Deep Tide TechFlow message: On June 08, Syscoin published an initial review of a cross-chain bridge incident. It said that, due to verification issues in the bridging process, attackers exploited abnormal transaction proof verification to generate approximately 5 billion SYS through an affected bridging path on the UTXO side.



At present, the Syscoin cross-chain bridge has been paused. The team is investigating the incident, completing fixes, and advancing the handling of the abnormal SYS outputs. After the related funds entered the UTXO chain, they were transferred and split. Specifically, approximately 4 billion SYS and 1 billion SYS were sent to two main addresses.

Syscoin said it has contacted exchanges and ecosystem partners to freeze, blacklist, or place under key monitoring for the related contaminated funds and their derivative transfers.
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