Poloniex and HitBTC have limited transactions with ERC-20 tokens
The cryptocurrency exchange HitBTC announced the suspension of the withdrawal of funds in ERC-20 tokens. In addition to withdrawal, the Poloniex exchange limited the ability to replenish accounts with ERC-20 tokens. Both sites explain these measures by the need to conduct a check after the appearance of information about the “batchOverflow” bug..
Earlier, a similar decision was made by OKEx.
At the beginning of the week, it became known that the attacker, using the above-mentioned bug, was able to withdraw 8 vigintillion BEC tokens to his wallet.
In turn, the popular Twitter commentator Whalepool considers the excitement about this bug unreasonable, since information about it appeared a few days ago, but the exchanges began to take action only today..
In addition, according to information on the network, the bug does not affect the contracts of projects using the common SafeMath library.
The developers of the Nebulas project on their blog reported that there is no such vulnerability in their contract, and asked users to be vigilant in light of yesterday’s incident with MyEtherWallet.
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