Harmony says CrossShard receipt replay bug enabled unauthorized minting, including 400 million ONE
AI Market Summary
Harmony disclosed a CrossShard receipt replay bug that enabled unauthorized ONE issuance, with confirmed minting of ~400M ONE and a reported forged cross-shard total near 3.01T pending verification. Although an emergency patch was activated Aug 12, cross-chain services are paused and the network is coordinating a rollback to a pre-incident block with validators and exchanges. The incident elevates counterparty, settlement, and operational risks around ONE.
Impact level
● High
Affected assets
ONE/USDT-9.01%
AI Insight · ONE/USDTAI Insight
▼ Bearish
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Harmony said a CrossShard Receipt Replay bug allowed valid receipts to be processed multiple times, minting new tokens without corresponding deductions. The network initially confirmed 400 million ONE in unauthorized minting, while forged crossshard issuance totaled about 3.01 trillion ONE, with the team still verifying the data, according to Foresight News. Harmony said an emergency patch activated on August 12 fixed the issue and crosschain services have been paused. The team is coordinating with validators and exchanges on a rollback targeting block 92,730,034, with Shard 0 paused to support the operation.
