Ledger has confirmed that at least one affected hardware wallet contained an unauthorized hardware implant as the cryptocurrency security firm investigates reported losses potentially exceeding $86 million across Bitcoin, Ether, and TRON.

Blockchain investigator, Specter, estimated the losses could surpass $86 million although Ledger has not confirmed the total amount stolen or the number of affected customers. The cases reported so far involve devices sold through Southeast Asian reseller, CryptoBilis, which has suspended hardware wallet sales pending the investigation.

Ledger said its infrastructure, systems, and services were not compromised and described the incident as apparently isolated to the…