Facing a stranger, you have to trust each other.
A rare piece, a fair, someone you don’t know: today, one of you takes the risk.
RELICKEEPER
Learn more
The detail behind the video: the gesture, what it changes for you, the founding edition, and who is behind it.
It’s not a payment card — it’s your physical key of custody. One card, an app on your phone, one gesture: prove, keep and pass on what matters hand to hand — the object and its proof move together.
— Sovereign local ledger— No subscription— No middleman— Your data with you
The real problem
The objects that matter to you have no reliable memory.
Proof gets lost.
A paper certificate goes missing, an invoice disappears — provenance fades with every resale or inheritance.
You depend on others.
An app shuts down, a platform sinks: your proof goes with it.
Passing on happens blind.
When the day comes, your loved ones know neither what you kept nor where it came from.
In one gesture
Seal, keep, pass on.
01
Seal.
Read the Seal with your phone, then confirm with a tap of your card: it’s sealed.
02
Keep.
Timestamped ledger, kept locally. Your 24 words restore everything, even if the card is lost.
03
Pass on.
The object and its story pass on together.
Sovereign
Hand to hand, offline, revealing nothing about you. Anchor level: a record of the handover, verifiable without us.
Signed
Both parties e-sign; verified identities and a legally certain date at the higher levels. It holds legal weight.
Two ways to seal a transfer, your choice each time.
What it changes for you
Three things. Not one more.
1 · Facing a stranger, neither leaves without the other.
The object changes hands while its Relic changes cards.
2 · Proof it’s yours — in one gesture.
Bring the card to your phone: your custody is established.
3 · Resell, pass on: the story follows the piece.
Who held it, and when: at every resale, every handover, the history stays attached to the piece.
We don’t reinvent your objects. We give them a memory.
Your figurines, your cards, your numbered editions, your game pieces, your retrogaming — you already love them. RELICKEEPER doesn’t turn them into something else: it gives them a memory — their origin, their story, the proof they’re yours, and what it takes to pass them on.
Not tech bolted onto luxury. A memory for what you already love.
The product
One object, one app, a single gesture.
The card is your vault; the app is your gesture; the Seal links your objects to your custody. The terminal is the phone you already own.
The card.
Your vault, in your hand.
Black metal, two gold LEDs, engraved. Your vault, held in your hand.
Demo interfaceThe app.
One NFC gesture, no account.
Local, no account — iOS & Android. You seal with an NFC gesture.
The Seal.
Links the object to your custody.
It links an object to your vault: the sealed object carries its custody trail, from hand to hand. A single Seal can bring a set together; a digital creation is sealed without a Seal.
Illustrative visuals.
Seal · Keep · Pass on
Why now
Trust has changed sides.
1
Fakes keep improving: a piece with a known history is reassuring.
2
Platforms shut down, the cloud is no longer a guarantee — sovereignty returns.
3
The digital product passport is arriving in Europe — verifiable provenance becomes the norm.
The founding moment · Block 0Reserve my card — €5
RELICKEEPER opens its founding edition.
A use that didn’t exist before 2026: NFC in every phone, the qualified signature and the sovereign chip, finally brought together. You’re not joining a finished gadget — you’re joining the Block 0 of a new use. Numbered edition; a card engraved with your number, a welcome credits* bonus, early access.
Today
Reserve your card — €5 deposit, refundable.
Mid-February 2027
Ulule campaign: your deposit is deducted.
Then
Delivery of your numbered card.
* credits are the app’s usage credits (for protocol actions, e.g. gifting a relic). Not euros, and not required to get started.
The founding edition
The founding edition in detail.
- ✓Card engraved with your number
- ✓Your card grows with your collection
Indicative prices: the final price and delivery date of each card will be communicated before the campaign opens. Scalable capacity: move from one tier to the next without changing card. The app: 3 seals per month included, then top up in credits
Founder perks: card engraved with your number, welcome credits bonus, early app access. Reserve your card with a €5 deposit — deductible from your order on opening day and refundable at any time. It’s not a purchase; the Seals and packs open with the campaign. Reservation terms →
Choose your card. It will be engraved with your founder number.Who’s behind it
A French maison, a simple conviction.
YTY — a French company based in Paris. We believe that what matters must stay yours: its proof, its story, its transmission — without depending on a platform that can shut down. We take up the gesture of the smart card, a French invention, and put it to work for your objects.
“Memory becomes matter.”
Your questions.
What happens when I reserve for €5?+
You lock in your founder number and package. The €5 deposit is deducted from your order on opening day, and refundable at any time until then. It’s not a firm purchase: no delivery date is promised at this stage.
Am I refunded if I change my mind?+
Yes, at any time until the campaign opens. One email is enough; the deposit is returned in full.
Is it a payment card?+
No. It’s your physical key of custody. It takes up the gesture of the smart card, not the payment.
Does RELICKEEPER tell you whether an object is original?+
No. It keeps a record of who has had custody of it, and when. Have your pieces examined by an expert before sealing them.
Is my data published to a public ledger?+
No. Your data stays with you.
What if I lose my card?+
24 words restore your custody.
Is there a subscription?+
No. You top up in credits as you use it.
What are credits?+
credits are the app’s usage credits. They pay for protocol actions — for example, gifting a relic to someone. They are not euros, and you don’t need any to get started: 3 seals per month are included and the card ships with a starting credits balance.
Which phone does it work with?+
Any NFC phone, iOS & Android.
Does the transfer have legal value?+
Sovereign: a record of the handover, verifiable without us. Signed: from Simple (both parties sign) to Maximum (verified identities, a legally certain date).
When can I get it?+
The founding edition at the Ulule campaign in mid-February 2027. Reserve today with a €5 deposit to lock in your number, or simply leave your email to be notified.
Block 0
Reserve your Founding Edition card.
Lock in your founder number and package with a €5 deposit — deductible from your order, refundable at any time.
Today → mid-February 2027 (Ulule) → delivery