#数字货币市场洞察 Cross-chain vulnerability triggers market cap crash for multiple projects, this wave hit too hard

September 2025 was the "dark September" for cross-chain security. First, a certain DeFi project was attacked due to a cross-chain protocol vulnerability, with hackers minting 5 billion tokens out of thin air and dumping them on the market. The $GAIN price plummeted from $0.163 to $0.003 in less than an hour, a drop of 98%, wiping out over $120 million in market cap overnight.

But it didn’t stop there. Next, Seedify.fund’s cross-chain bridge vault was hacked, resulting in losses of more than $1.7 million, and $SFUND hit a new all-time low. This chain reaction of incidents reflects a harsh reality: as cross-chain technology becomes more complex, vulnerabilities are also increasing.

To put it bluntly, cross-chain validation mechanisms are still too fragile, and fund monitoring is inadequate. This is a lesson to remember—risks in cross-chain projects are always bigger than you think.