Mazda3 Posted March 22, 2018 #1 Posted March 22, 2018 The American currency exchange Coinbase paid $ 10,000 as an award to a Dutch firm that discovered a bug in the system that allowed users to steal an unlimited amount of Ethereum. Troubleshooting December 27, VI Company informed Coinbase about a bug related to the use of smart contracts with a faulty wallet. VI Company reports that users could provide themselves with an unlimited amount of ETH. Quote "Using smart contracts to distribute Ethereum through a number of purses, you can manipulate the balance of accounts of your Coinbase account. If 1 internal transaction in the smart contract does not pass, all previous transactions are returned. However, on Coinbase such transactions are not returned, because of which someone can add as much Ethereum to their balance as they want. " Coinbase has faced technical problems throughout the past year. As a result of a massive influx of new customers in mid-2017, the stock exchange site repeatedly encountered errors and delays. Despite the promises to immediately eliminate the bug that allowed to steal millions of dollars in the crypto currency, Coinbase corrected the situation only a month after the first report. A similar situation with Overstock.com Such loopholes have had their impact on many enterprises dealing with crypto-currencies. So, on the Overstock.com site for a while there was a mistake in the system, allowing users to make payment and requesting the return of funds in Bitcoin (BTC) and Bitcoin Cash (BCH) at the same rate. This provided opportunities for significant savings or more money. Recall that Overstock in its trading operations uses the API Coinbase.
Sefan Posted March 22, 2018 #2 Posted March 22, 2018 not really any big news they payed out over 400,000 $ over the years in bug bounties, nonoe was able to abuse this glitch
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