Cryptocurrency Security
In-depth guides and analysis on cryptocurrency security from the Safeguard engineering team.
4 articles
The Silent USDT Takeover: Trust Wallet QR-Code Drainer Abusing Deep Links (May 2026)
A Drainer-as-a-Service campaign analyzed in May 2026 abuses Trust Wallet deep links and QR codes spread over Telegram to trigger unlimited USDT approvals on BNB Smart Chain, silently handing attacker contracts control of victim balances.
Fake Uniswap Google Ads Drained $400K: The Search-Ad Wallet Drainer Surge of May 2026
On May 26, 2026, on-chain investigators flagged a fake-Uniswap phishing operation that used Google search ads and lookalike domains to drain at least $400,000 by tricking users into signing malicious token approvals.
Ronin Network Hack: $625 Million Stolen from Axie Infinity's Blockchain Bridge
North Korean hackers stole $625 million from the Ronin Network bridge powering Axie Infinity, exploiting compromised validator keys in what became the largest DeFi hack in history at the time.
Crypto.com Hack: $34 Million Stolen by Bypassing Two-Factor Authentication
Attackers bypassed Crypto.com's two-factor authentication system to drain approximately $34 million from 483 user accounts, raising serious questions about the security of centralized crypto exchanges.