The Phantom Token Cloud

Real reasoning-token embeddings cluster tightly in projected 3D space; phantom billing tokens scatter as noise outside the CoIn detection boundary. Toggle inflate to inject phantom tokens and watch 94.7% get flagged outside the wireframe sphere. Drag to orbit.

3d scene WebGL · Three.js LLMs Security Jun 23, 2026

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The Phantom Token Cloud — drag to orbit · tap ⚡ Inflate billing 5× to inject phantom tokens · tap ✓ Reset to restore clean billing view open artifact ↗

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LLMs Security Research

The Phantom Token Bill: Auditing Hidden Reasoning Charges in On-Chain AI Escrow

Reasoning models hide their chain-of-thought but bill for every token of it. CoIn proves a provider can inflate that hidden count 5× with 94.7% detection — but only if the escrow contract enforces a commitment root before payment clears.

Jun 23, 2026 7 min read ⬢ interactive