Each of the 10 demos below is a factual technical demonstration of an FHE primitive accompanying one or more sector eBooks. Everything is runnable on a standard laptop in seconds. Everything includes an interactive HTML walkthrough. The numbers shown are real — captured from actual executions.
★ demo anchor case · ● eBook that cites this primitive
Personalized skincare recommendation over an encrypted skin profile. The anchor demo — defines the didactic 9-step structure followed by the other 9.
CKKSFive hospitals compare stroke hospitalization length without exposing absolute numbers. Each discovers only its relative position.
CKKSThree banks discover common taxpayer IDs in suspect lists — without any of them seeing each other's lists. The highest strategic value demo in the set.
BGVAI vendor classifies a 28×28 mammogram without ever seeing the pixels. Logistic inference over encrypted vector.
CKKS4 hospitals train a collective sepsis prediction model. Gradients encrypted before aggregation. Solves gradient leakage attacks from pure FL.
CKKSTax authority and social security cross databases. Decryption requires 4-of-4 quorum (tax authority + social security + attorney general + data protection authority). Without quorum, nothing is revealed.
BGVPharma sends an SQL-like encrypted query to pharmacy. Pharmacy computes count under encryption. Pharma decrypts only the aggregated count.
BGVDriver encrypts driving pattern. Insurer calculates usage-based insurance discount under encryption. No invasion, no persistent profile, with 12.2% discount.
CKKSMarketplace generates catalog ranking over encrypted behavior profile. No persistent profiling. Conversion recovered without consent fatigue.
CKKSStatistical agency produces aggregated table by region for social program targeting. Each household contributes encrypted. No individual records exposed.
BGV