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Security Incident · EOS Ecosystem

EOS 欢乐谷(Happy Pool) Transaction congestion attack

·Historical incident record

Hackers launched continuous attacks on the EOS quiz game EOS Happy Valley, and they have profited hundreds of EOS.

Reported loss
419 EOS
Attack category
Transaction congestion attack

Incident Overview

The game party has transferred the account balance away. Attackers still use transaction crowding out attacks. To completely fix this vulnerability, DApp developers should remove controllable variables such as account balance or time factors to participate in random number generation.

Sources & References

This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.