Signal
Mercado Bitcoin suspends deposits and withdrawals after security incident
Evidence first: scan the strongest sources, then decide whether to go deeper.
Published 2026-11-02 14:00 UTCUpdated 2026-11-02 20:20 UTC
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crypto_exchangesecurity_incidenthackstablecoinsusdtbrazil
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Evidence trail (top sources)
top sources (4 domains)domains are deduped. counts indicate coverage, not truth.4 top sources shown
Overview
Mercado Bitcoin suspended deposits and withdrawals after a security incident involving wallets across multiple chains. The exchange said the incident was contained, customer funds were safe and no data had leaked, while reports placed the estimated loss between $40 million and $46 million. Tether separately froze more than 4.5 million USDT linked to the breach as fund movements continued to be tracked.
Entities
Mercado BitcoinTetherPaolo ArdoinoUSDT
Why now
- Mercado Bitcoin has suspended deposits and withdrawals while it investigates the incident.
- Tether has frozen more than 4.5 million USDT linked to the breach.
Why it matters
- The incident has disrupted access to deposits and withdrawals at a Brazilian crypto exchange.
- Reported estimates of the affected value range from roughly $40 million to $46 million.
- The USDT freeze highlights the role of stablecoin issuers during security incidents.
Evidence assessment
Recurring claims
- Mercado Bitcoin suspended deposits and withdrawals after a security incident.
- Reports estimate the value involved at approximately $40 million to $46 million.
- Tether froze more than 4.5 million USDT linked to the incident.
How sources frame it
- Mercado Bitcoin Reports: neutral
- Tether: neutral
Reports differ on the estimated loss, citing approximately $40 million to $46 million.
All evidence
All evidence
Mercado Bitcoin, Brazil’s largest crypto exchange, hit by $46 million security breach
the_block_crypto · theblock.co · 2026-11-02 20:20 UTC
Mercado Bitcoin wallets keep moving funds after $46M hack
Cointelegraph · cointelegraph.com · 2026-11-02 19:05 UTC
Brazil's Largest Exchange Mercado Bitcoin Halts Withdrawals After $40 Million Hack
decryptnews · decrypt.co · 2026-11-02 16:46 UTC
Bitcoin Magazine
bitcoinmagazine.com · bitcoinmagazine.com · 2026-11-02 16:09 UTC
Crypto.News
crypto.news · crypto.news · 2026-11-02 15:57 UTC
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