OKEx: Ethereum Smart Contract Bug Causes Temporary Suspension of ERC-20 Deposits

Today, April 25th, the third largest cryptocurrency exchange by trading volume, OKEx, announced that all ERC-20 token deposits have been suspended.The move comes after developers discovered an Ethereum Smart Contract bug called BatchOverflow which permits those who exploit the bug to issue an almost unlimited number of new tokens. In turn, the newly minted tokens can then be deposited into other asset wallets. ‘This makes many of the ERC-20 tokens vulnerable to price manipulations of