https://www.heise.de/en/news/Crypto-thieves-sell-hardware-wa...
https://crypto.news/ledger-confirms-hidden-chip-in-crypto-wa...
https://www.youtube.com/watch?v=8JnHdr30v4g
https://www.youtube.com/watch?v=Nf4FEFlgv3Q
https://www.tibane.net/research/ledger-nano-x-implant