tools like GPT-4, capable of drafting intricate narratives once believed to be the sole purview of human writers.
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LLMs for Military OPSEC Document Analysis

Publisher
jeffy yu
November 08
Military operations face an ongoing challenge: safeguarding sensitive information against leaks. The increasing capabilities of large language models (LLMs) and advanced vector search technologies present new opportunities for enhancing Operational Security (OPSEC) within the military sector. This post explores the integration of these technologies into a practical tool focused on OPSEC compliance.