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.

Recover Stolen Crypto: Realistic Options and What Actually Works

Most stolen crypto is never recovered — but some pathways exist. This guide covers on-chain tracing, exchange freeze requests, law enforcement engagement, professional recovery firms (and which are scams), DeFi insurance, and what types of theft are truly unrecoverable.

Multisig Wallet Setup: Safe, Casa, and Unchained Explained

Multisig wallets eliminate the single point of failure in crypto custody. This guide covers how to set up Safe (Gnosis) for DeFi, Casa and Unchained for Bitcoin collaborative custody, key distribution strategy, and when multisig is and isn't worth the complexity.

2FA for Crypto: What Works, What Doesn't, and Why Hardware Keys Win

Not all two-factor authentication is equal. SMS 2FA is dangerously weak; TOTP is the baseline; FIDO2 hardware keys are phishing-resistant gold standard. This guide compares every method and shows you how to set up a complete 2FA stack for your crypto accounts.

Phishing Prevention: How to Spot Fake Crypto Sites and Avoid Wallet Drainers

Phishing causes more crypto losses than any other attack vector. This guide covers URL spoofing, wallet drainer scripts, fake Discord and Telegram groups, clipboard hijacking, and how to build lasting phishing-resistance habits.

Crypto Seed Phrase Storage: Best Practices to Protect Your Wallet

Your seed phrase is the master key to all your crypto. Learn how to store it securely using steel backups, geographic distribution, Shamir's Secret Sharing, and BIP-39 passphrases — and why digital storage is always a mistake.

Top Crypto Scams 2026: How to Spot & Avoid Losing Money

Crypto scams cost victims billions every year. This guide covers the 11 most dangerous fraud types in 2026 — pig butchering, fake apps, address poisoning, approval drainers, rug pulls, AI deepfakes, phishing, Ponzis, exit scams, and recovery fraud — with a 7-step checklist to protect your wallet.

Best Hardware Wallets 2026: Ledger, Trezor, BitBox & More Compared

A comprehensive guide to the best hardware wallets of 2026 — Ledger Nano X, Ledger Stax, Trezor Safe 5, BitBox02, Keystone 3 Pro, SafePal X1, and NGRAVE Zero compared by security architecture, usability, and price. Includes multi-sig setup, backup strategies, and supply chain attack defence.

Best Crypto Wallets 2026: Hardware, Software & Mobile Compared

A complete guide to the best crypto wallets of 2026 — hardware wallets (Ledger, Trezor, BitBox, Keystone, SafePal) and software wallets (MetaMask, Trust, Phantom, Rabby, Zerion) compared by security, usability, and cost. Includes backup tips and common mistakes.

Bitcoin Nodes Explained: Full vs Pruned vs SPV — Beginner Setup Guide

A clear explanation of the three main Bitcoin node types — full archival, pruned full, and SPV — with a step-by-step setup guide for running a pruned Bitcoin Core node on a Raspberry Pi 4.