Hardware manufacturer Trezor has said it has reduced the number of resellers it works with following supply-chain incidents related to its competitor Ledger. 

The Prague, Czech Republic-based company added in a Tuesday post on X that it was in the process of checking which vendors it works with. 

It added that there were no reports of any issues with Trezor devices. “Let us be very clear: there is not a single piece of evidence that Trezor devices have been compromised,” the company wrote. 

“This is a preventive step, taken out of an abundance of caution.”

Signing device manufacturer Ledger last week said it had started an investigation after customers in South East Asia reported they’d lost funds after buying from Malaysia-based reseller, CryptoBilis. 

Following recent supply-chain incidents, we decided to reduce the number of resellers so we can more effectively check those we work with.

Let us be very clear: there is not a single piece of evidence that Trezor devices have been compromised.

This is a preventive step, taken… https://t.co/pKF4tCHo5c

Ledger then said that one of the impacted users’ devices contained an unauthorized hardware implant. 

More reports of what appear to be tampered devices have since surfaced on social media but Ledger said Tuesday that only devices sold through CryptoBilis have been linked to lost funds. 

It added that it had only confirmed an unauthorized hardware implant in one affected user’s device. The implant, according to Ledger, was able to read a seedphrase when it appeared on the device. 

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