Security

Quantum Threat Timeline: Bitcoin and Ethereum's Migration Debate Heats Up

As quantum computing advances accelerate, the debate over when Bitcoin and Ethereum should migrate to post-quantum cryptography has intensified. We map the threat timeline, proposed migration paths, and the governance challenges of the most complex upgrade either network has ever faced.

White-Hat Bounties: Top Crypto Security Researchers Earn $20M YTD

Cryptocurrency protocols have paid out more than $20 million in bug bounties to ethical hackers in the first four months of 2026, a record pace that reflects both the maturation of on-chain security culture and the escalating complexity of DeFi attack surfaces.

Address Poisoning Losses Cross $50M in Six Months as Victims Multiply

Address poisoning attacks have caused more than $50 million in losses over the past six months, exploiting a simple but devastating trick: flooding victims's transaction histories with lookalike wallet addresses. We explain how the attack works and how to stay safe.

North Korea's Lazarus Group Steals $300M in New Exchange Exploit

The Lazarus Group, North Korea's state-sponsored hacking unit, executed a $300 million theft from a mid-tier centralised exchange through a sophisticated supply-chain attack and social-engineering campaign. We break down the operation, blockchain forensics, and the geopolitical stakes.

Q1 2026 Crypto Hack Tally: $850M Lost as DeFi Protocols Bear the Brunt

Crypto losses to hacks, exploits, and fraud reached $850 million in Q1 2026, with decentralised finance protocols accounting for more than 70% of stolen funds. We break down the biggest incidents, root causes, and what the industry must do differently.

Bybit Fully Restored After 2025 Hack — $1.4B in User Funds Reimbursed

Bybit has completed reimbursement of all user funds lost in the February 2025 hack — the largest exchange breach in crypto history at $1.4 billion. The exchange's recovery process offers a case study in post-hack crisis management.