The sudden $1,500 drop in Bitcoin (BTC) price on August 2 caused over $1 billion worth of liquidations on futures contracts and also led to a sharp decline in the price of many top altcoins.Interestingly, futures open interest recovered half of this loss in less than 48 hours, and currently sits at $5.2 billion. Attackers have exploited a vulnerability in the Opyn ETH Put contract to walk away with more than $370,000.The recent Chainlink (LINK) rally has led to some unconventional results β 100% of its supply is βin the moneyβ or profitable.Theory suggested on social media is that previous LINK purchasers were the ones who pushed the coin to a new ATH, but as these addresses had bought previously, their average purchase price would be lower than the current price, pushing the address into profit.Hackers are reportedly selling the personal data of over a million Russians who voted electronically, using blockchain technology.Moscowβs Department of Information Technologies, which is responsible for the design of the voting system, denied the report in an email to CoinDesk.