Vulnerability

Latest Hack Sparks Concern Whatsapp Will Never Be Secure

Latest Hack Sparks Concern Whatsapp Will Never Be SecureFacebook’s popular messaging app with 1.5 billion users in over 180 countries has another major vulnerability. Hackers were able to covertly install spyware on iOS and Android smartphones using Whatsapp with just a phone call. “All of their security issues are conveniently suitable for surveillance, and look and work a lot like backdoors,” said Telegram’s […]

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Bitcoin Cash’s Scheduled Hard Fork Tripped Up By Software Bug

The bitcoin cash network forks after a bug emerged in the cryptocurrency's code during an upgrade, leading developers to put together a hotfix.

Ledger Reveals Physical Exploits Against Trezor Hardware Wallets

Ledger Reveals Physical Exploits against Trezor WalletsThe battle of the hardware wallets is heating up. At this weekend’s MIT Bitcoin Expo in Boston, Charles Guillmet, Chief Security Officer of Ledger, presented a number of physical attacks that could be executed against Trezor hardware wallets. He also outlined an attack on their rival’s device that Ledger has refrained from making public because […]

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Take Two: Ethereum Is Getting Ready for the Constantinople Hard Fork Redo

The world's second largest blockchain by market capitalization is gearing up for a hard fork its tried to activate before called Constantinople. This time, developers are confident it will work.

Zcash Bug Demonstrates the Difficulty of Auditing Complex Cryptocurrencies

Zcash Bug Demonstrates the Difficulty of Auditing Complex CryptocurrenciesA recent counterfeiting bug in Zcash demonstrates that the added functionality of so-called second generation blockchains comes at a price. The vulnerability, which existed for years before being patched in October, could have been exploited to generate additional coins. As every major cryptocurrency since Bitcoin has demonstrated, added complexity corresponds with lower security. Also read: Australian […]

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‘Critical’ Vulnerability in Beam Wallet Could Have Put Funds At Risk, Devs Say After Fix

The "critical vulnerability" found by developers of the mimblewimble privacy coin Beam is said to have put user funds at possible risk of being stolen.

The Daily: Critical Bug Found in Beam Wallet, Wirex Adds Another Cryptocurrency

The Daily: Critical Bug Found in the Beam Wallet, Wirex Adds Another CryptocurrencyIn Friday’s edition of The Daily, we cover the news about a vulnerability found in the Beam Wallet days after the launch of the Mimblewimble-based coin. Also, crypto card provider Wirex has added waves to its list of supported cryptocurrencies, and digital asset exchange Exmo has registered an increase in the number of Belarusian users […]

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Bounties and Responsible Disclosure Bolstered Crypto Infrastructure This Year

Bounties and Responsible Disclosure Bolstered Crypto-Infrastructure This YearCryptocurrency transfers work because of the software developed by programmers like Satoshi Nakamoto and many other innovators along the way. As with all software, however, blockchain protocols are not perfect, and over the last decade black and white hat hackers have revealed many bugs. In 2018, developers earned over $878,000 in blockchain bug bounties by […]

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These Developers Claim They Can Crack Any Hardware Wallet

These Developers Claim They Can Crack Any Hardware WalletOn Dec. 27 at the 35th Annual Chaos Communication Congress (35C3) event, three individuals from a startup called Wallet Fail allegedly hacked the most popular hardware wallets and revealed their secrets on stage. According to Trezor, however, the hackers at 35C3 did not follow the standard responsible disclosure protocol and Ledger Wallet developers claim the […]

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Not Everyone Wants to Fix Bitcoin's 'Time Warp Attack' – Here's Why

A bit of a debate has revved up about bitcoin's "time warp attack" and whether it's an exploit or an unintended advantage.

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