# Blockchain-based Fraud Prevention in Insurance Industry

> Insurance fraud causes billions in damages annually and represents one of the biggest challenges for insurers. Blockchain technology provides immutable and transparent recording of transactions and claims, making fraudulent activities significantly more difficult to execute. Already 28 percent of insurance companies used blockchain solutions for detecting and reducing fraudulent claims in 2023, while 32 percent of US insurers utilized smart contracts for automating claims processing.

**Sector:** Tertiary sector · **Industry:** Insurance · **Organisation:** FraudGuard Blockchain · **Maturity level:** Pilot

Canonical URL: https://www.sapientblock.com/en/use-cases/fraudguard-blockchain-versicherungsbetrug-frueh-erkennen

## Documentation status

- **Project status:** Pilot
- **Evidence:** Evidence medium
- **Editorial review:** Ufuk Avci, 15 April 2026

## Description

Insurance fraud is a global problem: 40 billion USD in annual damage worldwide, about 10% of all claims contain fraudulent elements. Blockchain enables industry-wide early fraud detection for the first time without violating data privacy.

The classic fraud detection problem: Insurers cannot check whether an applicant has insured the same vehicle with three different insurers and billed three times. Data is siloed; data protection prevents exchange. Blockchain solution with zero-knowledge proofs: Insurers register claims (as hash fingerprints) on a shared blockchain; when a new claim is filed, it is checked whether an identical hash already exists — without sharing the actual claim data. Potential fraud patterns (identical claim descriptions, suspicious timing patterns) become immediately visible. B3i (Blockchain Insurance Industry Initiative): Founded in 2016 by 15+ major insurers (Allianz, Zurich Insurance, Munich Re, Swiss Re, Hannover Re). Goal: shared blockchain infrastructure for the insurance market. Business Research Insights (market research) and Fortune Business Insights analysed growth potential — Fortune estimates the blockchain insurance market at over 34 billion USD by 2030.

## Benefits

- Reduction of fraud costs through precise pattern recognition and automated defence against fraudulent claims.
- Faster claims processing through automated legitimacy checks of valid claims.
- Automated detection of fraud patterns reduces human error and significantly accelerates claims assessment.
- Immutable data storage builds trust among all parties and enables seamless traceability of claims.
- Transparent processes improve compliance and facilitate cooperation with regulatory authorities.
- Relief from repetitive verification tasks allows focus on complex cases and improves work quality.

## Challenges

- High investment costs for blockchain infrastructure and staff training represent a significant financial burden.
- Regulatory uncertainties hinder adoption, as 24 percent of insurers cite unclear regulations as the main obstacle.
- Integration with existing legacy systems is complex and costly, with 20 percent of projects affected by integration issues.
- Necessary training and adaptation to new workflows can lead to temporary uncertainty and resistance.

## Technology foundation

Private blockchain networks dominate with a 62 percent market share in 2024 and are particularly suitable for fraud prevention, as they can securely and transparently share sensitive insurance data among authorised participants. Smart contracts automate claims assessment and can detect suspicious patterns in real time, automatically flagging or blocking fraudulent claims.

## Sources

- [Business Research Insights - Blockchain in Insurance Market](https://www.businessresearchinsights.com/de/market-reports/blockchain-in-insurance-market-125153)
- [Fortune Business Insights - Blockchain im Versicherungsmarkt](https://www.fortunebusinessinsights.com/de/blockchain-im-versicherungsmarkt-108855)