BTC: Mercado Bitcoin Halts Withdrawals After Security Incident as Hypernative Flags $40M Outflows

Published: 3 November 2026

BTC market note dated 3 November 2026. This is an independent English brief of a public news item; it does not add trade levels.

What happened

• Mercado Bitcoin (MB) suspended deposits and withdrawals on Monday after more than $40 million left wallets tied to the Brazilian exchange overnight, according to security firm Hypernative. The exchange confirmed the incident in a statement on X, saying it had identified and quic…

What the figures mean

Independent check on the printed figures (40M, 40 million, 8220, 8221): confirm the unit, the session or as-of timestamp, and whether the number is a flow, a price, a rate, or a count before treating the headline as a directional call for BTC. This page restates source figures; it does not invent a second dataset.

Why it matters

The item is included because it is substantively about BTC (institutions, policy, flows, security, or network use), not a passing mention.

What to watch

Separate confirmed actions from speculation in the source. No price target is invented here.