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Galatea
On-chain risk triage prototype with graph-based scoring and case management
Challenge entry · Palantir FDSE technical challenge · Solo builder · March 2026
Overview
Galatea is an on-chain risk co-pilot I prototyped for the Palantir FDSE technical challenge. It is designed for risk analysts at stablecoin issuers and exchanges who need to triage flagged wallet addresses and record why they made each decision.
What I built
I wrote the product requirements doc and a UI design spec modeled on Palantir's Blueprint and Gotham layouts. Then I built the prototype: Python scripts that generate and clean synthetic data, score risk on a transaction graph, and seed a case log, plus a static web app with Command Center, Address Explorer, and Case Management screens.
How it works
The synthetic dataset has 8,000 transactions across 1,200 addresses with embedded mixer, aggregator, and rapid cycling patterns. NetworkX builds a directed, weighted graph and scores each address from normalized betweenness centrality and log scaled degree, with plain language explanations for each risk driver. The scoring script documents where it departs from the PRD, such as leaving clustering out of the score because it was near zero across this sparse graph.
Status
A prototype on synthetic data only, with no live demo. The PRD lays out the production version on Foundry pipelines, Workshop, and AIP agents.