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World's first distributed cloud is here. Privacy by design, forever-free, lightning-fast, expandable up to 4TB and more. Join the Swarm
World's first distributed cloud is here. Privacy by design, forever-free, lightning-fast, expandable up to 4TB and more. Join the Swarm
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1,691 backers pledged €410,750 to help bring this project to life.
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Cubbit: reinventing the cloud 🐝

€410,750

1,691

Forget monthly fees and data breaches. Forget corporates invading your privacy. Forget running out of space.

That was the old world.

Cubbit opens a new world built on privacy and freedom.

Freedom from data rent seekers. Freedom to store and share in total privacy. Freedom from limited data plans.

This is Cubbit: the next evolution of data storage.

Cubbit is the distributed cloud.

Like Dropbox, iCloud and other conventional cloud storage services, Cubbit lets you access and share your data from anywhere in the world, with a finely-crafted user experience and the features you’re familiar with. 

But unlike “the cloud”, Cubbit is not based on any centralized data center. This allows for an unprecedented set of advantages for the user, such as:

  • no monthly fee: it’s free for a lifetime 
  • it is expandable up to 4TB just by plugging in any USB hard drive for free 
  • it is zero-knowledge and end-to-end encrypted so that no one can access your data
  • it is 10x greener than conventional clouds based on data centers

Cubbit is not a NAS either. Unlike any NAS / personal cloud device:

  • you get smooth and blazing-fast remote access from anywhere in the world, regardless of your home connection 
  • your data are always available and safe, whatever happens to your device 
  • it is truly user-friendly 

Cubbit is already up and running in beta in more than 10 countries and now ready to launch worldwide - together.

Cubbit is a breakthrough: the privacy of personal storage and the comfort of the cloud, all wrapped into a smooth user experience.

This is made possible by its revolutionary distributed architecture, that connects the users to each other to form a collaborative network where the whole is more than the sum of its parts. Like bees in a swarm.

 The node of this network is the Cubbit Cell.

Cubbit grants a unique set of features that go beyond the cloud, the hard drive, the NAS and anything in between.  

The Cell is a plug-and-cloud device. Connect the Cubbit Cell to your router and immediately get 1TB of cloud space

Need more cloud space? Just plug in any USB hard drive and turn it into cloud. For every 2GB of physical storage you provide, you get 1GB on your account, up to 4 TB of cloud space. And, guess what, this is also for free.

Need even more? You can connect more than one Cubbit Cell to the same account: the sky is the limit.

It is not about trust, it’s about math.

Thanks to Cubbit’s cryptographic architecture, it is mathematically impossible for us and anyone else to look into your stuff.

Your data is protected by AES-256 encryption, a military-grade protocol used by the US government to protect top secret files. The encryption key is generated client-side and never known to us or anyone else. All transfers are performed through end-to-end encrypted channels

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We are crafting Cubbit to make your experience magical and personal. Everything is carefully chosen. Every interaction is natural and clear

From Cell shape to the user interface, we have handpicked each and any feature to build a vision of beauty and simplicity

As smooth as it should be.

Remember those times when you tried to share a folder, but your mum/wife/husband/friend was running out of cloud space? Even a few gigabytes could get in the way.

But not anymore. With the Cell you get up to 4 independent cloud accounts, each with its own files and folders for you and your loved ones. 

Assign each one of them how much cloud space you want, and keep everything easily under control, all in one place.

The Cubbit Cell is not waterproof: your data is. 

How many times have you lost months - years? - of work and memories because you relied on short-lived physical disks? 

This is simply impossible with the Cubbit Cell.

Whatever happens to your Cell - a disconnection, a blackout - your data are always perfectly safe, accessible anywhere.

Your data are not inside your Cell: they are everywhere, spread over the swarm of Cubbit Cells.  

Distribution matters: you always download from Cubbit at ludicrous speed, thanks to multiple, parallel, peer-to-peer connections. Unlike with a “personal cloud device” or a NAS, you are not limited by your domestic upload bandwidth when you are away from home

What’s more, the location of the user’s data can be optimized to be in his or her geographical proximity, which ensures the maximum transfer speed. Data centers cannot be close to everyone, Cubbit can.

This is what it feels like to have a swarm by your side.

Uploading large files to the cloud has always meant long, boring waits for the transfer to complete.

Now, those days are over. 

If you are connected to the same local network of a Cell - yours or someone else's - the upload is near-instantaneous, since the Cell itself will take care of syncing the files to the cloud. 

Stop waiting for the transfer to complete: you are pure lightning. 


You know that old HDD lying there in your closet that you haven't used in a while? Back Cubbit and recycle it into cloud space. 

So you would like a Dropbox-like service but you don’t want to pay every single month for the rest of your life? Back Cubbit and get the all-you-can cloud, for $0 a month. 

Cubbit is the only place online where to store all your photos and videos in high resolution for free. Back Cubbit, get the quality you deserve.

Have you ever lost or broken your hard disk? Would you trust your memories to such an unreliable support? Back Cubbit and never lose your data again.

Are you a professional who deals with sensitive data, such as a doctor, a lawyer, a consultant and thus can’t save them on the cloud? Keep calm: on Cubbit, you can.

Today, the internet runs on server farms - giant, polluting, centralized square miles of always-on computers, guarding (and milking) everyone’s data.

This has profound consequences: increasing data breaches, damage to the environment, unscalability of the infrastructure, and privacy on its last legs.

We have designed Cubbit to tackle these issues. 

That’s why Cubbit is distributed. Distribution makes the impossible possible. By joining our forces we can fix the cloud, and by fixing the cloud we can fix the internet.

This is how.

On the top of the distributed network runs an Artificial Intelligence, i.e., a suite of machine learning algorithms that, like an orchestra conductor, optimizes the network making it increasingly faster and more efficient with time. 

The intelligence of the coordinator combined with the power of distribution is what makes Cubbit one of a kind: the first that provides top performances at extremely low operating costs, allowing for the first cloud service that is free of charge for the final user.

When you upload a file to your Cubbit Cell, it gets encrypted with AES-256, split into dozens of chunks, each one distributed in multiple copies across the network of Cubbit Cells via end-to-end encrypted channels.

When you remote-access your file on Cubbit, what you are actually doing is asking the AI coordinator where your chunks are. As soon as you receive this information, you connect to the corresponding Cells through peer-to-peer end-to-end encrypted channels. Then you download the chunks, reassemble the file and decrypt it with the key that is retrievable to you and you alone.

The beauty is that the AI coordinator is cryptographically blind: during the whole process, the coordinator never gets to know neither the content of the file nor the encryption key. This is our zero-knowledge cryptographic architecture. 

The files you save on Cubbit are not simply spread over the network in encrypted form. If that were the case, your data would be lost as soon as one of the Cubbit Cells storing your chunks goes offline! 

Cubbit makes this impossible to happen by implementing a redundancy procedure based on Reed Solomon error-correcting codes: each encrypted file is split into 24 pieces, and then processed into 36 redundancy shards. Out of the 36 shards, only 24 of them are necessary to retrieve the original encrypted file. 

Ok, but… which shards? Here comes the magic: any 24 of the 36 redundant shards. This is the marvel of the Cubbit’s redundancy protocol. 

In typical operating conditions, this procedure alone ensures a statistical persistency of ~ 99.9999%. In other words, the probability of data loss is smaller than one in a million

Moreover, the AI monitors the uptime status of each Cell and triggers a recovery procedure when the total number of online shards reaches a threshold of 30/36, virtually achieving 100% persistency

Bottom line: data saved on Cubbit cannot be lost.

Can you imagine what would happen if every minor edit on Wikipedia needed a referendum to be approved? 

In a sense, that’s how blockchain works: a constant referendum where everyone has a say. In theory, it is awesome; in practice, for complex applications such as cloud storage, it does not work.

A cloud worth its name must be able to work under tight time constraints, that’s why we don’t entrust authorizations and metadata to a decentralized system but rather to the AI coordinator, so that these lightweight operations are performed efficiently in milliseconds in order to ensure the smoothest user experience and the highest security and privacy at the same time.  

The cloud of today is an environmental disaster. 

The whole Information and Communication Technologies (ICT) ecosystem (i.e., the internet infrastructure) accounts for 10% of the world energy consumption, about 1500 Terawatt hour per year. Just to give you a range of comparison, this is equal to the total energy demand of Germany and Japan combined. 

Data centers contribute substantially to the internet’s carbon footprint, producing alone more than 110 million tons of CO2 every year.

Cubbit tackles this issue by addressing the two main root causes of the cloud’s environmental impact:

  •  Storage consumption: keeping the data remotely accessible on the cloud needs a constantly-operating and cooled-down infrastructure of storage racks.
  •  Transfer consumption: similarly, transferring data over long distances heavily increases the data traffic on the internet relay nodes, requiring additional energy to operate the routing infrastructure.

Cubbit makes these problems obsolete.

First, with Cubbit there is no data center to be cooled down. Actually, there is no data center at all. Cooling energy already accounts for 50% of the storage energy consumption in data centers.

Second, the Cubbit Cell features a low-consumption ARM processor, characterized by an extremely high energy efficiency. Because of their efficiency, ARM processors are, in fact, standard in mobile devices. 

Third, the coordinator can optimize the distribution of a file’s chunk to be in the proximity of its owner. Data centers cannot be close to every user, but Cubbit can: by optimizing the location of the users’ data for geographical proximity, it reduces the energy consumption of data transfers while, at the same time, maximizing the transfer speed. 

The implications are tangible already on a small scale.

For each 10 TB saved on Cubbit, 1 ton of CO2 is saved every year. Now consider that, in the US alone, there are about 350 million TB of data held in data centers. 

The Cubbit of today is the first step towards the Cubbit of tomorrow. 

Our distributed cloud storage is just the beginning. We have many major steps in our future roadmap, such as:

  • Distributed Web Hosting
  • Distributed Virtual Private Network
  • Distributed Content Delivery Network
  • Distributed Cloud/Edge Computing

Today, the internet is inefficient: it is not able to scale in proportion to the staggering rise in demand. Every service we were used to accessing locally - music, photos, movies - is now on the internet. At the current state of the art, this is not sustainable. If we keep going down the path of the centralized infrastructure, we will damage the environment irreparably. What’s more, this infrastructure is not compatible with privacy and security at scale, since it relies on single point of failures. These limits seem insurmountable today, but are not set in stone. Here's where Cubbit steps in. Our vision is to overcome the limits of the centralized infrastructure of the internet.

This is Cubbit. 

Together, we can change the cloud, and by doing so, shape the new internet.

Cubbit R&D has a long story. Check out our timeline - and let's get further together. 



This project is supported by Jellop, the ad tech power behind the best Kickstarters with 650+ successful Kickstarter projects with over $300MM raised between them.

Safety is in numbers. Save anything, fear nothing. Join the Swarm!

Risks and challenges

Cubbit’s software is already up and running in beta in more than 10 countries around the world. Hundreds of beta testers already use our web application daily to store and share their files in perfect safety.

Everything is already in place to launch the production of Cubbit Cells. Our California-based industrial partner has a long history of hardware manufacturing and the joint prototyping started several months ago, in July 2018. The main issues, such as logistics and packaging, have already been solved.

Cubbit has been presented in several scientific and technological conferences gathering enthusiasm and approval from the scientific community. In 2018, Cubbit partnered with the CERN and other 11 industrial/academic partners for an EU-wide project aimed at renovating the cloud infrastructure for science.

Our team is rock-solid and laser-focused. We are in the final process of the development but we’d love to hear your suggestions as regards new features to make Cubbit even better, provided they do not dramatically affect our roadmap.

Cubbit is supported by Techstars, the third most important startup accelerator in the world, and other global-class partners. It is funded by the European Commission along the H2020 framework programme.

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  1. Select this reward

    Pledge €1 or more About US$ 2

    Show the world your support

    Thanks! You’re helping to shape the future of the cloud. Bee proud 🐝

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    Cubbit Cell 512GB

    Save €40 (retail price €299).
    You get a Cubbit Cell with 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
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    Cubbit Cell 1TB

    Save €50 (retail price €379).
    You get a Cubbit Cell with 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB. This reward is ideal if you need more than 512GB and you have no external hard disks at home.

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
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    I was there on day one!

    Let the world know you showed your support right on the first day. If you like, we'd love to include your Name among the pioneers in a special section of our website.

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    Super Early Bee - Cubbit Cell 512GB

    Save €100 (retail price €299).
    You get a Cubbit Cell with 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
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    Early Bee - Cubbit Cell 512GB

    Save €80 (retail price €299).
    You get a Cubbit Cell with 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Bee - Cubbit Cell 512GB

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    [limited pledge]
    You get a Cubbit Cell with a base of 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
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    Bee [extended] - Cubbit Cell 512GB

    SAVE €50 (retail price €299)
    [Last chance to get your special limited reward!]

    You get a Cubbit Cell with a base of 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.
    #StretchGoal unlocked: you'll be able to try Cubbit beta before your Cell ships!

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Super Early Bee - Cubbit Cell 1TB

    Save €100 (retail price €379).
    You get a Cubbit Cell with 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB. This reward is ideal if you need more than 512GB and you have no external hard disks at home.

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Early Bee - Cubbit Cell 1TB

    Save €80 (retail price €379).
    You get a Cubbit Cell with 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB. This reward is ideal if you need more than 512GB and you have no external hard disks at home.

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Pledge €319 or more About US$ 352

    Bee [extended] - Cubbit Cell 1TB

    SAVE €60 (retail price €379)
    [Last chance to get your special limited reward!]

    You get a Cubbit Cell with a base of 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB. This reward is ideal if you (and your family) need more than 512GB and you have no external hard disks at home to be dedicated to your Cell.
    #StretchGoal unlocked: you'll be able to try Cubbit beta before your Cell ships!

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    2-pack | Cubbit Cell 512GB

    Save €183 (retail price €598).
    Need up to 8TB? Or, want to bring a friend on the Swarm? Looking for a thoughtful present? 🐝+ 🐝
    You get 2x Cubbit Cell 512GB, each one with 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts per personal Cell
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    2-pack | Cubbit Cell 1TB

    Save €193 (retail price €758).
    Need up to 8TB? Or, want to bring a friend on the Swarm? Looking for a thoughtful present? 🐝+ 🐝
    You get 2x Cubbit Cell 1TB, each one with 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts per personal Cell
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Ships to Anywhere in the world
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    Beehive | 5x Cubbit Cell 512GB

    Save €500 (retail price €1,495).
    Need up to 20TB? Or, want to bring several friends on the Swarm? Looking for many thoughtful presents? 🐝🐝🐝🐝🐝
    You get 5x Cubbit Cell 512GB, each one with 512GB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 512GB (expandable up to 4TB)
    • Up to 4 independent cloud accounts per personal Cell
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Beehive | 5x Cubbit Cell 1TB

    Save €550 (retail price €1,895).
    Need up to 20TB? Or, want to bring several friends on the Swarm? Looking for many thoughtful presents? 🐝🐝🐝🐝🐝
    You get 5x Cubbit Cell 1TB, each one with 1TB of zero-fee, encrypted cloud space, expandable up to 4TB just by plugging in any hard drive via USB.

    Includes:
    • Cubbit Cell 1TB (expandable up to 4TB)
    • Up to 4 independent cloud accounts per personal Cell
    • Ethernet cable
    • Your Name in a special section of our website (optional)
    • Priority shipping
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    Ships to Anywhere in the world
    Reward no longer available 4 backers

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Funding period

- (33 days)