Terra Blockchain Halts After $4 Million Exploit Resurfaces

A reentrancy vulnerability led to the theft of various tokens, prompting emergency measures and a temporary halt in operations.

The exploit involved a reentrancy bug in the IBC protocol, initially patched in April but reintroduced in a June upgrade.
Over $4 million in tokens, including USDC, USDT, BTC, and ASTRO, were stolen in the attack.
Terra validators halted the blockchain at block height 11430400 to apply an emergency patch.
The ASTRO token's value plummeted by over 50% following the exploit.
The Terra blockchain has since resumed operations after the vulnerability was addressed.