Security


Web3

Circle platform promising tokenized gold, silver swaps is 'fake,' company says

The release, distributed on Christmas Eve, used Circle branding and claimed to quote executives, but a Circle spokesperson said it was "not real."

Circle logo on a building

Finance

Polymarket points to third-party login tool after users report account breaches

The platform attributed the incident to a third-party login provider, which several users speculated was Magic Labs, a popular tool for email-based logins.

Glasses in front of monitors with code (Kevin Ku/Unsplash/Modified by CoinDesk)

Web3

Crypto user loses $50 million in 'address poisoning' scam

The scammer sent a small "dust" amount to the victim's transaction history, causing the victim to copy the address and send $50M to the scammer's address.

16:9 Fraud, scam (brandwayart/Pixabay)

Opinion

The Deepfake Reckoning: Why Crypto’s Next Security Battle Will Be Against Synthetic Humans

Crypto platforms must adopt proactive, multi-layered verification architectures that don’t stop at onboarding but continuously validate identity, intent, and transaction integrity throughout the user journey, argues Ilya Brovin, chief growth officer at Sumsub.

Robots (Unsplash/Sumaid pal Singh Bakshi/Modified by CoinDesk)

CoinDesk News

Spanish Authorities Bust Crypto Kidnapping Ring After Deadly Attack

The case highlights a growing trend of physical attacks aimed at extracting access to crypto wallets, known as "wrench attacks."

Police cruiser at night with lights on  (Kenny Eliason/Unsplash/Modified by CoinDesk)

Web3

Social Engineering Scams Top Crypto Threats in 2025: WhiteBit

Technical wallet hacks, including phishing and malware, are the second most common threat, making up 33.7% of incidents.

Glasses in front of monitors with code (Kevin Ku/Unsplash)

Opinion

The Crypto Industry Must Evolve to Match Real-World Security Risks

Security issues like data breaches and phishing attacks are a type of feedback for Web3 designers, argues Tools for Humanity’s Adrian Ludwig.

Safety Deposit Boxes (Shutterstock/Modified by CoinDesk)

Web3

Monero Suffers Deepest-Ever Blockchain Reorganization, Invalidating 118 Transactions

The reorganization was pinned on Qubic, which has acquired over half of Monero's mining power last month and uses XMR rewards to buy and burn its own token.

Glasses in front of monitors with code (Kevin Ku/Unsplash)

Tech

Saving Your Wallet Details, Seed Phrase as a Photo on Your Phone? This Trojan May Be Targeting You

Successor to SparkCat spyware spreads via official app stores, exfiltrates gallery photos using OCR to target seed phrases.

hacker

Tech

CoinMarketCap Briefly Exploited With Wallet Phishing Pop-Up Message

The company has not disclosed how many users were affected or whether any wallets were compromised as a result of the exploit.

CoinMarketCap logo on an iphone (appshunter.io/Unsplash)