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Mercado Bitcoin security incident

Story timeline · 3 updates, 2 Nov 2026

Brazilian exchange Mercado Bitcoin confirmed a security incident and paused deposits and withdrawals, saying customer assets were unaffected, after Hypernative flagged suspicious transfers of over $40m. Tether froze more than 4.5m USDT tied to the incident. Mercado Bitcoin has now published destination addresses…

Every update, oldest first

  1. Mercado Bitcoin confirms security incident and pauses deposits and withdrawals

    Brazilian crypto exchange Mercado Bitcoin confirmed a security incident and temporarily suspended deposits and withdrawals, saying customer assets were unaffected. Hypernative had flagged suspicious transfers of more than $40m across several blockchains, which local media linked to the incident.

    BitcoinChainCatcherAIBearish

  2. Tether freezes over 4.5m USDT linked to Mercado Bitcoin security incident

    Tether CEO Paolo Ardoino says Tether has frozen more than 4.5m USDT tied to a security incident at Mercado Bitcoin. The exchange said no customers lost funds and no data leaked, and paused deposits and withdrawals as a precaution.

    StablecoinsOdailyAIBearish

  3. Mercado Bitcoin publishes addresses tied to security incident

    Brazilian exchange Mercado Bitcoin published destination addresses linked to the incident across the EVM, BTC, SOL, XLM and TRON networks, saying they are for identification and tracking only. It has not disclosed the scale of assets involved or a timeline for restoring services.

    BitcoinPANewsAIBearish

Every update is a short rewrite, by AI in our own words, of a flash from the outlet named on it, credited and linked. Updates are joined into one story by AI; our editors can change a story’s name or take an update out. Not investment advice.