Blockchain's role in cybersecurity continues to expand as organizations seek reliable ways to secure data, verify identities, ...

In Proof-of-Work (PoW) systems, a 51% attack happens when an attacker controls more than half of the blockchain’s hashing ...

The cryptocurrency industry faced a tumultuous year in 2025, as blockchain security incidents resulted in staggering ...

Blockchain investigation firm TRM Labs says ongoing cryptocurrency thefts have been traced to the 2022 LastPass breach, with ...

An active cross-chain exploit is draining hundreds of crypto wallets across multiple EVM-compatible blockchains, with losses ...

SlowMist's report highlights a year of professionalized attacks and maturing anti-money laundering (AML) efforts, ...

Address poisoning involves sending small transactions from wallet addresses that closely resemble a legitimate one, tricking users into copying the wrong address when making future transactions.

Researchers at Monash University are part of an international team that has developed a blockchain system that can defend against malicious activity by attackers — even if they possess more than half ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Supply chain attacks and phishing scams soared to become the biggest crypto security threat of 2025, as code vulnerability ...

Solana withstands a massive DDoS attack without downtime, keeping transactions fast and blocks running on schedule. This is now the fourth largest attack in history, ...

Earth globe night view with connect lines on deep blue space background. If the Defense Department deploys blockchain, a new and radically different data management technology, the data attacks of ...