Blockchain & Cryptocurrency

by Cointelegraph by Ezra Reguerra on November 3, 2026 at 8:18 am

Crypto.com also took steps to block funds tied to the suspected theft, while Kraken said its systems and customer accounts were not compromised.

by Chainalysis Team on November 2, 2026 at 10:59 pm

Early this morning Mercado Bitcoin, Brazil’s largest crypto exchange, suffered a security incident that resulted in approximately $49 million in… The post Disrupting the Mercado Bitcoin Attack: How Chainalysis Led the Freeze of Nearly $10M in Stolen Funds appeared first on Chainalysis.

by Cointelegraph by Nate Kostar on November 2, 2026 at 9:54 pm

The Swan Bitcoin founder warned that hackers are using large language models to exploit security flaws with just a few prompts.

by Cointelegraph by Helen Partz on November 2, 2026 at 11:19 am

Bitcoin lost 7.3% in October 2026 after another decline the previous year, despite the month’s historically strong returns, as analysts reassess seasonal signals.

by Cointelegraph by Ezra Reguerra on November 2, 2026 at 10:46 am

Trezor cited July’s Coldcard attacks, in which strong passphrases helped protect some users whose wallet recovery information was compromised.

by Cointelegraph by Ezra Reguerra on November 2, 2026 at 5:34 am

BTCPay Server urged operators to shut down their servers after receiving reports of unauthorized attackers draining funds from hot wallets.

by Chainalysis Team on October 30, 2026 at 9:14 pm

Monday Nov 2, 2026 Update:  Chainalysis continues to respond to ongoing cyber threats associated with the security incident described below.… The post Updated Nov 2: Chainalysis Security Incident Information appeared first on Chainalysis.

by Cointelegraph by Helen Partz on October 30, 2026 at 11:00 am

Security experts said attackers could have drained Binance’s wallets without EIP-7702, but the Ethereum upgrade may have helped bypass withdrawal safeguards.

by Chainalysis Team on October 30, 2026 at 9:34 am

Key takeaways Around 4:20 p.m. ET on October 29, 2026, funds began leaving Binance hot wallets across multiple blockchains. Unauthorized… The post The $6.4 Billion Binance Hack: Tracing the North Korea Link appeared first on Chainalysis.

by Chainalysis Team on October 29, 2026 at 6:55 am

Summary Everyday financial needs are driving Sub-Saharan Africa’s crypto growth. The region’s crypto economy grew 13.4% to $101 billion, making… The post South Africa Leads Sub-Saharan Africa’s 13.4% Crypto Growth appeared first on Chainalysis.

by Chainalysis Team on October 28, 2026 at 7:16 pm

Summary OFAC sanctioned Russian and DPRK nationals that targeted U.S. businesses with fraudulent IT workers, generating cryptocurrency proceeds to fund… The post Treasury Sanctions Russians, North Koreans supporting DPRK IT Worker Fraud appeared first on Chainalysis.

by Cointelegraph by Helen Partz on October 28, 2026 at 1:47 pm

Google Cloud has detailed its preview MPC service for institutional Bitcoin custody as it holds a New York symposium focused on digital asset security.

by Chainalysis Team on October 27, 2026 at 9:49 pm

Summary The FBI Washington Field Office, working with international law enforcement partners, seized the domain virtualine.net, which, according to the… The post International Law Enforcement Seizes Domain of Virtualine Bulletproof Hosting Service appeared first on Chainalysis.

by Chainalysis Team on October 26, 2026 at 12:55 pm

Summary MENA’s crypto economy was essentially flat at $443.3 billion in the 2026 reporting period, a 1.4% decline that tracks… The post War, Shutdowns, and Licensing Reshape MENA’s $443 Billion Crypto Economy appeared first on Chainalysis.

by Cointelegraph by Nate Kostar on October 23, 2026 at 6:39 pm

The blockchain suspended its layer-1 network and rollups after security researchers identified unauthorized token minting and millions in assets transferred to Ethereum.

by Cointelegraph by Helen Partz on October 23, 2026 at 11:47 am

Recent hardware wallet security incidents have renewed debate over whether self-custody is suitable for beginners, as multisig and seedless designs carry their own risks.

by Cointelegraph by Ezra Reguerra on October 23, 2026 at 5:09 am

ChainSecurity said it identified 13 real-world examples of smart contracts potentially affected by Glamsterdam’s gas changes and is coordinating responsible disclosure with affected projects.

by Cointelegraph by Helen Partz on October 21, 2026 at 1:31 pm

CertiK says crypto trading bots and exchange applications may remain exposed to the eMudhra certificate flaw because browser fixes may not protect all software.

by Peter Kacherginsky on October 19, 2026 at 1:30 pm

$20M+ stolen across 11 incidents. AI FUD. Blockchain and wallet hacks will continue until morale improves.

by Cointelegraph by Helen Partz on October 16, 2026 at 1:51 pm

Ledger was contacted about tampered hardware wallets risks months before its latest security crisis, with former Mt. Gox CEO Mark Karpelès questioning its response.

by Cointelegraph by Helen Partz on October 15, 2026 at 12:00 pm

Ledger’s new Atom combines crypto wallet security with everyday apps and is expected to ship in summer 2027 as the company investigates tampered wallets sold in Asia.

by Cointelegraph by Ezra Reguerra on October 15, 2026 at 5:52 am

South Korea is proposing tougher cybersecurity assessments after a review identified security deficiencies at 130 financial firms.

by Cointelegraph by Christina Comben on October 14, 2026 at 1:30 pm

Even if Justin Drake’s prediction that AI could break cryptography proves correct, critics say “bunker mode” is an impractical suggestion that’s unlikely to protect your crypto.

by Chainalysis Team on October 14, 2026 at 12:48 pm

Summary North America’s $3 trillion crypto economy remained the most influential in the world, with advancements in agentic commerce, exports… The post North America: Inside the Growth of Agentic Commerce appeared first on Chainalysis.

by Chainalysis Team on October 13, 2026 at 3:57 pm

Summary Chainalysis Reactor’s evidentiary admissibility has now withstood scrutiny at two levels of federal court. In September, the D.C. Circuit… The post Chainalysis Reactor Withstands Daubert Scrutiny Again on Appeal appeared first on Chainalysis.