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Updated: June 2026

Case study · Sao Tome and Principe · Citizenship

How we conducted transparent cryptocurrencycontribution payment via escrow in Lisbon

Paying a citizenship contribution in cryptocurrency is feasible, but it presents a dual challenge: tracing the origin of the coins and executing the payment through a reliable mechanism that protects both parties. Our client wanted to pay via escrow in Lisbon. We accomplished both transparently. Here's how cryptocurrency became a clean, verified payment for a São Tomé and Príncipe passport.

Sergey EvdokimovSergey EvdokimovManaging Partner, BRIDGESReading time9 min readVerificationReviewed by an expert

This case is based on a real matter. The name and certain identifying details have been changed to protect confidentiality.

BRIDGES client story - How we conducted transparent cryptocurrency contribution payment via escrow in Lisbon
Contents

Case at a glance

Situation, solution and outcome in seven lines

Client
Cryptocurrency investor making contribution payment in crypto
Objective
Make contribution payment transparently via crypto-escrow
Program
São Tomé and Príncipe, Citizenship by Investment
Dual challenge
Cryptocurrency source verification + reliable payment mechanism
Mechanism
Lisbon-based escrow as protection for both parties
Solution
Source tracing + payment via escrow
Result
Contribution paid transparently, passport obtained

Client story

Client's story

Where they started

The client held capital in cryptocurrency and wished to pay a non-refundable citizenship contribution for São Tomé and Príncipe via escrow in Lisbon. The task split into two parts, each requiring careful handling.

Why the standard route did not work

First part—cryptocurrency source. As with any cryptocurrency transaction, one cannot simply transfer coins "from crypto": the path must be traced—when and with what funds the coins were purchased, how they moved, how they were withdrawn—to ensure transparent origin. Without this, neither the escrow agent nor the program will accept the payment.

What BRIDGES had to solve

Second part—the mechanism itself. Escrow is a neutral intermediary that holds funds and releases them to the recipient only upon fulfillment of conditions, protecting both parties: the payer is assured the money will reach its intended destination, the recipient that payment is genuine. Lisbon-based escrow is convenient here: a comprehensible European platform for processing and converting crypto payments within compliance frameworks. The combination of "traced cryptocurrency source + payment via escrow" makes cryptocurrency payment transparent and secure.

Why a standard answer would not do

At BRIDGES, the client came precisely for this: to pay the contribution in cryptocurrency such that the coin source was traced and the payment processed through a reliable escrow mechanism in Lisbon—obtaining the São Tomé and Príncipe passport on a clean, verified payment.

I wanted to pay the contribution in crypto via escrow in Lisbon. Dmitry broke the task into two parts: first, trace my cryptocurrency—when I purchased it, how it moved, how I withdrew it, so the source was clean; then execute the payment via escrow, which holds the funds and releases them only upon conditions, protecting both parties. Everything was done transparently: the coin origin was verified and the payment executed securely. I received the São Tomé and Príncipe passport on a clean verified contribution. No grey areas whatsoever.

Kriptoinvestor · Cryptocurrency investorThe name and certain identifying details have been changed to protect confidentiality.

What was at risk

What was at risk

The threat lay not in the legality of the cryptocurrency, but in two risks: untraced coin source and payment without a reliable mechanism. Transferring "from crypto" without source tracing means getting stuck in verification; paying without escrow means remaining unprotected. The key was to trace the cryptocurrency source and execute payment via escrow.

Cryptocurrency cannot be transferred without tracing the source;

  1. 01It is necessary to demonstrate when and with what funds the coins were purchased and how they moved;
  2. 02Escrow protects both parties to the transaction;
  3. 03Lisbon-based escrow is a comprehensible European platform within compliance frameworks;
  4. 04The combination of source verification and escrow makes payment transparent and secure.

The logic of the solution

How the matter progressed: from checks to result

The chart is built from the facts of this matter and shows the logic of the work without decorative or unverified data.

  1. 01
    Stage 1

    We broke down the task into two parts. First, we established that transparent cryptocurrency payment comprises the source of coins plus a reliable payment mechanism. This set a clear working structure.

  2. 02
    Stage 2

    We traced the source of the cryptocurrency. We demonstrated when and for what funds the coins were purchased, how they moved between wallets and how they were withdrawn, so that the origin was transparent rather than "from cryptocurrency."

  3. 03
    Stage 3

    We confirmed legitimate infrastructure. We linked the movement of coins to KYC-compliant platforms so that the cryptocurrency was tied to legal infrastructure rather than appearing from nowhere.

  4. 04
    Stage 4

    We engaged escrow in Lisbon. We conducted the payment through escrow—a neutral intermediary that holds the funds and transfers them to the recipient only upon fulfillment of conditions, protecting both parties.

  5. 05
    Stage 5

    We conducted conditional payment. The escrow mechanism ensured that the contribution was transferred transparently and securely to its intended destination, within compliance framework, without gray areas.

Takeaway. Conclusion: cryptocurrency payment comprises the source of coins plus a reliable mechanism. Traced origin of coins and payment through escrow make cryptocurrency payment transparent and secure for both parties.

How we solved the task

How we solved the task

The work was split into verifiable stages so that every conclusion rested on documents.

  1. 01

    Stage 1

    We broke down the task into two parts. First, we established that transparent cryptocurrency payment comprises the source of coins plus a reliable payment mechanism. This set a clear working structure.

  2. 02

    Stage 2

    We traced the source of the cryptocurrency. We demonstrated when and for what funds the coins were purchased, how they moved between wallets and how they were withdrawn, so that the origin was transparent rather than "from cryptocurrency."

  3. 03

    Stage 3

    We confirmed legitimate infrastructure. We linked the movement of coins to KYC-compliant platforms so that the cryptocurrency was tied to legal infrastructure rather than appearing from nowhere.

  4. 04

    Stage 4

    We engaged escrow in Lisbon. We conducted the payment through escrow—a neutral intermediary that holds the funds and transfers them to the recipient only upon fulfillment of conditions, protecting both parties.

  5. 05

    Stage 5

    We conducted conditional payment. The escrow mechanism ensured that the contribution was transferred transparently and securely to its intended destination, within compliance framework, without gray areas.

  6. 06

    Stage 6

    We obtained a passport on a clean payment. The client paid the contribution in cryptocurrency with a traced source and through reliable escrow—and obtained São Tomé citizenship on a clean, verified payment.

Expert comment

Cryptocurrency payment is a frequent request, and I always break it down into two parts because both are important. The first is the source of coins. With cryptocurrency, you cannot simply transfer "from cryptocurrency": by its nature, its path is non-transparent, and you must trace the origin—when and for what the coins were purchased, how they moved, how they were withdrawn through KYC-compliant platforms. Without this, the payment will stall at verification. The second part is the mechanism. I conduct such payments through escrow: a neutral intermediary that holds the funds and transfers them to the recipient only upon fulfillment of conditions, protecting both parties—both the payer and the recipient. Escrow in Lisbon is convenient for this: a clear European platform, everything within compliance framework. And here's the combination—traced source plus escrow—makes cryptocurrency payment truly transparent and secure. With this client, we did exactly that: confirmed the origin of the coins and conducted the contribution through escrow. The client received the passport on an absolutely clean payment, without gray areas. With cryptocurrency, you should only work this way.

Sergey Evdokimov, Managing Partner, BRIDGESSergey EvdokimovManaging Partner, BRIDGES

Outcome

What the client received

Requirements
How we did it · Result
Transparent source
Tracing the purchase and movement of coins · Cryptocurrency origin is clean
Legitimate infrastructure
KYC-compliant platforms · Cryptocurrency tied to legitimate channels
Payment protection
Escrow in Lisbon · Both parties protected
Pay the contribution
Transfer through escrow based on conditions · Passport on a clean payment
Pay the contribution
Transfer through escrow based on conditions · Passport on a clean payment

The situation: the client wanted to pay a non-refundable contribution for São Tomé citizenship with cryptocurrency through escrow in Lisbon. What we did: broke down the task into two parts; traced the source of the cryptocurrency; confirmed legitimate infrastructure; engaged escrow in Lisbon; conducted conditional payment; obtained passport on a clean payment. What the client received: contribution paid transparently and São Tomé citizenship.

Practical takeaway

What matters in a similar situation

  • Conclusion: cryptocurrency payment comprises the source of coins plus a reliable mechanism. Traced origin of coins and payment through escrow make cryptocurrency payment transparent and secure for both parties.
  • The client paid the contribution in cryptocurrency cleanly—because we traced the source of the coins and conducted the payment through escrow in Lisbon, rather than transferring "from cryptocurrency" without tracing and protection.

FAQ

Questions people ask in a similar situation

01Can the citizenship contribution be paid with cryptocurrency?

Yes, but it is a dual task: you must trace the source of the coins (when and for what they were purchased, how they moved) and conduct the payment through a reliable mechanism—for example, escrow. Transparent source plus escrow make the payment clean.

02What is escrow and why is it needed?

Escrow is a neutral intermediary that holds funds and transfers them to the recipient only upon fulfillment of specified conditions. It protects both parties: the payer is assured that funds will be transferred as intended, and the recipient is assured that payment is genuine.

03Why is it important to trace the source of cryptocurrency?

Because the path of cryptocurrency is inherently non-transparent by nature. Without tracing the origin of coins, payment will stall during verification. It is necessary to demonstrate when and for what purpose the coins were purchased, how they moved, and how they were withdrawn.

04Why escrow in Lisbon?

It is a convenient and transparent European platform for conducting and converting crypto payments in compliance with regulatory requirements. It provides transparency and protection for both parties in the contribution payment process.

05How much does San Tomé citizenship cost?

A non-refundable contribution to the National Transformation Fund of USD 90,000 per applicant. The exact conditions and permissible payment methods should be clarified with the authorized body.

06Do you wish to pay your contribution in cryptocurrency transparently?

We will trace the source of your coins and process the San Tomé citizenship contribution payment through escrow in Lisbon—ensuring your cryptocurrency payment is clean and protected for both parties, with no gray areas.

About the author

Sergey Evdokimov

Author: Sergey Evdokimov

Managing Partner, BRIDGES

As Founder and Managing Partner of BRIDGES, I am responsible for the firm's strategy and personally lead its most complex client matters, including cases in which citizenship or residence decisions require a strategic view and consideration of capital.

I begin by defining the objective: the outcome the client needs, the facts that affect the choice, and the matters that require further review. I then establish the available directions, the sequence of work, and the key decision points.

Once the strategy has been agreed, I oversee the BRIDGES team's key decisions and remain involved at the stages that shape the course of the matter. The purpose is to give the client a clear rationale for the chosen direction and a precise understanding of the next steps.

Prepared on the basis of BRIDGES practice and reviewed by a subject-matter expert.

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Anna KovalevskayaHead of Legal, BRIDGES
Anna Kovalevskaya, Head of Legal, BRIDGES

Names and certain details have been changed to protect client confidentiality. The result described reflects one specific situation and is neither a public offer nor a guarantee of a similar outcome. Programme terms are stated as of 2026 and may change - please confirm current parameters with a BRIDGES consultant.