Everyone worries about the little device — losing it, breaking it, dropping it in the sea. The device was never the point. The seed phrase it showed you on day one is the entire wallet, mathematically; the gadget is just a very secure calculator for using it. Grasp that inversion and every crypto-storage question answers itself.
Any compatible device plus your 24 words rebuilds the wallet perfectly. No device on Earth plus no words rebuilds nothing. Every scenario below is just this sentence wearing different clothes.
At setup, the device generates a random seed and expresses it as words from a fixed 2,048-word list — a human-friendly encoding of a very large number. From that one seed, standard mathematics derives every private key, and from those keys every address your wallet will ever use, in a sequence any compatible wallet can reproduce exactly. That’s why restoration works on any brand’s hardware, why the same phrase always resurrects the same coins, and why the words are called a seed: the whole tree grows from them, identically, every time. It’s also why there’s no ‘forgot my phrase’ button anywhere in crypto — the phrase isn’t stored on some server to be reset; it is the mathematical root of everything, known only to whoever holds the paper.
Since the words outrank the device, their storage deserves the real thought. The doctrine, from sensible to serious: paper, twice — written clearly, stored in two separate locations that flood and fire won’t claim together; metal, for conviction — stamped or engraved plates laugh at house fires that turn paper to regret; never digital by design — no photos, no cloud notes, no password managers, because anything network-touched inherits the network’s risks. And the pragmatic footnote the textbooks omit: people photograph them anyway, and when that phone or backup drive later dies, the photo on failed media becomes a recovery job we handle regularly. Perfect doctrine is better; recoverable imperfection beats loss. What has no recovery path at all: the phrase that never existed anywhere but the device’s screen on day one.
Device broken or bricked by an update: a hardware inconvenience — restore the phrase onto a replacement and the balance reappears untouched, because it never lived in the plastic. Device lost or stolen: the PIN and wipe-after-tries protections buy you time; the phrase spends it — restore onto new hardware and move funds to fresh addresses for certainty. Phrase destroyed, device still working: quietly the most urgent scenario on this list — the device is now the last copy of the keys, one failure from finality; transfer everything to a newly-created wallet whose words you do hold, today. Phrase and device both gone: the scenario the whole doctrine exists to prevent, and the honest page on it is our bench’s least favourite conversation — the chips resist extraction by design, and the blockchain holds no appeals process. Which door you end up at is decided long before the crisis, by where the words live.
They own your crypto — instantly, silently, from anywhere on Earth. The words don’t unlock your device; they are the wallet, and anyone holding them can rebuild it on hardware of their own. This is why the phrase belongs on paper or metal in places you’d keep a passport, why no legitimate service ever asks for it, and why every ‘support agent’ requesting it is a thief mid-sentence.
Not on the existing wallet — the phrase and the wallet are mathematically the same object. The correct response to a possibly-exposed phrase is a fresh start: set up a new wallet (new device or reset device, generating new words), then transfer every asset from the old addresses to the new ones. The old phrase then guards an empty room, which is all a compromised phrase should ever guard.
Very possibly — and this is precisely the wallet recovery we do. The security textbooks say never photograph your phrase; the bench says plenty of people did, and when that phone, memory card or backup drive fails, retrieving the photo or file is standard media recovery: the storage is imaged, the files are extracted, and your words come back. Charged as bench work with a written quote — never as a slice of what the wallet holds.
Seed photos, wallet files and backups trapped on failed drives, phones’ cards and sticks are recoverable territory. Free, confidential assessment at the Belfast lab; written quote before anything.