Solana-based decentralized futures exchange Cypher Protocol halted its smart contract after an estimated $1 million exploit.

On Aug. 7, Cypher alerted its 13,500 followers on X (formerly known as Twitter) that it had experienced a security incident and had thus frozen its smart contract.

The team added it is investigating the cause of the exploit and has reached out to the hacker to negotiate a potential return of stolen funds.

According to data from Solana blockchain explorer Solscan, the wallet believed to be tied to the exploit managed to steal approximately 38,530 Solana (SOL) tokens as well as $123,184 USD Coin (USDC) — netting a total of $1,035,203 in illicitly gained funds.

Total balance of stolen funds in the Cypher attackers’ wallet. Source: Solscan

In the hours following the exploit, the alleged wallet transferred 30,000 USDC to Binance’s Solana USDC address “kiing.sol” in a possible attempt to cash out the stolen funds.

The alleged hacker transferred 30,000 USDC to Binance. Source: Solscan

Related: ‘All funds are at risk’ — Steadefi exploited in ongoing attack

At the time of publication, the alleged hacker has yet to bridge any Solana-based funds to the Ethereum network.

The attack comes amid Cypher Protocol’s mtnDAO hacker house event, which it co-hosts with fellow Solana protocol Marginfi. Marginfi wrote in its Telegram that it remains independent from Cypher and had not been impacted by the attack.

This is a developing story, and further information will be added as it becomes available.

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