Digital-asset data & expertise

The data behind

The data behind

The data behind

The data behind

valuation

valuation

valuation

valuation

Prepare historical price inputs. Reconstruct transaction records. Reconcile balances. Connect data to your financial systems.

For professional teams

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For professional teams

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For professional teams

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Fund administrators

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Fund administrators

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Financial institutions

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Financial institutions

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Accounting & audit firms

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Accounting & audit firms

For professional teams

Start with the work you need to complete.

Start with the work you need to complete.

Start with the work you need to complete.

At each close, your organisation values its holdings, explains its balances and answers its auditors, administrators and regulators.

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Valuation & financial reporting

Value digital-asset holdings at each period close, with evidence for your file and your NAV pack

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Data integration & recurring delivery

Receive pricing, transaction and balance files in the format your systems and service providers use, at each cycle.

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Transaction history & reconciliation

Rebuild a transaction history or explain a balance difference before the period closes.

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Audit preparation

Give your auditors and administrators the prices, trades and records behind each figure.

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Indices & reference rates

Use market data for index and reference-rate work, or discuss calculations under your methodology with our team.

Why Koinju

Who we are and how we work

Who we are and how we work

Who we are and how we work

Since 2019, we are building the memory of digital-asset markets for the next chapter of finance and the age of AI

Nazim

CEO

Nazim

CEO

Dmitry

CTO

Dmitry

CTO

Gautier

Research Analyst

Gautier

Research Analyst

Svetlozar

Lead Developer

Svetlozar

Lead Developer

Data with the expertise to put it to work.

We combine our own datasets, calculation tools and hands-on work on financial records to support your operational processes.

Work you can examine

We document sources, calculation methods and unresolved issues, so your team can trace results, review the work and understand its limitations.

Work you can examine

We document sources, calculation methods and unresolved issues, so your team can trace results, review the work and understand its limitations.

Delivery that fits your process

For specialist engagements, we agree the scope and requirements so the work fits your systems and reporting cycle.

Working with Koinju

Use our products directly, or engage our team

Use our products directly, or engage our team

Use our products directly, or engage our team

Data access

You Define the analysis

Koinju Provides the data

Free plan / paid plans from €69 per month

Crypto Market Data

Historical market data for your models, controls and reporting.

Explore Market Data

Certificates on demand

You Define the request

Koinju Calculates and issues the certificate

Calculation free · €54 per certificate

Price Certificates

A documented price at each valuation date, in a certificate you keep for your file.

Explore Market Data

Projects & recurring operations

You Set the objective

Koinju Specialists do the agreed work

Expert Services

Specialized services and comprehensive support, tailored to your needs, regulatory requirements, and expectations

Explore Market Data

Next step

Tell us what you need to process, report or reconcile, and by when.

Tell us what you need to process, report or reconcile, and by when.

Tell us what you need to process, report or reconcile, and by when.

Heads of valuation and fund administrators

The four methodologies and how each price is set.

Heads of valuation and fund administrators

The four methodologies and how each price is set.

Finance and operations teams

The situations our specialists take on, and how an engagement works.

Finance and operations teams

The situations our specialists take on, and how an engagement works.

Finance and operations teams

The situations our specialists take on, and how an engagement works.

Auditors

What a certificate states, what remains the entity’s conclusion, and how to check it.

Auditors

What a certificate states, what remains the entity’s conclusion, and how to check it.

Auditors

What a certificate states, what remains the entity’s conclusion, and how to check it.

Choose the service that fits the task.

Use market data and ready-to-use tools, or commission work from our team.

© 2026 Koinju. All Rights Reserved.

Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.

Choose the service that fits the task.

Use market data and ready-to-use tools, or commission work from our team.

© 2026 Koinju. All Rights Reserved.

Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.

Choose the service that fits the task.

Use market data and ready-to-use tools, or commission work from our team.

© 2026 Koinju. All Rights Reserved.

Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.

Choose the service that fits the task.

Use market data and ready-to-use tools, or commission work from our team.

© 2026 Koinju. All Rights Reserved.

Koinju is a product of Maarkt, a registered Benchmark administrator ( n° BMR2021000001 ) under the Art. 34 of the "Benchmark" regulation ((EU) 2016/1011), authorized and regulated by the French Financial Markets Authority 🇫🇷. All information and data available on our Website and related Services is provided for information purposes only, and should not be construed as any kind of advice. The Website, its Content and related Services are provided "as is" and "as available", and do not commit the Company to respond to the User's specific need and/or situation. MAARKT cannot be held responsible for any missing or incorrect information. Data provided on the Website is based on unrelated third-parties' data. MAARKT cannot guarantee neither the accuracy, reliability and completeness of these third-parties' data nor related manipulation risks. You accept all risks associated with the use of the Content on the Website provided by our Services and are therefore fully responsible for such use and the consequences that may result.