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Daily crypto briefing

What makes a blockchain bridge a favorite exploit target

October 28, 2026

Bridges have to custody or mint assets based on messages from another chain, which means their security often reduces to a small multisig or a handful of validators — a much smaller attack surface than the base layers they connect. Historically, bridge hacks account for a disproportionate share of total DeFi losses relative to how much value they typically hold.

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