Validium Vulnerabilities

Vulnerability

Validium architectures, while offering scalability benefits over traditional Layer 2 solutions, introduce specific vulnerabilities stemming from their data availability model. Unlike optimistic rollups which post transaction data on-chain, Validiums rely on a committee or external data availability provider to ensure data is accessible. This reliance creates a single point of failure; if the data provider acts maliciously or experiences a catastrophic failure, users may lose access to their funds and transaction history, effectively rendering the Validium unusable.