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Balance Coin Stablecoin Crashes to Near Zero After $912K Oracle Exploit on BNB Chain

Importance High

Balance Coin, an algorithmic stablecoin built on BNB Chain, lost more than 99% of its value on July 22, 2026, after an attacker manipulated a price oracle and drained roughly $912,000 in bitcoin-backed collateral from vaults controlled by 42DAO, the protocol’s governing organization.

Security firms Peckshield and Slowmist confirmed the exploit within hours. Peckshield initially estimated the loss near $915,000, later refined by Slowmist to about $912,000, which also published a technical breakdown of the attack.

Balance Coin (BLC) traded near $0.995 to $1.00 before the attack. Within hours, it fell to roughly $0.0014, then slid further to between $0.0008 and $0.0013 on major trackers. Coinmarketcap later showed a price near an intraday low of $0.000795, a 24-hour decline of 99.92%.

How the Exploit Worked

Balance Protocol runs a collateralized debt system modeled on MakerDAO. Users lock BTCB—the Binance-pegged version of bitcoin—into vaults and mint BLC against it. A price oracle tracks the value of that collateral. When the ratio between debt and collateral drops too low, the protocol liquidates the vault.

The attacker used the Spotter contract’s poke function to push an artificially low BTCB price into the system’s accounting contract. The oracle accepted the number without checking it against market prices. Healthy vaults suddenly looked insolvent. The Dog module, which handles liquidations, seized the collateral in a single transaction, and the attacker sold it on PancakeSwap for a profit.

Slowmist called it a single-transaction combo that exploited missing price protection and a missing liquidation delay in a Maker-style system. No private keys were compromised. Several standard safeguards were reportedly missing from the design: no price deviation checks against outside markets, no maximum drawdown limits on the oracle feed, no price floor to catch obviously false readings, and no delay between a price update and a liquidation.

Market Fallout

Before the attack, Balance Coin’s circulating supply sat near 3.5 million tokens, giving it a nominal value close to $3.5 million. After the collapse, its market capitalization fell to roughly $2,800. Trading volume spiked to about $103,000 in 24 hours as holders exited and arbitrage traders picked through the remains.

The token’s all-time high was $1.42 in May 2025. The July 22 depeg became its new all-time low. 42DAO has not announced a recovery plan or compensation for affected users. The drained BTCB remains under the attacker’s control.

Part of a Longer Pattern

Balance Coin is now one of a long list of stablecoins that failed to hold their peg. Oracle manipulation is a recurring cause where attackers feed a protocol a false price, the protocol reacts as designed, and value moves to the attacker before anyone can stop it.

Source: https://news.bitcoin.com/another-stablecoin-bites-the-dust-as-blc-crashes-from-1-to-near-worthless/