Attack

The Flash Loan Attacks Explained (for Everybody)

Today we’re breaking down the flash loan attacks that rocked the DeFi community in a way even your grandpa can understand, presented in both audio and full-text format below. For early access before our regular noon Eastern time releases, subscribe with Apple Podcasts, Spotify, Pocketcasts, Google Podcasts, Castbox, Stitcher, RadioPublica or RSS. Full transcript: John: …

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Is It Exploitation Season for DeFi?

Are two recent attacks taking advantage of “flash loans,” low liquidity and price oracle issues the first of more to come? Part of what makes decentralized finance, or DeFi, interesting to people is how it takes advantage of open-source protocols to enable types of transactions never before available. The problem, however, is financial structures mean …

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Protocol found in webcams and DVRs are fueling a new round of big DDoSes

Enlarge Akamai Hackers have found a new way to amplify the crippling effects of denial-of-service technique by abusing an improperly implemented tool found in almost 1 million network-connected cameras, DVRs, and other Internet-of-things devices. The technique abuses WS-Discovery, a protocol that a wide array of network devices use to automatically connect to one another. Often …

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Maxwell, Wuille Co-Author Proposal for a Big Boost to Bitcoin’s Bandwidth

A newly-proposed relay protocol could reduce the “transaction bandwidth” used up by bitcoin nodes by up to 75%. Called Erlay, the proposed protocol alters the way transactions are relayed so that they use significantly less bandwidth, an important resource for the nodes that make up the network. The authors include The University of British Columbia …

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Bitcoin Cash Miners Undo Attacker’s Transactions With ‘51% Attack’

Two bitcoin cash (BCH) mining pools recently carried out what is known as a 51 percent attack on the blockchain in an apparent effort to reverse another miner’s transactions. The move is tied to the bitcoin cash network hard fork that occurred on May 15. The two mining pools — BTC.com and BTC.top — carried out …

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Hacked NZ Exchange Cryptopia Allowed to Reopen

</header> <strong>Digital asset exchange Cryptopia has been given the green light to open again after New Zealand police announced they have almost completed their investigation at its offices. The crypto trading platform suffered a security breach last month when, according to one estimate, as much as $16 million worth of cryptocurrency was stolen. </strong> Also …

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