---
title: accueil
description: Œuvre d’art physique et numérique. Les tirelires Bitggybank de l’artiste Res Nullius mêlent rareté, épargne et blockchain. Prêt à tenter l’expérience ?
image: https://www.resnullius.io/hubfs/cochon-blinde-vignette-accueil.webp
---
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Comming soon 2026
# Bitggy bank: the piggy bank of the 21st century
Your physical and digital safe.
A place for your gold, your cash... and your Bitcoins.
One day, you'll have to choose.
[Personalized piggy bank](https://www.resnullius.io/form-tirelire-personnalis%C3%A9e?hsLang=en) [NFT Collection](https://www.resnullius.io/genesis-collection?hsLang=en)
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More than a symbol
## Why a pig ?
A universal symbol of saving, the pig has stood the test of time.
For a long time, it has embodied a simple and tangible investment.
Even today, it poses the same question:
keep... or break?
## Scarcity and destruction
Your safe has no hole... only a hammer. Each piggy bank is designed to last, but not forever.
Made of porcelain and numbered, it is as rare as it is tamper-proof.
To retrieve what it protects : coins, bills, or Bitcoin, there is only one solution: break it.
A definitive, irreversible act... that leaves behind only a memory.
How does your piggy bank protect your savings?
## Safety & operation
- Bitcoin private key
- Clé publique
- USB-C cable
- Physical security
Bitcoin private key
#### Opendime USB Bitcoin Private Key
A unique Bitcoin private key is generated and encrypted via an Opendime USB key.
As long as the key seal remains intact, the private key remains inaccessible.
[Learn more about the Opendime key](https://opendime.com/faq)
Clé publique
#### Public key QR code
A QR code visible on the physical artwork allows you to obtain the Bitcoin public key linked to the private key.
The public key QR code makes it easy to send Bitcoin to the wallet and/or check its balance.
USB-C cable
#### USB-C cable connected to the opendime USB stick
A discreet cable under the pig is connected to the Opendime USB key.
Connect the piggy bank to a computer to verify the authenticity of the wallet and/or check its balance.
Physical security
#### Irreversible physical security
Each Opendime USB key is sealed inside the piggy bank using industrial epoxy.
It is physically impossible to access the key without breaking the porcelain. Once the piggy bank has been broken and the USB key removed, the user must remove the physical encryption seal from the Opendime to unlock the Bitcoin private key.
[Learn more about the Opendime key](https://opendime.com/faq)
Make the right
## Saving is a choice
%
Value lost by the dollar ($) since 2000
%
Value lost by the euro (€) since 2000
%
Gold price increase 2020/2025
%
Bitcoin rise 2020/2025
## FUNCTION: ANTI-FOMO
In a world where everything pushes us to act too quickly, BitggyBank does not prevent you from accessing your Bitcoins. It simply prevents you from accessing them too easily. Breaking the object means giving up its rarity. So often, we wait. And sometimes, that's exactly what we need to do.
## 1 single point for a partnership
Projets crypto, entreprise & protocoles Web3 : les BitggyBank transforment votre identité en objet désiré. Une collaboration visible, tangible et partageable.
**Intéressé par une collaboration ?**
Remplissez le formulaire de personnalisation.
More than a symbol
## It's not just an object !
Do you think this is just humanity's first physical and digital piggy bank ?
Once connected, the story is just beginning.
And now... we can start playing. #WEB3
### Personalized Bitggy bank piggy bank
Add your logo, message, or unique design.
[Fill out the form](https://www.resnullius.io/form-tirelire-personnalis%C3%A9e?hsLang=en)
### Res Nullius "Genesis Collection"
Discover the first NFT & physical collection.
[Learn more](https://www.resnullius.io/genesis-collection?hsLang=en)
> “Are you a digital art collector or a lover of rare curiosities? This project has caught your attention... Leave your mark and contact Res Nulius directly.”
Votre nom. Prénom
**Collectionneur**
> Does this project resonate with you? Here is a space to fill, to break, to sign. A testimony, a feeling, an impulse. Leave your mark.
Votre nom prénom
**Amateur d'art**
> “There are those who watch... and those who make their mark. This space is yours: say what you feel. Leave a word. A doubt. An intuition. Leave your mark.”
Votre nom prénom
**Investisseur**
## Want to join the Res Nullius experience? The adventure begins now.
[Register Now](https://www.resnullius.io/form-communication?hsLang=en)
---
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