In the last 24 hours, the SOLV token has risen by 3.5%.

On March 5, an unknown attacker targeted the decentralized platform Solv Protocol, as reported by the project team.

Incident Update: BRO Vault

A limited exploit occurred in one of our BRO vaults, affecting a very small number of users (<10).

The impacted amount is 38.0474 SolvBTC.

All other vaults and user funds remain secure and unaffected. We're actively investigating with top security…

— Solv Protocol (@SolvProtocol) March 5, 2026

As a result of the incident, fewer than ten users were affected, with total losses estimated at $2.7 million. The developers have promised to fully compensate the losses.

According to Decurity, the attacker exploited a double-minting vulnerability in one of the BitcoinReserveOffering (BRO) contracts 22 times. This allowed them to convert 135 BRO into 567 million BRO, which the hacker then exchanged for approximately 38 SolvBTC.

🚨 @SolvProtocol has been exploited for $2.7M

The BitcoinReserveOffering (BRO-SOLV-20MAY2026) contract's mint() function has a double-minting flaw. When a user mints by transferring a full ERC-3525 NFT, doSafeTransferIn triggers the onERC721Received callback which mints BRO… pic.twitter.com/JcZIGtJUaH

— Defimon Alerts (@DefimonAlerts) March 5, 2026

Solv has assured that other vaults and customer assets remain secure. The team is investigating the incident in collaboration with Hypernative Labs, SlowMist, and CertiK, and has already taken measures to prevent a recurrence of the attack.

The platform has offered the hacker a 10% reward of the stolen amount for returning the assets.

Solv Metrics and Native Token Response

A total of 8,847 BTC, valued at $623 million, is locked on the platform. According to the Solv website, the project is the largest on-chain reserve of the first cryptocurrency, with a balance of 24,226 BTC.

Source: DefiLlama.

In light of the news about the BRO vault hack, the platform's native token SOLV increased by 3.5%. At the time of writing, the asset is trading at around $0.004.

Hourly chart of SOLV/USDT on Binance. Source: TradingView.

Recall that in August 2025, Solv developers introduced the BTC+ Vault solution. This allows Bitcoin holders to automatically earn yield from assets held in the vault.