🚨 BREAKING: Mercado Bitcoin (Brazil's largest exchange) just halted deposits/withdrawals after an estimated $40M+ exploit

Security firm Hypernative flagged the breach. Exchange claims "no customer funds affected" but actions speak louder — full freeze is live.

Another reminder: NOT YOUR KEYS, NOT YOUR COINS. CEX risk is real in 2025.

Stay safe out there degens 🛡️