Three hardware wallets on a desk do not automatically make a three-key security arrangement. The important question is which independent keys the spending policy recognises, and how many of their signatures it requires. Different colours, manufacturers or device locations cannot answer that question.
The Bitcoin developer guide to transactions explains multisignature conditions in terms of public keys and required signatures. A two-of-three policy, for example, requires valid signatures corresponding to two of its three authorised keys. This is a spending rule, not a vote among device brands.
Count keys before counting objects
Imagine a simplified arrangement with independent keys A, B and C. Losing access to A need not prevent spending if B and C remain available and the wallet can reconstruct the spending conditions. However, two devices restored from the same signing seed do not provide two independent keys merely because they are separate objects.
That distinction matters when drawing a recovery plan. Write down the roles without recording secret values in a shared document: which party controls each key, which devices are copies, and what combination would remain available after a loss. A diagram should describe the actual configuration rather than an intended configuration nobody has tested.
Recovery also needs the wallet’s configuration
The required information depends on the wallet and script type. A wallet descriptor or equivalent configuration may contain the public-key and derivation information needed to identify the arrangement. Treat the wallet provider’s recovery documentation as part of setup, not something to search for only after a device fails.
Use a supported test environment to rehearse recovery before relying on an unfamiliar design. Confirm that the restored wallet identifies the expected test funds and can satisfy the intended threshold. Do not enter signing secrets into a website, support chat or general-purpose online checklist.
A useful final question is practical: can the remaining authorised people recover the arrangement using the instructions they actually possess? An impressive device collection offers little reassurance if its keys, backups and recovery information have never been distinguished.