2 years ago
Non-fungible tokens (NFTs) marketplace OpenSea launched a caller listing manager, among different measures, to mitigate a idiosyncratic interface flaw that saw implicit $1 cardinal worthy of NFTs sold astatine prices acold beneath their marketplace value.
On Monday, 3 attackers were capable to instrumentality vantage of the bug and buy fashionable NFTs astatine older, little prices, and merchantability them connected for a monolithic profit.
An OpenSea spokesperson told CoinDesk via email that "this is not an exploit oregon a bug" but alternatively "an contented that arises due to the fact that of the quality of the blockchain."
The marketplace launched a caller listing manager aboriginal connected Tuesday, adding a dashboard that shows each of 1 user's inactive listings wherever they tin cancel each listing with 1 click.
"The hole lone handles and solves for caller users, arsenic it lone hole the facade (web app) and not the susceptible declaration itself," said Tal Be'ery, main exertion serviceman of crypto wallet ZenGo, told CoinDesk via Twitter. "Old users that re-listed their NFTs connected OpenSea successful the past are inactive susceptible to specified attack," whereas caller users "simply cannot re-list NFTs without cancelling erstwhile lists explicitly," helium added.
On apical of the caller dashboard, OpenSea has been reaching retired to and reimbursing affected users, the spokesperson said, adding that they person not "communicated broadly astir this issue" to debar bringing it to the attraction of atrocious actors.
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Eliza Gkritsi is CoinDesk's crypto mining newsman based successful Asia.
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