Cryptocurrency security covers theft, fraud, ransomware payments, wallet compromise, and blockchain risks involving digital assets and transactions.
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Background for this topic.
Cryptocurrency is a digital asset secured by cryptography and recorded on a decentralized blockchain ledger. It enables peer-to-peer transactions without intermediaries, relying on consensus mechanisms like proof-of-work or proof-of-stake to validate and add transaction blocks. Users control funds through private keys, which are critical for accessing and transferring cryptocurrency.
From an information security perspective, protecting private keys is paramount, as their compromise leads to irreversible theft. Cryptocurrency exchanges and wallet software are frequent targets for hacking, requiring robust security controls and vulnerability management. Additionally, the pseudonymous nature of transactions can facilitate illicit activities, challenging efforts to trace funds and enforce compliance. Defenses include hardware wallets, multi-factor authentication, and secure key management practices to mitigate risks inherent in cryptocurrency operations.
Also: US Sanctions UK-Registered Exchanges Over Iran TiesThis week, Step Finance and CrossCurve hacks, the United States sanctioned U.K.-registered exchanges over Iran ties, forfeiture finalization of funds linked to Helix, Coinbase data breach, 2025's illicit crypto flows and a UK regulator banned Coinbase ads.
Funding at $1B Valuation Targets AI-Driven Investigations and Compliance ToolsTRM Labs has secured $70 million in Series C funding led by Blockchain Capital reaching a $1 billion valuation. CEO Esteban Castano says the money will boost AI-powered investigations, compliance automation and intelligence as criminals use AI to scale cybercrime faster than defenders can respond.
Funding at $1B Valuation Targets AI-Driven Investigations and Compliance ToolsTRM Labs has secured $70 million in Series C funding led by Blockchain Capital reaching a $1 billion valuation. CEO Esteban Castano says the money will boost AI-powered investigations, compliance automation and intelligence as criminals use AI to scale cybercrime faster than defenders can respond.