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Card 724 of 9832026-09-12 issue

Observed arrival · 2026-09-12

Sandwich Fly: a fruit-fly brain in the mempool

sandwichfly.com Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A playful simulation casts a 166,000-neuron fruit-fly model as a customer scanning fictional crypto transactions for MEV sandwiches.

Landing page captured for the 2026-09-12 issue.

Field notes

The interface models a fruit fly as a mempool-scanning agent, presenting neural activity, decision latency, appetite, and transaction choices as a live simulation. Its menu includes four token-pair scenarios, while the telemetry reports 1,337 simulated sandwiches eaten and 8.42 SOL in simulated MEV. A separate feed control says users can submit a historical transaction for analysis, although the extract does not verify the result of that interaction.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

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sandwichfly.com

Landing page observed 2026-09-12. The live site may have changed.