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Echo Protocol Loses $76M in Monad-Based Exploit — Here's What Happened and Why Bitcoin DeFi Is Under Scrutiny

(136 days ago) · 1 source · Summarized by CryptoBipto

Echo Protocol, a Bitcoin-focused DeFi platform operating on the Monad blockchain, was hit by a $76 million exploit. The attack drained significant funds from the protocol, raising fresh concerns about the security of cross-chain Bitcoin DeFi applications. Details on the exact vulnerability and whether funds can be recovered are still emerging.

WHY IT MATTERS

Imagine you put your money in a new digital bank that promises to let you earn interest on your Bitcoin. Now imagine a hacker finds a backdoor and drains $76 million from that bank overnight — that's essentially what happened here. 'DeFi' stands for decentralized finance, which means financial services (lending, borrowing, trading) that run on blockchain code instead of through traditional banks. The problem is that if that code has a bug, hackers can exploit it to steal funds — and unlike a traditional bank, there's usually no insurance or guarantee you'll get your money back. This event is a reminder that newer platforms, especially those operating across multiple blockchains, carry significant risk, and users should be cautious about how much they deposit into unproven protocols.

The $76 million exploit of Echo Protocol marks one of the larger DeFi security incidents in 2026 and puts a spotlight on the risks inherent in Bitcoin DeFi — a rapidly growing sector that aims to bring decentralized finance capabilities to Bitcoin through various Layer 1 and Layer 2 solutions.

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