# Ledger Flex Added to CryptoBills-Linked Hardware-Wallet Cases

By Simon Yoon

Canonical URL: https://www.tokenpost.com/news/technology/29942
Published: 2026-10-11T23:30:05.000Z
Updated: 2026-10-11T23:30:05.000Z
Section: Technology

> Security researcher Cosine said Ledger Flex and other mainstream Ledger models may have been altered through distributor CryptoBills.

Security researcher Cosine said Ledger Flex is among closely linked cases involving potential tampering of mainstream Ledger devices distributed by CryptoBills, raising a supply-chain security concern for crypto users.

Cosine also identified Ledger Nano X and other mainstream Ledger models as potentially affected through CryptoBills.

The warning was issued Sunday, Oct. 11, at 7:25 p.m. ET (23:25 UTC).