In August 2026, the Vottun Bridge linked to the Qubic network was exploited in a security incident separate from Qubic's October 18, 2026 wallet drain

Thefts and exploits that drain funds from exchanges, protocols and bridges, with their post-mortems, laundering routes and recoveries.

Technologies that let separate blockchains exchange assets and messages, including bridges, cross-chain messaging protocols, and shared security layers.