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Token of Power — Dividend Accounting Exploit

Incident date June 9, 2026

2 views

ActiveEthereumSmart contract exploit / Dividend order manipulationCluster: TOP-ETH-2026-06

Estimated loss

$1.1M

Victims identified

1
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Investigation

65%

Facts and investigation

Attacker: 0xff8ef7bc455a57e5893232203052ce0232b39fa2 (Pre-funded via Tornado Cash withdrawals June 9 08:xx UTC; post-exploit deposits back into Tornado Cash)

Funds moved to: 662.9 ETH ($1,112,903) drained via exploit contract deployed at 12:32:47 UTC. Cash-out: 10×100 ETH + 4×10 ETH + 5×1 ETH + 0.1 ETH deposited into Tornado Cash starting 12:43 UTC June 9. Funds considered unrecoverable.
Attacker EOA: 0xff8ef7bc455a57e5893232203052ce0232b39fa2 Exploit tx: 0xdf4dad0b05fdfca6c6f400c509805d4c937ab407243f6832b2a72a19940f56e1 — Block 25279891 — June 9, 2026 12:32:47 UTC — Method 0x60a06040 (constructor, same pattern as NovaBox) — 662.9 ETH ($1,112,903). Protocol contract (Drain target): 0x25c68c44a96518294f5b47d758f98309c6729a21 Post-exploit sequence: Drain (12:32:59) → Withdraw All (12:33:11) → Unwrap WETH (12:36:11) → Tornado Cash deposits (12:43+).

Timeline: On June 9, 2026, an attacker exploited a dividend accounting flaw in the Token of Power protocol on Ethereum. Beginning at approximately 08:00 UTC, the attacker pre-funded their wallet by withdrawing ~60 previous Tornado Cash deposits. At 12:32:47 UTC (Block 25279891), they deployed a malicious constructor contract (method 0x60a06040) that exploited the protocol's dividend distribution logic — specifically an incorrect operation order where the baseline snapshot and distribution calculation occurred before the user's stake was credited. This allowed the attacker to receive dividends on a payout their own deposit had just created, amplified by the ratio between the new deposit and the old total. A net drain of 662.9 ETH ($1,112,903) was extracted from the protocol reward pool in a single transaction. Within four minutes, the attacker initiated Tornado Cash deposits totaling over 845 ETH. Funds are considered unrecoverable.

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