We Buy the Chateau

Let's create an exclusive and forward thinking community of CryptoPunk, Digital Nomads, Creators and Wine Lovers in the middle of France together.

Cos d ' Estournel Castle

Coliving & Coworking in the Chateau

Live, work and create remotely with the full respect of personality and privacy. Enjoy fully equipped coworking space and wi-fi all over the place. There is a significant discount rate for Solar Castle NFT owners.

Your Own Vineyard & Winery

Receive two bottles of wine every year for each NFT token you own. Order delivery or visit chateau to pick them up. Promote our wine across the local distributors and restaurants to help our business flourish.


Let's Build and Create Together

Solar Castle is about networking in the real life with fellow entrepreneurs and activists to invent together our future. The space will be shaped to facilitate and inspire interactions, engagement, co-creation.


Solar Castle embraces a positive vision of our future where technology enables humanity to sustainably co-exist with its environment. As part of our commitment to earth regeneration Solar Castle will host, fund and promote initiative and Work Groups committed to that goal.



Our Castle is a perfect venue for 100+ people events. As a member you will be invited to private parties created by and for us and get a discounted rate to privatise the Castle for yours.

We build Solar Castle as a DAO - funded by us and run by us. All members are invited to join the Managing Guilds, have the right to present CIP (Castle Improvement Proposal), engage in debates and vote according to the governance process ratified by us. Join our Discord to get involved.



  • First DAO in Europe to acquire and manage a real estate property collectively

  • Hub for networking, day to day, and during highly visible events

  • Be a showcase for community-driven regenerative projects with innovative business models


  • Human first: Metaverse is a trendy fraction of Life, we are bullish on IRL.

  • Transparency: Legit, Robust, Sound, Open source. We are not afraid to be transparent.

  • Hodl: We are here to transform the society, not for speculation.

Co-ownership and Governance


How it works

  • NFT which you can trust: Smart Contracts of Solar Castle DAO will be audited by SalesForce Community to ensure transparency,

  • Staggered Membership NFT sale to build DAO treasury, 

  • DAO, with NFT-gated, is created in order to govern the project,

  • DAO open an Eternal Bounty for member contribution (rewarded in Membership NFT and Castle Token)

  • DAO members are involved for selecting the Castle to acquire,

  • Part of Treasury is used for acquisition

  • DAO select Architect Studio based on RFP

  • Member can use the Castle from Day 1 while transformation is in progress

  • Member use Membership NFT to redeem Castle Token burnt to spend time in-situ









  • Early investors

  • Legal structures

  • Public content

Public Launch:

  • Token/NFT mintable

  • Launch DAO

  • Governance approved

Castle Funding:

  • Third round

  • Castle purchase

  • Architect studio


  • Ground Work

  • Refurbishment

  • Sub businesses launch




Why should I buy a Solar Castle NFT?


  • Governance: initiate proposals and vote on ideas raised by other community members.

  • Significant discounts to stay in the Castle or rent for your private event.

  • Two bottles of wine annually from our own winery.

  • Membership: invitations to exclusive events, networking with entrepreneurs, digital nomads, crypto-enthusiasts.

Who owns the castle ? 


In short, you, as a member and part of the Assembly owning and managing the Castle. Technically, The Castle will be the property of a French Limited Liability Company registered as a SAS (Société à Actions Simplifiés) itself owned by a Swiss Association. The local french company is required to proceed to the real estate transaction, receive income and pay bills for the management of the place. The Swiss Association is the legal entity standing for the DAO, it's registered as Not for Profit and as the clear advantage of being a trusted structure in regards of international laws.

How are the funds secured within the DAO?


As in any DAO, any expenditure is subject to member’s vote. A proposal with a destination address shall be published and voted before any fund transfer. Fund are managed by elected project lead via a multi-signature wallet. The treasury can only be used for activities defined in the Swiss Association Articles.

What is the difference with crowdfunding?


With a crowdfunding you usually just get a one-off benefit proportional to your contribution. It would be T-shirt, a free night or a free event in our case. At Solar Castle DAO, NFT represents your membership and gives you unlimited right to attend events, stay at the Castle and use facilities. NFT are also by nature tradable, so you can sell them later if you feel that participation in the Solar Castle community doesn't bring you value anymore.

How do I make money with the Solar Castle NFT?

We are not here for the money but for fun and Crypto cred. Solar Castle DAO wants to become the place to be for cryptopunk, digital nomads, creatives, the place where ideas emerge and materialise. 

However, during the 6 staggered phases of the NFT sales, the price of the NFT has been shaped to progressively increase with an average 20% price increase. As a result, early buyers in the Seed phase will see their NFT appreciating 3 times when the Castle open. 

How does Solar Castle DAO treasury protects itself against a bear market?

While NFT get sold, 90% of the Treasury will be converted to Stable Coin and staked to guarantee a minimum yield while the project progresses towards completion and protect your investment.  

Is it legal?

Yes, Swiss Association is a recognized legal structure used by many other blockchain projects (including the Ethereum Foundation) and DAOs. In our case, the Swiss Association will be allowed to mint NFT and Token in order to constitute the Castle treasury. This treasury will then be invested for the creation and funding of the french entity responsible of the acquisition and management of the property. 


More details about Swiss Association on and 


What are member and non-member rates?


While the Castle is your property through the DAO and NFT membership grant you access to the Castle facilities (rooms, co-working, event), we recognise that some minimal cost are associated with each of them to provide a good quality of service (a clean room, hot water, a restaurant stocked with food). As a member, you will have to pay for those services at a flat price. 


Non-member willing to visit Solar Castle are welcome. It’s in fact part of the business model and we recognize that to ensure a maximal valorisation of our physical asset we shall encourage such economic activities. Non-member however will pay a full price for services and access to facilities. Non-member price is around 5 times the price of a member and equivalent to a similar premium venue/B&B in the area.


What is the aesthetic of the Castle? 


Solar Castle DAO is a Solar Punk dream and will as such feature many regenerative ideas. We will have a natural swimming pool not a concrete one. We will produce as much food as we can to be used in our kitchen, we will have forest based accommodations in tree houses and tiny houses, we will be human centric and use technology only as a way to improve the quality of our relations with nature and our human brothers and sisters. 

Is it ecologically viable to live in a Castle?


We live in a world of scarcity. Having a 600 sq m castle with several hectares of land owned by a single family of 4/7 makes no sense ecologically speaking. By reclaiming this heritage and using it to host 50+ people via a community of hundreds is a very different story. 


Many may think heating such a place is expensive. It’s true but even a large property obeys the same thermodynamic rules. Roof, wall, opening and floor insulation associated with efficient heat sources (heat pump, central pellet burner, solar hot water) are working solutions even in a Castle. Actually, making this place most energy efficient than possible is a very honourable objective. 


Are there French real estate regulations that could limit our Castle transformation plans?


Yes, most castles in France are listed in a national register with either a “Classé” or “Inscrit” status (see When registered such properties must obtain an approval to be renovated and their transformation should be overseen and handled by an experienced architect. In a nutshell, they must be kept visually identical and use appropriate materials. 


This should be factored during the Castle selection phase. But the keyword for us will be creativity.


What is the benefit of being a listed property?


Beyond the well known limitations that constrain us to respect the historical heritage, there are many fiscal advantages for renovating such places. For example, we could obtain up to 50% grant from french Culture and Heritage Ministry to renovate the property. As a public place, most renovation and maintenance costs will also be deductible from the company taxes. 


Is the Castle a ruin? 


No, to be able to quickly open, we shall seek a property that is functional straight away and only require minimal improvement. Restoration of a historical castle may take years and cost many time the property acquisition.


Can I be involved without token/NFT? 

Of course and please do. We recognise that the cost of membership may be prohibitive for some. That’s why a part of the DAO treasury is dedicated for grants and to recognise the effort of contributors, members or non-members. Our Eternal Bounty will be open to everyone and be rewarded either with Token or Membership NFT. That’s the way for you to join without upfront money.

Okay, I am in. How should I start?

  1. Join our Discord group.

  2. Say 'Hello' and briefly introduce yourself.

  3. Select the guild where you want to contribute: business model, legal, IT or marketing.