---
title: "Brazil’s Largest Exchange Mercado Bitcoin Halts Withdrawals After $40 Million Hack"
url: https://thecoingazette.com/brazils-largest-exchange-mercado-bitcoin-halts-withdrawals-after-40-million-hack/
date: 2026-11-02
modified: 2026-11-02
lang: en
author: "Coin Gazette Editorial"
description: "Brazil's largest crypto exchange paused deposits and withdrawals after a security incident. Tether froze more than 4.5 million USDT tied to the attack."
categories:
  - "Crypto News"
tags:
  - "crypto"
  - "cryptocurrencies"
  - "Defi"
  - "Market Trends"
  - "News"
image: https://i0.wp.com/thecoingazette.com/wp-content/uploads/2026/05/logo-with-slogan-1.webp?w=1400&fit=1400,960&ssl=1
word_count: 23
---

# Brazil’s Largest Exchange Mercado Bitcoin Halts Withdrawals After $40 Million Hack

Brazil's largest crypto exchange paused deposits and withdrawals after a security incident. Tether froze more than 4.5 million USDT tied to the attack.