cross-chain bridge security
Cross-chain bridges have become the highways of DeFi, enabling over $10 billion in daily transfers between blockchains. But here's the sobering reality: bridge hacks have resulted in billions in losses since 2016, with two major attacks in April 2026 alone highlighting persistent vulnerabilities. Understanding cross-chain bridge security is
cross-chain bridge security
Imagine trying to send money from your Bank of America account to someone who only has a Wells Fargo account — but the banks don't talk to each other. That's essentially the problem cross-chain bridges solve in crypto, connecting different blockchains that otherwise operate in isolation. But
smart contract backdoor
The $75 million frozen asset dispute between Justin Sun and World Liberty Financial (WLFI) has exposed a critical vulnerability lurking in DeFi protocols: smart contract backdoors. Sun's allegations that WLFI embedded an undisclosed "blacklist backdoor" function reveal how admin keys can completely undermine the trustless nature