TokenVault Old Smart Contract Exploited Similarly To Bankroll
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A 2021 smart contract named TokenVault, created by "donfunction.bnb" was deployed with a critical vulnerability. Similar to the Bankroll exploit, this flaw allowed attackers to drain funds from users who had granted the contract unlimited token permissions. The exploit resulted in a reported loss of $16.4k. The incident was reported by TenArmor and BlockThreat, with no signs of ongoing project activity, fund recovery, or pending investigations.
About TokenVault
The TokenVault smart contract was originally created by an entity called "donfunction.bnb" on June 29th, 2021.
Address: 0xe968d2e4adc89609773571301abec3399d163c3b
The Reality
Unfortunately, the smart contract contained a vulnerability.
What Happened
The TokenVault smart contract, created in June 2021 by "donfunction.bnb," was exploited due to a vulnerability similar to the Bankroll exploit, resulting in a $16.4k loss.
| Date | Event | Description |
|---|---|---|
| June 29th, 2021 6:03:42 PM MDT | Smart Contract Created | The vulnerable smart contract is originally created. |
| June 20th, 2025 5:19:36 AM MDT | Exploit Transaction | The exploit transaction is processed by the Binance Smart Chain. |
| June 20th, 2025 9:09:00 PM MDT | TenArmor Tweet Posted | TenArmor posts a tweet to notify that their system has detected a suspicious attack. They compare the attack to the Bankroll attack. |
Technical Details
The attack was similar to the Bankroll exploit. In the Bankroll exploit, assets of any users who had approved the smart contract with unlimited permissions could be taken.
Exploit Transaction: 0xf34e59e4fe2c9b454d2b73a1a3f3aaf07d484a0c71ff8278b1c068cdedc4b64d
Victim Contract Address: 0xe968d2e4adc89609773571301abec3399d163c3b
Total Amount Lost
The loss amount was reported by TenArmor as $16.4k.
The total amount lost has been estimated at $16,000 USD.
Immediate Reactions
The attack appears to have only been detected and reported on by TenArmor and BlockThreat.
Ultimate Outcome
There is no indication that this project is still active.
Total Amount Recovered
There is no indication that any funds have been recovered.
There do not appear to have been any funds recovered in this case.
Ongoing Developments
It is unclear if any investigation will be undertaken or any recovery is available.
Individual Prevention Policies
No specific policies for individual prevention have yet been identified in this case.
For the full list of how to protect your funds as an individual, check our Prevention Policies for Individuals guide.
Platform Prevention Policies
Policies for platforms to take to prevent this situation have not yet been selected in this case.
For the full list of how to protect your funds as a financial service, check our Prevention Policies for Platforms guide.
Regulatory Prevention Policies
No specific regulatory policies have yet been identified in this case.
For the full list of regulatory policies that can prevent loss, check our Prevention Policies for Regulators guide.
References
- ↑ TenArmor - "Our system has detected a suspicious attack involving an old contract #TokenVault on #BSC, resulting in an approximately loss of $16.4K. Similar to the BankrollNetwork attack from days ago, it appears someone is finding and exploiting these older, similarly vulnerable contracts." - Twitter/X (Accessed Jul 30, 2025)
- ↑ Exploit Transaction Attacking TokenVault - BscScan (Accessed Jul 30, 2025)
- ↑ Exploit Transaction Attacking TokenVault - Blocksec (Accessed Jul 30, 2025)
- ↑ Exploit Transaction Attacking TokenVault - MetaSleuth (Accessed Jul 30, 2025)
- ↑ Week 25, 2025 - BlockThreat (Accessed Jul 30, 2025)
- ↑ Victim Smart Contract Address - BSCScan (Accessed Jul 30, 2025)
- ↑ Victim Smart Contract Creation - BSCScan (Accessed Jul 30, 2025)