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Mercado Bitcoin Assures Users Won’t Lose Funds Following $38M Security Breach

The exchange says services will resume only when full security conditions are met.

Dextape brief

By Dextape Desk ·

Mercado Bitcoin, a Brazilian crypto exchange, has assured customers they will not lose funds after a security incident on Monday led it to pause deposits and withdrawals. The company now puts the affected assets near $38 million and has already blocked $11 million with Tether, Circle, Paxos, BRL1 and Chainalysis, with more amounts identified. The incident was detected in one system in the early hours of Monday, prompting a precautionary suspension that will last until full safeguards are restored. Blockchain security firm Hypernative had reported over $40 million leaving exchange-linked wallets overnight, spanning at least 10 networks. Separately, investigator ZachXBT flagged a suspected theft of more than $133 million in withdrawals from exchanges, tied to an unnamed European Union entity.

Why it matters: The case shows that a single breached system can drain large balances across many chains, and that authorized-looking transfers are hard to explain.

Mentioned: Bitcoin, Circle, Tether

Summary by Dextape, based on reporting by CryptoPotato. Written with AI from the publisher’s text and checked automatically for copied wording and unsupported figures. Not investment advice.

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The Dextape Desk signs Dextape's own work: briefs on wire stories, the daily market report and desk analysis. Briefs are written by an AI model from the publisher's article text and checked automatically for copied wording, unsupported figures and investment advice before they appear. AI drafts from the editorial desk need corroborating sources and an editor's review before release.

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