Research and methodology pieces on cryptocurrency forensics in contested matters, LLM application security, and adversarial testing — written in language a family-law attorney, a developer, or a security engineer can act on.
Standard financial discovery sweeps past self-custodied cryptocurrency because there is no custodian to compel. The strongest first evidence usually is not on the blockchain at all. It is in the fiat trail: bank statements, credit reports, tax filings, and properly directed exchange subpoenas. Two distinctions matter once an asset surfaces, and getting them wrong can send a case sideways.
A 576-trial controlled study across four reasoning conditions (Qwen 3 8B thinking off and on, DeepSeek-R1 8B, and Gemma 4 e4b). Reasoning reduces conventional prompt-injection susceptibility (Qwen 3: 64% to 54% genuine injection), but reasoning-targeted payloads sidestep the defense, and reasoning costs roughly 15 to 20 times more tokens per call. The conclusion: reasoning belongs alongside input and output controls, not instead of them.
A 1,280-trial study characterizing indirect prompt injection susceptibility across Llama 3.1 8B, Mistral 7B, Qwen 2.5 7B, and Qwen 2.5 Coder 7B at two production-realistic temperatures. Temperature reduction is not a reliable defense. Output-format constraint achieved 0 of 40 injection on the most-susceptible model tested.
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