An address poisoning scam resulted in one victim losing $599,000 USDT.

CertiK: In March, it recorded 46 security incidents, with total losses of about $39.8 million

CertiK reports that in March 2026 there were 46 security incidents, with total losses of approximately $39.8 million, the highest monthly number since November 2024. Security incidents increased in the fourth quarter of 2025 and the first quarter of 2026, and the occurrence of code vulnerability exploits is linked to the rise of artificial intelligence.

ZachXBT: Circle’s compliance enforcement has been inadequate; multiple security incidents involve amounts exceeding $420 million

On-chain investigator ZachXBT published a report stating that since 2022, Circle has repeatedly failed to properly carry out compliance in multiple incidents involving illegal funds, with amounts totaling more than $420 million. The report notes that in several security incidents, Circle did not freeze suspicious accounts in a timely manner, leading to severe losses. Despite having relevant mechanisms, Circle responded slowly when facing attacks and investigations into money laundering, which affected industry security.

Here's what 'cracking' bitcoin in 9 minutes by quantum computers actually means

Google's Quantum AI team said earlier this week that a future quantum computer could derive a bitcoin private key from a public key in roughly nine minutes. The number ricocheted across social media and spooked markets. But, what does it actually mean in practice? Let's start with how bitcoin

Japan’s Financial Services Agency Issues a Network Security Reinforcement Policy for Crypto Asset Exchange Businesses

The Japan Financial Services Agency has issued “Policy Guidelines for Strengthening Cybersecurity for Crypto Asset Exchange Businesses and Related Entities,” with the aim of strengthening investor asset protection. It proposes a three-layer security framework to address the new landscape of cyberattacks. In subsequent plans, it will conduct penetration testing on major operators and revise the guidance to raise security standards.

HypurrFi is suspected to have suffered a domain hijacking incident; the project team urges users to pause using the official website

DeFi lending protocol HypurrFi issues a security warning, saying that its website domain has been compromised. It urges users not to use that domain and to pause interactions. The team confirms users’ funds are safe and is investigating the domain hijacking incident.

Elon Musk's X to Auto-Lock Accounts Posting Crypto for First Time

X is implementing a new feature that auto-locks accounts with their first crypto post to combat phishing attacks. This aims to reduce the misuse of hijacked accounts for scams while enhancing user security.