Foresight News|8月 25, 2026 05:35
[Decred: Approximately 2,077.97 DCR Generated Due to Vulnerability, Decision Made Not to Roll Back to Minimize User Impact]
Foresight News reports that L1 blockchain Decred announced via a tweet that between August 16 and 17, a vulnerability in its mainnet inflation mechanism was exploited, resulting in the generation of approximately 2,077.97 DCR. This vulnerability has existed in the consensus code since the mainnet launch in February 2016 and stems from improper handling of edge cases during interactions between the regular transaction tree and the stake transaction tree, allowing double-spend inputs. The vulnerability was submitted on August 12 through a bounty program but was exploited before it could be patched.
Additionally, the team has decided not to roll back the chain to minimize the impact on users. The approximately 2,000 DCR generated does not affect the 21 million hard cap and is significantly less than the historical under-issuance of subsidies (over 215,000 DCR) due to missed votes and other reasons. The team has now developed additional double-spend monitoring services and plans to improve the emergency upgrade signaling mechanism.
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