Solana and Slope Wallet Users Drained in Suspected Exploit

Users of the Phantom wallet are complaining of funds being drained without their consent
Several commentators are pointing towards an exploit relating to the wallet or NFT marketplace Magic Eden

Users of Solana digital wallets Phantom and Slope are claiming millions have been stolen from an unknown exploit linked to the wallets or associated trusted apps.

According to several users and market participants, the exploit on either the Solana network or via native wallets is draining users’ funds despite being disconnected from web browsers or actioning any transfers. Exact details of the exploit are not yet known.

“We are working closely with other teams to get to the bottom of a reported vulnerability in the Solana ecosystem,” the Phantom team told Blockworks. “At this time, the team does not believe this is a Phantom-specific issue.” The exact amount stolen from users’ wallets is not yet known.

Users said they are receiving notifications that they are sending tokens to an unknown set of addresses. The total amount of funds drained so far is suspected of totaling more than $6 million in SOL from more than 7,760 wallets. Blockworks was unable to immediately independently verify the total amount taken. 

An exploit allowed a malicious actor to drain funds from a number of wallets on Solana. As of 5am UTC approximately 7,767 wallets have been affected. The exploit has affected several wallets, including Slope and Phantom. This appears to have affected both mobile and extension.— Solana Status (@SolanaStatus) August 3, 2022

Users from web-based cryptocurrency wallet Slope are also reporting incidents of an exploit. The attacker is claimed to be making off with both SOL and Solana Program Library (SPL) tokens.

One user, going by the handle @Paladin on Twitter, told Blockworks several people familiar with the situation had their wallets “drained randomly.”

“They lost thousands and most of their money, so they are quite depressed,” they said. “Move coins to a ledger and disconnect every trusted website.”

Paladin pointed to two large wallet addresses suspected of belonging to the exploiter which have a combined balance of roughly 37,777 SOL (US$1.5 million). A third wallet, with roughly 2,402 SOL ($95,000) is continuing to see funds drained to its address as a result of the exploit, Paladin said.

The exploit appears to be impacting all Solana-based tokens with recommendations for moving coins to a ledger, revoking trusted apps like NFT marketplace Magic Eden or locking them up via staking.

Hacks and exploits relating to DeFi and NFTs continue to mount. Last month, Blockworks reported hacks totaled more than $1.2 billion for the first quarter of this year alone in what appears to be an increase in frequency for the budding sector.

Continuous hacks “is fundamentally an unsolvable problem,” Immunefi’s CEO Mitchell Amador told Blockworks in an interview at the time. “We knew things were going to go in this direction. The volatility is a part of crypto, the amount of money flowing in was going to increase.”

Update: Changes headline and copy to reflect Slope Wallet users also affected by the exploit. Updates response from Phantom’s team.

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Sebastian Sinclair
Blockworks
Senior Reporter, Asia News Desk
Sebastian Sinclair is a senior news reporter for Blockworks operating in South East Asia. He has experience covering the crypto market as well as certain developments affecting the industry including regulation, business and M&As. He currently holds no cryptocurrencies.

Contact Sebastian via email at [email protected]

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