Bitcoin Cash reportedly suffered a 51% attack, transactions reversed

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Bitcoin Cash reportedly suffered a 51% attack following its May 15 scheduled hardfork upgrade. Following Bitcoin Cash’s hardfork upgrade, an attacker exploited a vulnerability in the update that added invalid transactions to the pool of unprocessed transactions (the Mempool). One source claims these were “poison” transactions that made it so miners were unable to participate…

Security update from Binance CEO, following $40 million exchange hack

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Changpeng Zhao (“CZ”), the CEO of Binance, the world’s largest crypto exchange in terms of adjusted trading volume, has published a blog post in which he apologized for previously suggesting a chain reorg of the Bitcoin (BTC) blockchain. Following a large-scale security breach of Binance on May 7th, 2019, which resulted in a loss of…

Ledger Reveals Five Vulnerabilities in Competitor Trezor’s Wallets

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Ledger, a major crypto hardware wallet manufacturer based in France, revealed five security vulnerabilities found in the Trezor Model T and Model One, major competitors to the Nano Ledger. Ledger’s Attack Lab Discovered Vulnerabilities in Trezor’s Hardware Wallets The market for cryptocurrency hardware wallets is a rather competitive one due to the nature of cryptocurrencies.…

Canadian Court Grants QuadrigaCX 45-Day Extension to Recover Crypto Assets

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The Supreme Court of Canada granted QuadrigaCX a 45-day extension to recover cryptocurrency assets that went missing after its founder’s death, keeping the exchange safe from creditor lawsuits while the investigation continues into the loss of $190 million in crypto. QuadrigaCX Receives Extension Following the death of its founder and CEO back in Dec. 2018,…

Examining the #DeleteCoinbase Controversy: Is Coinbase Selling User Data?

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One Coinbase executive recently said that its partners were “selling client data to outside sources,” stoking privacy concerns. Controversy has been brewing since the exchange’s acquisition of blockchain analytics company Neutrino on Feb. 19th. Purportedly, the founder of Neutrino is also the founder of spyware development firm Hacking Team, a company which was criticized for…