Security


Opinion

4 Unanswered Questions About the Bitfinex Hack

Even after high-profile arrests, we don't have the full story behind the $4.6 billion crypto heist.

Heather Morgan, who along with her husband Ilya "Dutch" Lichtenstein, is accused of attempting to launder more than $4 billion worth of stolen bitcoin. (Heather Morgan/Facebook)

Videos

BTC Breaks Through 2022 VWAP Over the Weekend

Bitcoin broke key resistance levels related to the “volume weighted average price,” or VWAP, a tool that calculates the average price a security has traded at throughout the day using both price and volume. Could bitcoin have room for further gains? “All About Bitcoin” host Christine Lee breaks down the Chart of the Day.

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Videos

Binance CEO Warns of ‘Massive’ SMS Phishing Scam

Binance CEO Changpeng “CZ” Zhao warned Friday of a “massive phishing scam via SMS” with a link to cancel withdrawals that leads to a website that harvests Binance users’ credentials. “The Hash” hosts discuss the latest story signaling the importance of personal security in the crypto space.

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Opinion

A Bridge Too Far: Does the Wormhole Hack Mean the Multi-Blockchain Dream Is Dead?

Bridges and other connections between blockchains present inherent security challenges. Whether those can be solved will determine the future of the entire ecosystem.

A collapsed bridge along Forbes Avenue near Frick Park in Pittsburgh on Jan. 28, 2022. Just a few days later, a Solana-Ethereum cryptocurrency bridge called Wormhole met a similar fate. (Justin Merriman/Bloomberg via Getty Images)

Videos

How You Can Prevent ‘Mars Stealer’ Malware From Stealing Away Your Crypto

Mars Stealer, an improved copy of the Oski Stealer malware introduced in November 2019, is capable of collecting cryptocurrencies from popular browser plug-ins, according to USAPTC. “The Hash” squad discusses the key takeaways and offers tips for protecting against security breaches.

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Opinion

A Crypto Wallet by Any Other Name…

“Unhosted”? “Self-hosted”? “Non-custodial”? What you call a crypto wallet may seem trivial but it has huge stakes for shaping public perception of cryptocurrencies – and, in turn, for regulation.

(H. Armstrong Roberts/Getty Images)

Tech

Tornado Cash Co-Founder Says the Mixer Protocol Is Unstoppable

Roman Semenov says Tornado Cash is designed so a third-party can’t control it.

Tornado Cash co-founder Roman Semenov (Roman Semenov)

Tech

Multichain Says One Hacker Returned Over $800K

The cross-chain protocol said $1.9 million had been siphoned off by three hackers.

(CoinDesk archives)

Finance

Funds Lost to DeFi Hacks More Than Doubled to $1.3B in 2021: Certik

Centralization is the most common vulnerability, the security firm said.

(Adam Levine/CoinDesk)