Sourcing: single source, treat as unconfirmed until corroborated.
CryptoBRIEF
Mercado Bitcoin hack continued hours after exchange said attack was contained, report finds
CoinDesk reported on Thu Nov 5, 4:44 AM CT, unconfirmed by other outlets so far: Mercado Bitcoin hack continued hours after exchange said attack was contained, report finds.
What happened
Reported from CoinDesk. Site-only brief: it was not posted on X.