CUANDEORO
ES EN DE NL AR
Testnet · Validación
Platform under validation — no real funds  |  Plataforma en validación — no usar fondos reales Stellar Testnet v.RC-2.1.0

Cuandeoro: Revolutionising Real Estate and Fintech

Cuandeoro is at the forefront of integrating cutting-edge technology with traditional real estate and financial services. Our innovative solutions are designed to meet the needs of modern investors, from buy-to-let landlords to High Net Worth Individuals (HNWI/UHNWI) and family offices.

Our platform leverages the power of blockchain technology to provide secure, transparent, and efficient services. We utilise Smart Escrow and Path Payments to ensure that transactions are executed seamlessly and securely.

In compliance with eIDAS and MiCA regulations, we ensure that all operations are conducted in accordance with the highest standards of security and compliance. Our KYC and AML procedures are rigorously enforced to protect our clients and their investments.

We offer a range of services, including the management of stablecoins such as USDC and EURC, and the use of the Soroban platform for advanced financial operations.

Our White Label solutions allow organisations to offer our services under their own brand, providing a customised experience for their clients.

For those interested in the Golden Visa programme, we provide expert guidance and support to navigate the complexities of international real estate investment.

Our Services 📊

  • Smart Escrow: Secure and transparent transactions.
  • Path Payments: Efficient and reliable payment solutions.
  • Stablecoin Management: Expertise in USDC and EURC.
  • Soroban Platform: Advanced financial operations.
  • White Label Solutions: Customisable services for organisations.
  • Golden Visa Guidance: Expert support for international investors.

Why Choose Cuandeoro? 💎

At Cuandeoro, we are committed to delivering exceptional value and service to our clients. Our team of experts is dedicated to providing innovative solutions that address the unique challenges of real estate and fintech. We prioritise security, transparency, and compliance, ensuring that our clients' investments are protected and their goals are achieved.

Join us in revolutionising the future of real estate and fintech. Contact us today to learn more about how we can help you achieve your investment objectives.

Whitepaper v3.0 — February 2026

Cuandeoro Protocol

"DLT Settlement Infrastructure for the Real Estate Market"

From the deposit signal to the Tax Agency — without touching the funds

Parent Entity: Cuandeoro Ltd. Headquarters: Dublin, Ireland (EU) Company Reg. No. 773892

Index

  1. 1. Executive Summary
  2. 2. Problem Statement
  3. 3. Market Segments
  4. 4. Technological Solution
    1. 4.1 Non-Custodial Architecture
    2. 4.2 Path Payments (Atomic Conversion)
    3. 4.3 Smart Escrows (Earnest Money, Guarantees, Bonds)
    4. 4.4 Full Contract Lifecycle in Spain
    5. 4.5 Non-Participatory Dispute Resolution
    6. 4.6 Integrated Digital Signature (eIDAS)
  5. 5. Business Model
  6. 6. Regulatory Framework
  7. 7. Roadmap

Cuandeoro is a pioneering platform in the world of digital assets, offering a comprehensive suite of services for managing and transacting cryptocurrencies securely and efficiently. Our platform is designed to meet the needs of both individuals and organisations, providing tools for Smart Escrow, Path Payments, and seamless integration with existing financial systems.

With the increasing demand for secure and compliant financial services, Cuandeoro is fully aligned with the latest regulations, including eIDAS and the upcoming MiCA framework in the European Union. We ensure that all transactions are conducted in accordance with the highest standards of KYC and AML protocols.

Our platform supports a wide range of digital currencies, including USDC and EURC, and is integrated with the SWIFT network for efficient cross-border transactions. This makes Cuandeoro an ideal solution for HNWI/UHNWI and family offices looking to diversify their portfolios with digital assets.

Cuandeoro also offers White Label solutions for organisations wishing to provide their own branded cryptocurrency services. Our technology is flexible and can be customised to meet the specific needs of any organisation.

For those interested in real estate, Cuandeoro provides innovative solutions for buy-to-let investments and Golden Visa programmes. Our platform simplifies the process of investing in international real estate, providing a secure and transparent way to manage transactions.

Stay ahead of the curve with Cuandeoro's cutting-edge technology and comprehensive suite of services. Whether you're an individual investor or a large organisation, Cuandeoro has the tools and expertise to help you succeed in the world of digital assets. 🏠📊💎

Key Features

Contact Us

If you would like to learn more about how Cuandeoro can help you with your digital asset needs, please contact us today. Our team of experts is ready to assist you with any questions or enquiries you may have.

1. Executive Summary

Cuandeoro Ltd. is a financial technology (Fintech) company based in Dublin, focused on eliminating friction in real estate transactions — from a €180,000 apartment to a €20M yacht.

The Whitepaper v2.0 was exclusively focused on the luxury market. Reality has surpassed that initial vision. Our clients today span three segments: upper-middle class buying their primary residence, investors acquiring assets for profit, and the premium high-net-worth market. They all share an identical problem: a settlement system designed in the 1970s that does not deserve the trust placed in it.

The Cuandeoro Protocol is not a bank. We do not issue speculative tokens. We do not take custody of funds. We are the infrastructure layer that orchestrates the complete cycle of a real estate transaction: from the earnest money deposit to the settlement of ITP with the Tax Agency, including the digital signing of the contract, Smart Escrow, and the automatic distribution of funds to all parties — without any intermediary touching the money.

We build on the Stellar and Ripple networks because they offer settlement in 3-5 seconds with irreversible finality, atomic conversion between currencies, and Soroban smart contracts with an operational cost of less than €0.01 per transaction. All of this with a Carbon Neutral energy consumption, aligned with the EU's green goals.

2. Problem Statement

The traditional real estate buying and selling system fails in all market segments, not just in luxury:

2.1 Opacity and Slowness in Payments

2.2 Security Deposits Without Real Security

2.3 Disputes Without an Efficient Mechanism

2.4 Fiscal Complexity as a Barrier

Conclusion: The real estate market does not need "more blockchain". It needs someone to package the settlement infrastructure, neutral deposit custody, dispute resolution, and tax compliance into a single protocol that works without touching anyone's funds. That is Cuandeoro.

3. Market Segments

Cuandeoro v3.0 operates in three segments. The infrastructure remains the same; what changes is the fiscal complexity and the number of participants.

🏠 Primary Residence (Upper-Middle Class)

Range: €120,000 – €600,000

Profile: Families purchasing their first or second home. Nationals and intracommunity buyers. Cost-sensitive.

Cuandeoro Services:

  • Smart Escrow for earnest money (protected in smart contract, not in agency account)
  • Automatic tax pre-calculation: ITP, notary fees, registration
  • Automatic distribution upon closing: seller, agency, taxes
  • Legally valid digital signature of the earnest money contract (eIDAS)

📊 Real Estate Investment

Range: €50,000 – €2,000,000

Profile: Buy-to-let investors, family offices, new build buyers. National and international.

Cuandeoro Services:

  • Smart Escrow for new build reservations with deposit protection
  • Rental deposits in smart contract (conditional automatic refund)
  • Arbitrated tenancy dispute resolution without going to court
  • Path Payments for direct foreign investment (USD/GBP → EUR atomic)
  • Automatic 3% withholding for non-residents (form 211)

💎 Prime Assets (High Net Worth)

Range: €1,000,000+

Profile: HNWI/UHNWI, family offices, yacht buyers, Golden Visa investors.

Cuandeoro Services:

  • International liquidation in 3-5 seconds (vs. T+5 SWIFT)
  • Smart Split multi-part: seller, agents (commission split), taxes, notary
  • Multi-jurisdiction inheritances with simultaneous distribution to heirs
  • Cross-border operations with atomic currency conversion
  • Verified digital mandate for remote notary signing

4. Technological Solution

Cuandeoro does not issue its own token. It does not require the user to "understand crypto". The platform utilises the rails of the Stellar and Ripple networks to transport real value (tokenised fiat: USDC, EURC) with the same user experience as a bank transfer, but with instant finality, transparent cost, and neutral custody.

4.1 Non-Custodial Architecture

Cornerstone of Cuandeoro's security and legal compliance.

4.2 Path Payments (Atomic Conversion)

Native Stellar and Ripple functionality for frictionless currency conversion:

  1. The buyer sends USDC (Digital Dollar) or any supported stablecoin.
  2. The Stellar and Ripple networks find the best exchange route in their integrated DEX.
  3. The seller receives EURC (Digital Euro) in the same mathematical transaction.

Result: Institutional exchange rate without the abusive margins of private banking. If the conversion cannot be executed at the agreed price, the entire transaction is reversed — the buyer never loses.

Real-world example: A German buyer purchases a €280,000 apartment in Valencia. They send USDC from their wallet. The Spanish seller receives €280,000 in EURC in 4 seconds. The real estate agent receives their 3% (€8,400) in the same transaction. Total conversion cost: ~0.1% vs. 1.5-3% from the bank.

4.3 Smart Escrows: Deposits, Guarantees, Bonds

Smart contracts on Soroban replace three types of deposits that currently rely on the good faith of a third party:

A) Purchase Deposits / Earnest Money

B) Rental Bonds

C) New Build Reservations

4.4 Full Contract Cycle in Spain

Cuandeoro orchestrates — without being part of — all the steps of a real estate transaction in Spain. The smart contract acts as a conductor that triggers each step when the previous one is completed:

Step 1 — Earnest Money Contract

Buyer and seller digitally sign (eIDAS). The earnest money is deposited in Smart Escrow. Automatic tax pre-calculation: ITP, notary, registry, capital gains.

Step 2 — Automatic Due Diligence

Verification of registry charges, cadastral status, community debts. The smart contract does not proceed if undisclosed issues are detected.

Step 3 — Public Deed

Signing before a notary (in-person or online). The notary confirms in the system and the smart contract records it as a fulfilled condition.

Step 4 — Atomic Funds Distribution

In a single transaction: seller receives the price, agency gets its commission, and the ITP + capital gains amount is automatically reserved.

Step 5 — Tax Settlement

Automatic generation of Form 600 (ITP) with the transaction data. Online submission to the corresponding Autonomous Community. If the buyer is a non-resident: 3% withholding (Form 211) and notification to the tax representative.

Step 6 — Registry Registration

Electronic application for registration in the Property Registry. Tracking of the status until final registration.

Step 7 — Closing and Archiving

All parties receive a digitally signed copy of the contract. The document's complete hash is recorded on the blockchain as an immutable proof. Document archive accessible for 10 years.

Important: Cuandeoro is not a party to the contract. It does not provide legal advice. It is not a notary, registrar, or tax advisor. It orchestrates the technological flow and executes the programmed conditions. The legal actors (notary, registrar, AEAT) maintain their full authority.

4.5 Non-Participatory Dispute Resolution

Cuandeoro offers a programmable dispute resolution mechanism where the platform is neither judge nor party. The protocol simply executes what the parties previously agreed upon or what an independent arbitrator decides.

Functioning

  1. Prevention: At the time of signing the contract, both parties agree to a resolution protocol with deadlines, designated arbitrator, and rules of evidence (timestamped photos, expert reports, etc.).
  2. Activation: Either party can "open dispute" in the smart contract. Funds in escrow are automatically frozen until resolution.
  3. On-chain evidence: Both parties upload documentation to the contract. Everything is timestamped and immutable — no party can alter the evidence presented.
  4. Resolution: The designated arbitrator (individual or entity) digitally signs the resolution. The smart contract automatically executes: distributes funds according to the decision.
  5. Judicial alternative: If any party does not accept arbitration, funds remain locked until court order. The on-chain history serves as documentary evidence in court.

Main Use Cases

Role of Cuandeoro: We provide the technological infrastructure. We do not arbitrate, mediate, or decide. The smart contract executes the rules that the parties agreed upon. If there is no agreement, it locks funds until external resolution. Absolute neutrality.

4.6 Integrated Digital Signature (eIDAS)

The smart contract orchestrates the digital signature of documents and the automatic distribution of signed copies to all participants.

Signature System Architecture

  1. Contract Generation: The system generates the document (earnest money contract, rental contract, handover report) based on the transaction data.
  2. Smart Contract Event: The smart contract in Soroban emits an event ("contract_ready_for_signature") that triggers the signature process.
  3. Advanced Electronic Signature: Integration with electronic signature providers certified under eIDAS Regulation (EU 910/2014):
    • Advanced Electronic Signature (AES) for contracts between individuals
    • Qualified Electronic Signature (QES) when equivalence with handwritten signature is required
    • Compatible with FNMT digital certificate, DNIe, and Cl@ve for procedures with the Spanish Tax Agency (AEAT)
  4. On-chain Confirmation: Once signed by all parties, the SHA-256 hash of the signed document is recorded on the Stellar and Ripple blockchains as immutable proof of integrity.
  5. Automatic Distribution: Copies of the signed document are automatically sent to:
    • Buyer and seller
    • Real estate agent
    • Lawyers of both parties (if any)
    • Notary (as preparatory documentation)
    • Tax advisor (to initiate procedures)

Why Not DocuSign?

DocuSign is a valid tool for advanced electronic signatures. However, for the Spanish market, it presents limitations:

5. Business Model

Cuandeoro Ltd. operates under a SaaS and transactional revenue model, designed to scale with the volume of operations without requiring fund custody.

Revenue Stream Mechanism Range
Service Fee Flat commission on processed volume 0.3% – 0.5%
FX Spread Micro-margin on atomic currency conversion 0.05% – 0.15%
Escrow Fee Neutral custody in smart contract (earnest money, deposits) €15 – €50 flat
Digital Signature Per signed envelope (contract, minutes) €2 – €5 per signature
Dispute Resolution Fee for initiating arbitration process €50 – €200
B2B White Label API licence + Dashboard for real estate agencies €200 – €2,000/month
Pre-tax Calculation Complete pre-operation tax simulation €10 – €30 per report

Example — €250,000 Apartment in Valencia:
Service fee: €1,250 (0.5%) · Escrow deposit: €25 · Digital signature contract: €4 · Pre-tax calculation: €15
Total Cuandeoro: €1,294 vs. estimated banking + management costs: €3,500-€7,000

6. Regulatory Framework

6.1 Cuandeoro's Regulatory Position

6.2 Compliance in the Middle East (UAE)

6.3 Specific Compliance in Spain

6.4 Alignment with EU Objectives

7. Roadmap

Q1 2026 — Foundation

Core infrastructure on testnet. Smart Escrow for deposits. Path Payments. Pre-tax calculation for Spain. Basic eIDAS digital signature.

Q2 2026 — Spain Launch

Migration to Stellar and Ripple mainnet. Pilot with 3-5 real estate agencies in Costa del Sol and Valencia. Full cycle to Agencia Tributaria. Integration with QTSP for qualified signature.

Q3 2026 — Rental & Disputes

Rental deposits in smart contract. Dispute resolution protocol with digital arbitrators. Dashboard for rental managers.

Q4 2026 — Scale & B2B

White Label API for real estate networks. Expansion to Portugal and Ireland. New build module with advance protection.

2027 — European Expansion

Tax adaptation for Germany, Netherlands, and France. Full multi-jurisdiction. Integration with European Land Registry APIs.

Cuandeoro Ltd. · Registered in Ireland · Co. No. 773892 · Dublin, Ireland (EU)

"We do not issue tokens. We do not custody funds. We do not provide legal advice.
We build the infrastructure that the real estate market needs
but that the banking sector has no incentive to create."

Whitepaper v3.0 · February 2026 · Supersedes v2.0 (January 2026)