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What Is Sybil Resistance in Blockchain? Examples and Preventions
A Sybil attack occurs when a malicious actor floods a blockchain network with multiple fake identities (nodes) to gain disproportionate influence over consensus or resource allocation. By masquerading as numerous distinct participants, the attacker can manipulate voting processes, censor transactions, or compromise network security. The term “Sybil” traces back to a 1973 novel about a […]
The DAO Attack – Reentrancy Vulnerability
The DAO attack on Ethereum in 2016 stands as the most famous reentrancy exploit in smart contract history. By recursively withdrawing funds before its internal state could update, an attacker drained about 3.6 million ETH in a matter of hours. This blog post unpacks how reentrancy works, walks through The DAO vulnerability, and outlines prevention […]
HashFlare Scam – Hashflare Founders Plead Guilty in $577 Million Crypto Mining Ponzi Scheme
By Staff Reporter February 14, 2025 On February 13, 2025, two Estonian nationals, Sergei Potapenko and Ivan Turõgin, pleaded guilty in a Seattle federal court to one count of conspiracy to commit wire fraud for operating HashFlare, a cloud-mining platform that duped investors of more than $577 million. This Hashflare Scam is one of the […]
Top Cryptocurrency ETFs – All You Need to Know
Cryptocurrency exchange-traded funds (ETFs) have exploded in popularity since the SEC’s landmark approval of spot Bitcoin and Ethereum ETFs in early 2024. These funds blend the ease and regulation of traditional finance with direct exposure to digital assets, opening the door for investors who prefer to stay within familiar brokerage accounts. Top Bitcoin ETFs iShares […]
The FTX Scam: Unraveling the Collapse of a Crypto Giant
FTX was once celebrated as a top-tier cryptocurrency exchange, boasting rapid growth and a valuation that soared into the tens of billions. In November 2022, it imploded under the weight of alleged fraud, misappropriation of customer funds, and opaque financial practices. This article examines how FTX rose to prominence, the nature of the scam, the […]