CRUKS vs. Interstate Treaty on Gambling: The Decisive Difference for German Players

The core difference is geographical: CRUKS is the central exclusion system of the Netherlands, while the Interstate Treaty on Gambling 2021 sets the legal framework in Germany. A ban in CRUKS does not automatically apply in Germany and vice versa. The systems of the Kansspelautoriteit and the Joint Gambling Authority of the Federal States (GGL) are technically and legally separate. German players are subject solely to the GlüStV 2021 and the OASIS database.

Basic Definitions: What are CRUKS and the Interstate Treaty on Gambling?

To put the terms CRUKS and the Interstate Treaty on Gambling into context, one must understand the geographical and legal separation. Players encounter these terms because international operators often hold licenses in multiple European markets. The assumption that there is a uniform European system is incorrect. These are two independent national regulatory frameworks.

CRUKS: The Dutch Central System

CRUKS stands for "Centraal Register Uitsluiting Kansspelen". It is the nationwide player exclusion register in the Netherlands. The Kansspelautoriteit, the Dutch gambling regulatory authority, manages this register. Its task is clear: it obliges all licensed operators to check a player's status before account opening or any deposit.

CRUKS has no automatic effect in Germany. Anyone listed in this Dutch register does not automatically end up in the German player exclusion database. The systems are separate, as the Kansspelautoriteit and the German state authorities do not maintain a real-time database connection. The protective mechanism is strictly bound to the provider's licensing and the residency. Anyone who registers in CRUKS is blocked from all legal online gambling offers in the Netherlands. The Kansspelautoriteit enforces this as a central element of youth protection and addiction prevention.

The Interstate Treaty on Gambling 2021 as the German Legal Basis

The Interstate Treaty on Gambling 2021 (GlüStV 2021) is the law that reorganizes the organization and brokerage of gambling in Germany. It entered into force on July 1, 2021, and created the basis for the Joint Gambling Authority of the Federal States (GGL), which has acted as the central supervisory authority since January 2023. The goals are defined: combating gambling addiction, protecting youth, steering the urge to play into orderly channels, and pushing back the black market.

To achieve these goals, the Interstate Treaty on Gambling 2021 prescribes technical measures. This includes a central limit database that enforces a monthly deposit limit of 1,000 euros across all licensed operators. Parallel to this, there is the OASIS player exclusion database. Players can register themselves or are blocked due to an official order. The Joint Gambling Authority of the Federal States monitors compliance strictly and only grants licenses to operators that technically implement these protective mechanisms.

The regulatory chain is clear: the Interstate Treaty on Gambling 2021 authorizes the Joint Gambling Authority of the Federal States. The latter maintains the Whitelist of permitted operators and imposes sanctions in the event of violations. This differs from the Dutch model, although both systems use similar instruments such as exclusion databases and deposit limits.

Why the Confusion Frequently Occurs

The confusion about the difference between CRUKS and the Interstate Treaty on Gambling arises because many international operators hold licenses in both markets. During registration, players see similar queries regarding self-exclusion and assume there is a uniform European system. However, CRUKS and the German player exclusion database are national, isolated solutions.

Another factor is the similarity of the supervisory structures. Just as the Joint Gambling Authority of the Federal States monitors compliance with the GlüStV 2021 in Germany, the Kansspelautoriteit in the Netherlands does so for the law there. Since both authorities use comparable instruments such as the limit database or exclusion registers, the boundaries blur in perception. The legal separation remains: anyone playing in Germany is subject to the GlüStV 2021 and the supervision of the GGL, regardless of registration in the Netherlands.

Jurisdiction and Geographical Scope in Comparison

The main difference lies in the geographical jurisdiction. CRUKS is the central exclusion system of the Netherlands, while the GlüStV 2021 forms the legal basis for Germany. Both systems protect players but operate independently. A ban in one country does not automatically lead to a ban in the other, as the Joint Gambling Authority of the Federal States and the Kansspelautoriteit do not maintain a real-time database connection.

Scope of the Interstate Treaty on Gambling 2021

The Interstate Treaty on Gambling 2021 (GlüStV 2021) is the central set of rules for public gambling in Germany. It entered into force on July 1, 2021, and establishes the legal basis for the Joint Gambling Authority of the Federal States (GGL), which has functioned as the central supervisory authority since January 2023. The Interstate Treaty aims to curb the black market by allowing legal alternatives for virtual slot games, online poker, and sports betting under strict conditions.

Operators require a permit from the GGL to offer their services in Germany. The GGL maintains a so-called Whitelist with all licensed operators. Only these operators are allowed to legally broker sports betting or slots to players residing in Germany. The focus is on player and youth protection, as well as the prevention of addiction and crime. From a regulatory perspective, it is crucial that the GlüStV 2021 provides specific measures for each form of gambling in order to address their individual risk potentials.

The Role of the Netherlands and the Kansspelautoriteit

While Germany implemented the GlüStV, the Kansspelautoriteit regulates the gambling market in the Netherlands. This authority is the Dutch counterpart to the German GGL and monitors compliance with the Wet op de kansspelen (Wok). A core instrument of Dutch regulation is CRUKS (Centraal Register Uitsluiting Kansspelen), a central register for player exclusions.

CRUKS works similarly to the German OASIS system, but is strictly limited to the Dutch market. Operators with a license from the Kansspelautoriteit must be connected to CRUKS to deny access to excluded players. In contrast to the German Whitelist, which is managed by the GGL, CRUKS primarily serves to enforce player bans and not to list licensed operators for the end customer. The Kansspelautoriteit ensures that only compliant operators are active in the Dutch market, with player protection against addiction risks being the priority.

Cross-Border Gaming and Licensing

A common question concerns playing with operators with a foreign license. Are German players allowed to play with Dutch operators with a CRUKS connection? Legally speaking: The Interstate Treaty on Gambling 2021 prohibits the brokering of gambling to players in Germany without a German permit. A Dutch license from the Kansspelautoriteit does not replace the German authorization from the GGL.

Conversely, a registration in CRUKS has no direct legal effect in Germany. Since there is no automatic data transmission between CRUKS and the German player exclusion database (OASIS), a self-exclusion in the Netherlands does not lead to a block with German providers on the Whitelist. Players who use sports betting or other games are always subject to the jurisdiction of their country of residence. Anyone living in Germany falls under the GlüStV 2021 and must adhere to the GGL guidelines, regardless of whether they are also registered in the Netherlands. This separation prevents protective mechanisms of one country from automatically taking effect in the other.

Playing at operators without a German license carries legal risks and does not offer access to the German player protection system. The GGL actively takes action against unauthorized offers to further curb the black market. Players should check whether a provider is listed on the official GGL Whitelist in order to play within a protected, legal framework.

Player Exclusion Systems: CRUKS vs. German Player Exclusion Database (OASIS)

The difference lies in the geographical jurisdiction and the respective national supervisory authorities, not in the basic function as a player protection tool. CRUKS is the central exclusion register of the Netherlands under the supervision of the Kansspelautoriteit. The Interstate Treaty on Gambling 2021 regulates the player exclusion database (OASIS) in Germany, which is managed by the Joint Gambling Authority of the Federal States. A ban in one country does not automatically lead to a ban in the other, as these are legally independent systems.

How CRUKS Works in the Netherlands

CRUKS (Centraal Register Uitsluiting Kansspelen) functions in the Netherlands as a central register for the exclusion of gambling participants. The Kansspelautoriteit, the Dutch regulatory authority, operates this system to protect players from the risks of gambling addiction and to enforce youth protection. In contrast to decentralized solutions with individual operators, registration in CRUKS is effective across all operators. As soon as a player self-excludes or is banned by third parties, all licensed operators in the Netherlands offering online casino games, sports betting, or poker receive access to this data.

The query takes place in real time. Before a player can participate in a game or make a deposit, the provider must match the user's identity with the CRUKS register. If a ban is recorded, access is blocked immediately. This system ensures that a ban, once issued, cannot be bypassed by switching to another licensed operator. The Kansspelautoriteit monitors compliance with this obligation strictly. Violations can lead to high fines or the withdrawal of the license. CRUKS is specifically designed for the Dutch market and has no direct technical interface with the German exclusion database.

The German Player Exclusion Database and OASIS

In Germany, with the entry into force of the Interstate Treaty on Gambling 2021 (GlüStV 2021), the previous decentralized structure of the exclusion systems was replaced by a central solution: OASIS (Online Query System for Player Exclusions). The Joint Gambling Authority of the Federal States (GGL), which started its operational work in Saxony-Anhalt, is responsible for managing and enforcing this player exclusion database. The GlüStV 2021 mandates that all permit holders for online casino games, virtual slot games, online poker, and sports betting must be connected to this central system.

The player exclusion database covers not only the online sector but has been expanded to also include amusement arcades, restaurants with gaming machines, and betting shops. This creates a comprehensive protective shield that ensures youth protection and the prevention of gambling addiction across all distribution channels. A central element alongside the exclusion database is the limit database. According to the requirements of the GlüStV 2021, a cross-operator deposit limit of a maximum of 1,000 euros per month applies. The limit database serves to monitor this limit so that players cannot bypass the upper limit by distributing their deposits across multiple operators. The Joint Gambling Authority of the Federal States ensures that the technical interfaces (safe servers) of the operators communicate correctly with the player exclusion database and the limit database.

Automatic Exclusion and Data Matching

A common question concerns the automation of exclusion mechanisms: Are players automatically banned if they exceed limits? The answer is nuanced. Exceeding the monthly deposit limit of 1,000 euros does not lead to a permanent player ban in the player exclusion database, but merely blocks further deposits across all licensed operators until the next monthly cycle begins. The limit database acts here as a technical barrier, not as an administrative ban.

An actual entry in the player exclusion database (OASIS), on the other hand, usually occurs at the request of the player (self-exclusion) or due to an official order in the event of suspected gambling addiction or endangerment of third parties. The Interstate Treaty on Gambling 2021 prescribes that the exclusion of blocked players must be ensured through identification and authentication, as well as comparison with the exclusion database. There is no automatic, cross-border exclusion between CRUKS and OASIS. A player registered in CRUKS in the Netherlands can still play in Germany, provided they have not also applied for an exclusion there, and vice versa.

From a regulatory perspective, this lack of automatic data exchange between the Kansspelautoriteit and the Joint Gambling Authority of the Federal States is a conscious decision based on the sovereignty of national legal systems. Players must therefore take care of their player protection separately in each country. The Joint Gambling Authority of the Federal States also publishes a "Whitelist" listing all legal operators in Germany, which makes it easier for players who want to adhere to the requirements of the Interstate Treaty on Gambling 2021 to find their way.

Regulatory Authorities: GGL and Kansspelautoriteit in Detail

The difference is reflected in the responsible supervisory authorities. While the Joint Gambling Authority of the Federal States (GGL) in Germany monitors compliance with the GlüStV 2021, the Kansspelautoriteit acts as the counterpart in the Netherlands. Both institutions manage national exclusion systems (OASIS and CRUKS, respectively), which, however, are legally isolated and do not carry out any automated, cross-border data exchange for player bans.

Tasks of the Joint Gambling Authority of the Federal States (GGL)

The Joint Gambling Authority of the Federal States (GGL) is the central supervisory body for online gambling in Germany. As a public law institution with legal capacity based in Saxony-Anhalt, it took up its work step by step and has been fully responsible for cross-state tasks since January 1, 2023. Its establishment was a direct consequence of the Interstate Treaty on Gambling 2021, which provided for uniform regulation instead of the previously fragmented state responsibilities.

One of the core tasks of the GGL is maintaining the so-called Whitelist. This list contains all operators holding a valid permit for organizing gambling on the Internet. For players, the Whitelist is the decisive criterion for identifying legal offers. Only operators listed there are allowed to offer sports betting, online poker, and virtual slot games in Germany. The GGL strictly checks whether the operators comply with the technical requirements, in particular the connection to the limit database and the central exclusion system OASIS.

Another focus is on combating the black market. The GlüStV 2021 explicitly aims to counteract the spread of unauthorized gambling by creating a controlled, legal offering. The GGL actively monitors the market and can intervene with sanctions in the event of violations of the treaty's regulations, such as youth protection or advertising. This also includes the monitoring of sports betting operators to protect the integrity of sporting competitions.

The Kansspelautoriteit as the Dutch Supervisory Authority

In the Netherlands, the Kansspelautoriteit takes on the role that belongs to the GGL in Germany. This authority is responsible for licensing and monitoring the Dutch gambling market. A central instrument of the Kansspelautoriteit is enforcing participation in CRUKS (Centraal Register Uitsluiting Kansspelen).

In contrast to the German Whitelist, which primarily identifies licensed providers, CRUKS is a pure exclusion register. The Kansspelautoriteit ensures that all licensed operators match their player data with CRUKS in real time. If a player is registered there, they are denied access to all licensed gambling sites in the Netherlands. This serves the same purpose as the German player exclusion database: effective player protection and addiction prevention.

While the GGL derives its authority from the Interstate Treaty on Gambling 2021, the power of the Kansspelautoriteit is based on the Dutch Wet op de kansspelen (Wok). Both authorities work according to the principle of preventive control, but the technical implementation differs. The Dutch regulator places great importance on the immediate blocking effect upon registration, while the German system via OASIS offers a somewhat more complex structure with different types of bans (cross-operator vs. operator-internal).

Cooperation and Exchange of Information

Despite the geographical proximity and the similar goals of the Interstate Treaty on Gambling 2021 and Dutch law, there is no automatic link between the exclusion systems. The question of whether GGL and Kansspelautoriteit exchange information about player bans must be answered with a clear "no" in everyday operations. Registration in CRUKS does not lead to automatic blocking in the German OASIS database and vice versa.

This is because CRUKS and the German player exclusion database are national databases protected by different legal frameworks. The Interstate Treaty on Gambling 2021 does not provide for direct, real-time comparisons with foreign exclusion registers. Although there are efforts at the EU level for better cooperation against the black market, data protection and sovereign legal systems currently prevent a fully automated exchange of player data between the GGL and the Kansspelautoriteit.

For operators active in both markets, this means double the effort. They must ensure that their systems are compatible with both the German Whitelist and OASIS as well as CRUKS. A player who self-excludes in Germany can theoretically continue to play on Dutch sites, provided they have not also applied for a ban there. This loophole is often misunderstood; however, it is not a flaw in the system, but a result of national jurisdictions. The GGL concentrates on compliance with German regulations for virtual slot games and sports betting, while the Kansspelautoriteit keeps an eye on the Dutch market. Harmonization of the exclusion systems across national borders has not yet taken place.

Player Protection Measures: Limits, Bonus Conditions, and Self-Control

The difference is reflected in the technical implementation of player limits and bonus mechanics, although both systems pursue the same protection concept. While the German Interstate Treaty on Gambling 2021 enforces a rigid, cross-operator deposit limit of 1,000 euros per month via the central limit database, the Dutch CRUKS register of the Kansspelautoriteit focuses primarily on the total player exclusion. Both mechanisms serve youth protection and addiction prevention, but operate in isolated data spaces without automatic cross-border synchronization.

Deposit Limits and the Limit Database in Germany

In the German regulatory framework, financial risk management is strictly standardized. The Interstate Treaty on Gambling 2021 (GlüStV) prescribes that an individual deposit limit applies to all players on the Internet, which in principle must not exceed 1,000 euros per month. This upper limit is non-negotiable and binds all licensed operators equally. For the technical enforcement of this cross-operator limit, the Joint Gambling Authority of the Federal States (GGL) maintains a central limit database.

Every licensed organizer of virtual slot games, online poker, or sports betting must connect their systems to this database. Before a deposit is accepted, the provider checks in real time whether the player's monthly quota is still sufficient. This architecture effectively prevents players from bypassing their loss limits by using multiple platforms. Parallel to this, the previous central player exclusion database was expanded to also include amusement arcades and restaurants with gaming machines, which significantly increases the reach of player protection in Germany. From a regulatory perspective, the limit database thus represents the technical backbone that operationalizes the financial protection barriers defined in the GlüStV and strengthens the integrity of the legal market against the black market.

Bonus Conditions and Wagering Requirements in Comparison

An often overlooked but crucial difference for players between the German and Dutch markets concerns the bonus conditions. The Interstate Treaty on Gambling 2021 contains no explicit statutory requirements regarding the amount or type of welcome bonuses, but the Joint Gambling Authority of the Federal States has formulated strict requirements for the transparency and fairness of bonus offers in its guidelines. In Germany, bonuses are often linked to strict wagering requirements, which are intended to ensure they are not misused as a means to bypass deposit limits.

In the Netherlands, on the other hand, the Kansspelautoriteit introduced stricter rules for advertising and bonus offers in 2023. Since then, operators with a Dutch license have been prohibited from targeting bonus offers at players aged 18 to 24. In addition, bonus conditions must be clear and comprehensible, and there are upper limits on the amount of welcome bonuses to prevent excessive incentives to play. While CRUKS itself does not set any bonus rules, the regulatory authority ensures that bonus mechanics do not undermine player protection. It is important for German players to know: a bonus offered on a Dutch site is not subject to German supervision and can therefore have different wagering requirements than a bonus from a German licensed provider.

Self-Limitation and Exclusion in CRUKS

In the Netherlands, the Kansspelautoriteit monitors the central register for player exclusion, known as CRUKS (Centraal Register Uitsluiting Kansspelen). In contrast to the German limit database, which primarily caps deposits, CRUKS is designed as a pure exclusion system. Players can register themselves in this register independently or at the request of third parties, resulting in them no longer having access to licensed online casinos, sports betting, or physical amusement arcades in the Netherlands.

The Kansspelautoriteit acts here as the Dutch equivalent of the German Joint Gambling Authority of the Federal States. While the GGL in Germany manages both limits and bans (via OASIS), the Dutch authority's focus is heavily on completely preventing access to play for registered persons. There is no direct equivalent to the German 1,000-euro limit in CRUKS; instead, the binary decision "access allowed" or "access blocked" is paramount. This differentiation is crucial for understanding the difference between CRUKS and the Interstate Treaty on Gambling: Germany relies on controlled participation with hard financial caps, while the Netherlands relies on total exclusion from the legal market upon registration in CRUKS.

Youth Protection as a Common Goal

Despite the different technical instruments, both the Interstate Treaty on Gambling 2021 and the Dutch regulations under the supervision of the Kansspelautoriteit pursue the overarching goal of youth protection. In Germany, the participation of minors in gambling is prevented through strict identification and authentication processes, as well as comparison with the player exclusion database. The GlüStV explicitly prohibits the participation of minors and obliges operators to ensure that this exclusion is implemented technically and organizationally.

In the Netherlands, too, youth protection is a core pillar of licensing requirements. The Kansspelautoriteit requires all providers falling under the CRUKS system to have strict age verification procedures. The main difference lies in the networking: while the German Joint Gambling Authority of the Federal States maintains a Whitelist that identifies publicly visible, licensed operators and thus creates transparency for consumers, the Dutch system focuses more heavily on the internal enforcement of player bans. Both systems aim to prevent the development of gambling addiction and protect vulnerable groups, in particular young people, from the dangers of gambling, with the Joint Gambling Authority of the Federal States in Germany additionally representing a proactive financial control body by monitoring the limit database.

Regulated Game Offerings: Virtual Slot Games, Poker, and Mobile Gaming

The difference is reflected in the geographical jurisdiction and the specific technical requirements for game offerings. While the German Interstate Treaty on Gambling 2021 defines strict limits for virtual slot games and online poker, Dutch law regulates these categories under the supervision of the Kansspelautoriteit. Both systems target player protection but operate in separate jurisdictions without automatic data transfer between the exclusion registers.

Virtual Slot Games According to GlüStV 2021

Virtual slot games, defined as internet-based replicas of terrestrial slot machines, are subject to the strictest requirements of the Interstate Treaty on Gambling 2021 in Germany. Since the entry into force of the treaty on July 1, 2021, these games can be permitted under restrictive conditions in order to offer a legal alternative to the black market. The Joint Gambling Authority of the Federal States (GGL) monitors compliance with these rules, which include a maximum stake of €1.00 per spin and a minimum game duration of five seconds.

A central element is the technical connection to the OASIS exclusion system. Operators must ensure that excluded players are prevented from playing through identification and authentication. Furthermore, playing parallel on multiple online slot machines at the same time is prohibited, which is monitored by technical systems such as the "safe server". In contrast, the Kansspelautoriteit in the Netherlands regulates similar games, whereby the exclusion database there, CRUKS, has no direct interface with the German exclusion database. Players must therefore register or exclude themselves separately in each country.

Online Poker and Sports Betting in Comparison

The regulation of online poker and sports betting shows clear differences in implementation between Germany and the Netherlands. In the German legal area, online poker is considered a game without a house bank, where natural persons compete against each other virtually. The Interstate Treaty on Gambling 2021 allows this form of poker, but prohibits casino games with a house bank (such as roulette or blackjack) in the pure online version, unless they are designed as a live broadcast.

Sports betting is also eligible for a permit but is subject to specific sections of the GlüStV. The Joint Gambling Authority of the Federal States assumed responsibility for the permit procedures for sports betting and online poker in January 2023. In the Netherlands, on the other hand, the Kansspelautoriteit interprets licensing more broadly. An important difference lies in player access: while German operators must be connected to the OASIS database, Dutch licenses use CRUKS. A ban in one system does not automatically lead to a ban in the other, as these are national databases. This means that a player banned in Germany could theoretically still have access to Dutch platforms, provided they are not also banned there - which, however, may violate local laws.

Mobile Gaming and App Regulation

Another important aspect that is often lost in the discussion about CRUKS and the GlüStV is the regulation of mobile gaming. In Germany, all licensed operators must ensure that their mobile applications (apps) or mobile websites meet the same strict technical standards as the desktop versions. This means that the 1,000-euro limit and the OASIS ban must also take effect in real time on smartphones. The GGL regularly checks the compliance of mobile offers.

The same applies in the Netherlands: the Kansspelautoriteit requires that mobile access to gambling is just as strictly connected to CRUKS as the desktop platforms. Since many players today play primarily on mobile, the technical integration of exclusion systems into iOS and Android environments is crucial. However, there is a difference in app availability: while German operators often have difficulties offering their apps directly due to strict app store guidelines (Apple/Google) and therefore often resort to web apps, the Dutch market is sometimes more flexible here, as long as the CRUKS connection is guaranteed. For players, this means: the platform on which they play (desktop vs. mobile) does not change the legal jurisdiction. Whether you play on the iPhone or the laptop - in Germany, the GlüStV applies, in the Netherlands, CRUKS.

Online Casino Games and Live Dealers

The category of online casino games is viewed in a differentiated manner in the Interstate Treaty on Gambling 2021. The treaty defines these as virtual replicas of house bank games or as live broadcasts of terrestrially conducted games. While pure virtual table games such as online roulette are handled restrictively in Germany, live dealer offers are part of the permitted market under certain conditions, provided they are offered by a licensed organizer.

The Joint Gambling Authority of the Federal States strictly checks compliance with technical safety standards. Operators must run a safe server that enables electronic control at all times. In the Netherlands, the Kansspelautoriteit allows a wider range of online casino content. The crucial point for players is the origin of the license: a provider with a Dutch license is not allowed to offer their services on the German market without a German permit. The existence of CRUKS does not change this territorial restriction. Players should always check whether an operator has a valid permit from the GGL in order to play within the framework of German player protection.

Payment Methods and Transaction Security

A practical difference that directly affects players in everyday life is the availability of payment methods. The Interstate Treaty on Gambling 2021 and the resulting GGL guidelines have heavily changed the landscape of deposits and withdrawals in Germany. In contrast, the Kansspelautoriteit in the Netherlands has set different priorities, which leads to different user experiences.

Credit Card Ban and Alternative Methods in Germany

According to the guidelines of the Joint Gambling Authority of the Federal States (GGL) on implementing player protection, the use of credit cards such as Visa and Mastercard for gambling transactions is prohibited in Germany. This measure serves player protection in order to prevent debt accumulation through easily available credit lines. Instead, licensed operators must offer alternative payment methods such as Sofort, PayPal, Paysafecard, or Klarna, which allow more direct control of spending.

This ban is one of the most visible consequences of the GlüStV 2021 for the end customer. It forces players to manage their budget more consciously since "invisible" credit limits can no longer be used. The GGL strictly monitors compliance with this ban. Operators who nevertheless accept credit card payments risk heavy fines or the withdrawal of their license.

Payment Methods in the Dutch Market

In the Netherlands, there is no general ban on credit cards for gambling transactions, although the Kansspelautoriteit encourages operators to promote responsible payment options. Instead, local payment methods such as iDEAL are very common there. iDEAL is a Dutch online banking system that enables direct bank-to-bank transfers. Similar to the German Sofortüberweisung, iDEAL offers high transparency and security, as the money is debited directly from the bank account.

For players active in both markets, this means a shift in their usual payment methods. What runs via PayPal or Klarna in Germany is often processed via iDEAL or local bank transfers in the Netherlands. It is important to note here as well: the choice of payment method has no influence on the legal jurisdiction. Even if you pay with a Dutch method on a site that has a German license, you are subject to the GlüStV 2021. Conversely, using a German payment method on a Dutch site does not protect against local rules and CRUKS.

Transaction Security and Money Laundering Prevention

Both the GGL and the Kansspelautoriteit place great importance on the prevention of money laundering. Licensed operators in both countries must undergo strict Know-Your-Customer (KYC) processes. In Germany, this is regulated by the GlüStV 2021 and the Money Laundering Act (GwG). Operators must verify the identity of the players before larger transactions are permitted. The Joint Gambling Authority of the Federal States checks whether these processes are effective.

In the Netherlands, similar regulations apply under the supervision of the Kansspelautoriteit. The difference often lies in the speed of verification. While German operators have often developed very fast, automated verification processes due to the strict connection to OASIS and the limit database, Dutch operators may have slightly different processes depending on the implementation of CRUKS and local banking standards. For the player, however, this means in both cases: high security and protection against fraudulent transactions, as long as they operate in the licensed market.

The Black Market and the Whitelist

The difference is reflected in the practical enforcement, primarily through the respective lists of legal operators. While the Dutch Kansspelautoriteit actively blocks illegal sites, the Joint Gambling Authority of the Federal States in Germany maintains a so-called Whitelist. This transparency aims to protect players from the black market by highlighting clear, licensed alternatives for sports betting and virtual slot games.

The Whitelist of the GGL

The Whitelist is a central instrument of German gambling supervision that creates transparency for consumers. It acts as the official directory of all operators holding a valid permit under the Interstate Treaty on Gambling 2021. Originally, this list was maintained by the Ministry of the Interior and Sports of the State of Saxony-Anhalt until the end of 2022. Since January 1, 2023, the Joint Gambling Authority of the Federal States (GGL) has taken over this task and now manages the list centrally.

For players, the Whitelist is crucial as it serves as the only reliable source to distinguish legal from illegal offers. Only operators listed there are allowed to offer virtual slot games, online poker, and sports betting in Germany. The GGL ensures that these operators meet strict requirements, including connection to the OASIS exclusion system and compliance with deposit limits. By publishing the Whitelist, the legislator creates a legal alternative to the black market, which often offers no player protection measures. The authority updates the list regularly to promptly reflect license revocations or new permits.

Combating the Black Market in the Netherlands

In the Netherlands, the Kansspelautoriteit pursues a different approach to containing the black market. While Germany primarily relies on transparency through the Whitelist, the Dutch authority uses active blocking measures. The Kansspelautoriteit is the functional equivalent of the German GGL and monitors compliance with Dutch gambling laws. Illegal providers who do not hold a license but access the Dutch market are identified and their domains are blocked.

This proactive intervention differs from the German strategy, which relies more on directing player demand into orderly channels. The Kansspelautoriteit works closely with Internet service providers to prevent access to unlicensed platforms. The goal is to dry up the black market by making illegal offers technically inaccessible for users from the Netherlands. In contrast, the Interstate Treaty on Gambling 2021 relies more heavily on the operators' obligation to ensure compliance themselves and on educating players through the Whitelist. Both systems, however, aim to preserve youth protection and the integrity of competition.

Risiken des Spielens ohne Lizenz

Playing outside the regulated markets of the Interstate Treaty on Gambling 2021 or CRUKS carries significant risks. Operators in the black market are not subject to any regulatory control by the GGL or the Kansspelautoriteit. This means that technical standards such as the maximum stake of 1 euro per spin on slots or monthly deposit limits are often not complied with. In addition, the connection to central exclusion systems such as OASIS or CRUKS is missing, which massively weakens player protection.

Another critical risk is the lack of legal protection in the event of withdrawal problems. With licensed operators, players can turn to the regulatory authorities; in the black market, no such authority exists. Fraudulent activities are more frequent here, as there are no regular audits on the fairness of games. The Interstate Treaty on Gambling 2021 therefore prohibits not only unauthorized gambling, but also participation in payment transactions for these offers. Players should always check whether a provider is listed on the GGL Whitelist or the corresponding Dutch list to avoid these risks. The evaluation of the Interstate Treaty also shows that the spread of the black market remains a challenge that must be met through strict supervision.

Technical Implementation: Safe Server and Data Integrity

The essential difference between CRUKS and the Interstate Treaty on Gambling lies in the technical infrastructure of enforcement. While the Netherlands relies on the central register CRUKS, the German GlüStV 2021 requires the installation of decentralized safe servers at each provider, which transmit real-time data to the Joint Gambling Authority of the Federal States. This architectural difference determines how virtual slot games are monitored and how player data is fed into the player exclusion database or the limit database, with no direct technical coupling between the Dutch CRUKS and the German OASIS system.

Safe Server Obligation in Germany

A safe server is a technical monitoring system that every licensed organizer of virtual slot games, online poker, and sports betting in Germany must operate. In contrast to pure database queries like CRUKS in the Netherlands, the safe server acts as a local interface that records all game-relevant data and enables electronic control by the regulatory authority at all times. This measure is a direct consequence of the Interstate Treaty on Gambling 2021, which aims to prevent manipulation and secure the integrity of the execution of gambling.

The Joint Gambling Authority of the Federal States (GGL) uses the data from these safe servers to monitor compliance with statutory requirements, such as the €1,000 deposit limit. Without this technical connection, a permit to operate online casino games in Germany is not possible, as proof of data integrity and youth protection cannot otherwise be provided. The safe server thus represents the technical backbone that delineates the German market from the unregulated black market.

Data Transmission to CRUKS and the Player Exclusion Database

The transmission of player data takes place via central registers in both jurisdictions, but these systems are technically and legally isolated. In Germany, the player exclusion database (OASIS) is maintained, in which operators must register excluded players to prevent parallel play. This database was expanded within the framework of the Interstate Treaty on Gambling 2021 and now also includes amusement arcades and restaurants. Parallel to this, the limit database exists, which monitors the cross-operator deposit limit of 1,000 euros per month.

In the Dutch system, the Kansspelautoriteit supervises CRUKS, the functional equivalent of the German player exclusion database. Although both systems serve player protection, there is no automatic data transmission between CRUKS and the German player exclusion database. A ban in the Netherlands does not lead to an automatic ban in Germany, as the Joint Gambling Authority of the Federal States and the Kansspelautoriteit do not maintain a shared database. Operators active in both markets must therefore maintain two separate technical connections to comply with the respective national requirements.

Interfaces and API Integration

The technical connection to the exclusion systems takes place via standardized API interfaces implemented in the operators' safe servers. For virtual slot games and other online gambling, the comparison with the player exclusion database must take place in real time during the identification and authentication of the player. This integration ensures that underage or excluded persons do not gain access to the games, which is a central requirement of the Interstate Treaty on Gambling 2021.

The Joint Gambling Authority of the Federal States monitors these interfaces to ensure that the data is correctly transmitted to the limit database and the exclusion registers. In comparison, CRUKS integrates the exclusion data directly into the platforms of the Dutch license holders under the supervision of the Kansspelautoriteit. The complexity of the API integration in Germany is higher, since in addition to the player ban, the monthly deposit limit must also be technically enforced. This double safeguard through safe servers and central databases makes the German system technically more demanding, but also more robust against attempts to bypass it compared to pure register solutions.

About This Article - Editorial Team & Responsibility

• Author: Sarah Weber Casino Tester & Bonus Analyst
• Professionally reviewed by: Dr. Markus Hoffmann Senior iGaming Compliance Analyst
• Last updated: 2026-07-01

This article on the "difference between cruks and the interstate treaty on gambling" was written by Sarah Weber and professionally reviewed by Dr. Markus Hoffmann. Both regularly update the content regarding regulatory changes, license availability, and bonus conditions. All statements regarding licenses, authorities, and legal frameworks refer to publicly accessible sources (GGL (Joint Gambling Authority of the Federal States), Interstate Treaty on Gambling 2021 (GlüStV 2021)).

About the Author

8+ years of casino reviews, 200+ personally tested platforms in the EU and internationally. Former member of the eCOGRA Player Advocacy Program (2018-2022). Specialization: wagering requirements, withdrawal workflows, customer support assessment.

About the Reviewer

12+ years in the iGaming industry, including 5 years as a compliance consultant for licensed operators under the Interstate Treaty on Gambling 2021. PhD in Business Mathematics. Research focus: bonus mathematics, wager analysis, player protection systems (OASIS).

Responsible Gambling

Gambling can be addictive. If you feel like you are losing control of your gaming behavior, please contact BzgA Gambling Addiction Help, Check-dein-Spiel.de, or use the central exclusion system (OASIS (central player exclusion system)). Set personal deposit and loss limits before playing with real money. Breaks and cooldown functions from providers are not a sign of weakness - they are a tool for sustainable gaming fun.

Legal Disclaimer

The information in this article is for editorial and comparison purposes only. It does not constitute legal advice. The legal assessment of online gambling without a German license is a gray area and is subject to ongoing adjustments by the GGL (Joint Gambling Authority of the Federal States). Players themselves are responsible for compliance with local regulations.