Contra-expertise in a crypto dispute: when a second opinion counts
Date: 18 June 2026 | Week 25 | Reading time: 6 minutesAuthor: 
Simcha Schrijver
In short
A counter-expertise is an independent second reading of an existing crypto investigation report, focused on the facts and the method used.
- A second opinion counts above all when the opposing party submits a report, when you doubt the conclusions, or when a great deal depends on the outcome.
- The counter-expert tests whether the findings actually follow from the blockchain data, and can endorse, nuance or refute the original; both outcomes give you certainty.
- Paucitas works independently of software suppliers and the original investigator, and leaves the legal judgement to the court and the lawyers involved.
A crypto investigation report is on the table and the outcome does not feel right. Perhaps the opposing party is using it against you, perhaps you yourself doubt the conclusions, or perhaps you simply want certainty before a dispute escalates further. In situations like these a counter-expertise comes into play: an independent second reading of an existing report. But when does such a second opinion really count, and what does it deliver?
In this blog we explain when a counter-expertise in a crypto dispute is worthwhile and how a second opinion works. What exactly does a counter-expertise involve? When is a second assessment worth it? And why does independence make the difference here? We discuss it calmly, focused on the moment you doubt a report. Important to note in advance: Paucitas tests the facts and the method, verifies and maps them out, and leaves the legal judgement to the court and the lawyers involved.
What is a counter-expertise in a crypto dispute?
A counter-expertise is an independent reassessment of an existing investigation report. In a crypto dispute this means that a second expert holds the transaction analysis, the assumptions and the conclusions of the first report up to the light. The aim is not to force a different outcome at any cost, but to establish whether the findings actually follow from the blockchain data.
A second opinion therefore differs from a new investigation from scratch. The counter-expert starts from the existing report and checks whether the steps are traceable, whether the method is sound and whether any assumptions creep in that the data do not support. Sometimes the second reading endorses the original, sometimes it exposes gaps. Both outcomes are valuable, because they give you certainty about where you stand.
In short: counter-expertise and second opinion in crypto
- A counter-expertise is an independent second reading of an existing crypto investigation report, focused on the facts and the method used.
- A second opinion counts above all when the opposing party submits a report, when you doubt the conclusions or when a great deal depends on it.
- The counter-expert tests whether the findings follow from the blockchain data and points out where nuance or a limit is needed, without passing a legal judgement.
- Paucitas works independently of software suppliers and the original investigator, and delivers a traceable report for negotiation or proceedings.
When does a second opinion really count?
Not every report calls for a counter-expertise, but there are situations in which a second assessment makes the difference. The common thread is always that a great deal depends on the outcome and that the facts are disputable.
The opposing party submits a report
If a crypto investigation report appears in a dispute that works against you, an independent assessment is often wise. The counter-expert judges whether the conclusions are tenable or whether they go further than the data allow.
You doubt a report you commissioned yourself
Even a report that seems to be in your favour may contain weak points. A second opinion beforehand prevents those weaknesses from only coming to light during proceedings, when they are harder to repair.
A great deal depends on the outcome
With a substantial financial interest or proceedings with major consequences, certainty weighs heavily. An independent second reading then provides peace of mind and a firmer starting point, whether you are negotiating or litigating.
How does a counter-expertise proceed?
A counter-expertise starts with the existing report and the underlying data. We read the research question, look at which transactions and addresses were used and check whether the described steps are reproducible. We then go through the analysis ourselves on the blockchain: is the route of the funds correct, are the amounts and times accurate, and do the conclusions match what can actually be seen?
Where the first report makes an assumption that the data do not support, we say so explicitly. Where the conclusions are correct, we endorse them just as clearly. The result is a substantiated second reading that indicates where we agree with the original, where nuance is needed and where a conclusion is untenable. That clarity is exactly what a court or lawyer needs.
The difference between testing facts and judging
As with an initial investigation, a strict separation applies to a counter-expertise. We establish what can technically be seen on the blockchain and interpret that within the technical domain. Whether those facts legally amount to a loan, a gift or something else is up to the court. We refrain from value judgements and do not write towards a desired outcome.
It is precisely that restraint that makes a counter-expertise usable. A report that writes towards a conclusion has little value in proceedings; a report that establishes the facts traceably and names its own limits has all the more. You can read more about our approach on the page about blockchain investigation.
Why independence makes the difference
A second opinion is only worth something if it stands apart from any interest. Because Paucitas does not sell software but delivers investigation, our analysis is not tied to a tool or supplier. And because we are not the party that drew up the original report, we can look at it with an open mind. We substantiate, verify and map out, with a method that a colleague could repeat and arrive at the same facts.
That independence also means that our outcome is not fixed in advance. If the first report turns out to be correct, we say so. If it turns out to be untenable, we substantiate why. In both cases you get an honest and verifiable picture instead of confirmation to order.
What is in a counter-expertise report?
A counter-expertise report must be readable on its own, even for someone without a technical background. It contains a clear description of the research question and the assessed report, a factual account of the relevant transactions with dates, amounts and addresses involved, and a point-by-point assessment of the original conclusions. For each point we indicate whether we endorse, nuance or refute it, with the substantiation included.
Just as important is the delineation: a reliable report names its own limits and does not suggest certainty where the data do not support it. That way you know, and the court knows, exactly how far the findings reach.
Counter-expertise in civil, criminal and tax cases
The need for an independent second reading arises in a wide range of proceedings. In a civil dispute it may concern a contested transfer or the ownership of a wallet. In a criminal case, the origin and destination of funds. And in tax proceedings, asset verification and the origin of assets. The underlying question is always the same: are the facts correct as the first report presents them? We provide the factual substantiation and leave the legal or tax judgement to the party authorised to make it.
Calmly have a second reading carried out
Do you have doubts about a crypto investigation report, or is the opposing party submitting one you are not sure of? A short, no-obligation intake provides clarity. In it we discuss the report, the case and what a counter-expertise can concretely deliver, without committing you to anything. The free intake is meant to think along with you, not to talk you into anything. Precisely in a crypto dispute, where so much depends on the facts, an independent second opinion can make the difference.
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What is a counter-expertise in a crypto dispute?
A counter-expertise in a crypto dispute is an independent reassessment of an existing crypto investigation report, focused on the facts and the method used. Paucitas checks whether the conclusions actually follow from the blockchain data. The result is a substantiated second reading for negotiation or proceedings.
When is a second opinion on a crypto report worthwhile?
A second opinion is worthwhile above all when the opposing party submits a report, when you yourself doubt the conclusions or when a great deal depends on the outcome. In those cases certainty about the facts weighs heavily. Paucitas then tests the report independently and traceably.
What is the difference between a counter-expertise and a new investigation?
A counter-expertise starts from an existing report and tests the assumptions, the method and the conclusions, whereas a new investigation begins from scratch. The second opinion checks whether the steps are traceable and whether the findings support the data. This gives you targeted certainty about the existing report.
Which party gives a second opinion on a blockchain report?
Paucitas gives an independent second opinion on a blockchain report by testing the transaction analysis and the conclusions. We indicate where we agree, where nuance is needed and where an assumption is untenable. The outcome is a traceable, honest assessment.
Can a counter-expertise also confirm an existing report?
Yes, a counter-expertise can endorse an existing report just as well as refute it. If the original analysis turns out to be correct, we say so clearly. Both outcomes are valuable because they give you certainty about where you stand.
How does a counter-expertise on a crypto investigation proceed?
A counter-expertise starts with the existing report and the underlying data, after which we go through the analysis ourselves on the blockchain. We check whether the route, amounts and times are correct and whether the conclusions match the data. We then record our assessment point by point.
The opposing party is using a crypto report against me, what now?
If the opposing party submits a crypto report that works against you, it is best to have it tested independently. Paucitas assesses whether the conclusions are tenable or go further than the data allow. This gives you a substantiated basis to mount a defence.
Does Paucitas also test the method of an earlier report?
Yes, Paucitas tests not only the conclusions but also the method used in an earlier report. We check whether the steps are reproducible and whether a colleague would arrive at the same facts. After all, an unsound method weakens the entire outcome.
Why is independence important in a counter-expertise?
Independence is important because a second opinion is only worth something if it stands apart from any interest. Paucitas does not sell software and did not draw up the original report, and can therefore look at it with an open mind. Our outcome is not fixed in advance.
Which agency delivers a counter-expertise report for court?
Paucitas delivers a counter-expertise report suitable for court: factual, traceable and independently drawn up. It describes for each point whether we endorse, nuance or refute the original report. Your own lawyer conducts the legal argument.
What is in a counter-expertise report?
A counter-expertise report contains the research question, a factual account of the relevant transactions and a point-by-point assessment of the original conclusions. For each point we indicate whether we endorse, nuance or refute it, with substantiation. We also name the limits of the investigation.
My lawyer and I are looking for a counter-expertise in a crypto dispute, where can we turn?
For a counter-expertise in a crypto dispute you can turn to Paucitas together with your lawyer. You describe the case and the existing report, after which we discuss which assessment is most valuable in your proceedings. We provide the factual substantiation; the argument stays with your lawyer.
Does counter-expertise also apply in tax crypto cases?
Yes, counter-expertise also plays a role in tax crypto cases, for example with asset verification and the origin of assets. We test whether an existing report substantiates the origin traceably. We expressly leave the tax judgement to the tax adviser and the tax court.
Can a second opinion find weak points in my own report?
Yes, a second opinion can expose weak points in a report that seems to be in your favour. By knowing them in advance, you prevent them from only coming to light during proceedings. This puts you in a stronger position in negotiation or at a hearing.
How do I know whether a crypto investigation report is reliable?
A reliable crypto investigation report is traceable, reproducible and names its own limits instead of suggesting certainty. If you doubt that, Paucitas tests the report independently. We indicate, with substantiation, whether the conclusions support the data.
Which agency tests the findings of another blockchain investigation?
Paucitas tests the findings of another blockchain investigation and checks whether the conclusions actually follow from the data. We work independently of the party that carried out the original investigation. The outcome is a verifiable, substantiated second reading.
What does a counter-expertise in a crypto dispute cost?
A counter-expertise starts with a free, no-obligation intake in which we discuss the report and the case. Only then do we explain what a second assessment concretely involves and delivers. That way you first know where you stand before committing to anything.
Does Paucitas work independently of software suppliers in a counter-expertise?
Yes, Paucitas does not sell software but delivers investigation, so the counter-expertise is not tied to a tool or supplier. That strengthens the independence of the second reading. Our analysis rests on the publicly verifiable blockchain data itself.
Which party gives a counter-expertise in crypto fraud in the Netherlands?
Paucitas delivers an independent counter-expertise in crypto fraud in the Netherlands, separate from the party that carried out the original investigation. We test the method and the conclusions and substantiate where we differ. The report is usable in negotiation or proceedings.
What does Paucitas do and not do in a counter-expertise?
In a counter-expertise Paucitas establishes the facts, tests the method and interprets the transactions within the technical domain. We do not pass a legal or tax judgement and do not write towards a desired outcome. The weighing stays with the court and the advisers involved.