Risks of playing at illegal online casinos: Financial, legal, and security dangers

Risks of playing at illegal online casinos include missing out on payouts, exposure to money laundering and identity fraud, and having to pay gambling tax yourself. Because these operators fall outside the Dutch Gambling Act, the Dutch Gambling Authority provides no protection and CRUKS registration cannot be enforced, leaving players completely unprotected against manipulation and addiction.

Financial pitfalls: taxes, fines, and no payouts

Playing at an illegal online casino entails direct financial risks, with the player being solely responsible for paying gambling tax to the tax authorities. Because these operators fall outside the Gambling Act, there is no legal recourse if winnings are not paid out. Consequently, the player bears the full fiscal and operational risk, while the operator remains untouched.

Do you have to pay tax on winnings at an illegal casino?

Yes, the fiscal responsibility lies entirely with the player. An illegal online casino operates outside the reach of the Dutch tax authorities and does not remit tax on generated winnings. This means the tax authority will hold the player accountable for paying gambling tax on the net profit. The rate is 37.8%, which significantly impacts your winnings. While legal operators automatically withhold tax, you must handle this administration yourself. Failure to comply with this obligation can result in additional assessments, while the illegal online casino itself contributes nothing to the Dutch treasury.

Is playing at an illegal online casino illegal?

Offering gambling without a license is illegal under the Gambling Act, but for the individual player, the focus is primarily on fiscal obligations. Although gambling at an illegal online casino is technically prohibited, the Dutch Gambling Authority (Ksa) does not actively enforce this against players. There are no known cases where players received a criminal record solely for participation. However, the tax authority does not look at the legality of the operator but does demand its share of the winnings. Thus, the criminal risks for the player are minimal, but the financial and administrative burden is maximal.

What happens if you don't get your money paid out?

If there is no payout, you as a player have absolutely no legal recourse. An illegal online casino is not subject to Dutch consumer law, meaning you cannot turn to the Ksa or the dispute resolution committee. You are on your own. If an illegal online casino refuses to pay, there is no authority that can force the operator to disburse funds. This lack of oversight means your stake and any potential winnings are completely unprotected, unlike legal market participants that operate under strict supervision of the Gambling Act.

Security risks: money laundering, data breaches, and criminal networks

Illegal platforms operate in a legal vacuum, posing direct dangers to players who believe they are gambling safely. Players are immediately exposed to risks of money laundering, data breaches, and identity fraud, while criminal networks exploit the lack of oversight. Without a valid SSL certificate or strict verification, personal data and funds are not secure.

How do illegal casinos facilitate money laundering?

Illegal platforms are often used to launder criminal funds due to the lack of strict 'Know Your Customer' checks. The money players deposit can be directly used to finance illegal activities of criminal networks. Additionally, these sites often use cryptocurrency for fast, anonymous payouts without bank oversight. These cryptocurrency transactions bypass traditional financial watchdogs, further facilitating money laundering and making it impossible for authorities to trace fund flows.

Is your personal data safe on an illegal site?

No, the risk of a data breach and identity fraud is high because these sites often lack a valid SSL certificate or GDPR compliance. Many illegal operators have professional-looking websites, but the technical security of your personal data and gaming funds is unclear or nonexistent. Once your data leaks through a breach, you have absolutely no recourse with Dutch authorities. Identity fraud thus becomes a real threat, as criminals can cause damage elsewhere using your information.

Are games played fairly without oversight?

Without an audit of the Random Number Generator (RNG) by an independent party, manipulation of the odds is possible. Legal casinos must have their software certified, but illegal sites often run on uncontrolled systems. As a result, players lose more money on average because there is no oversight for fair play and the RTP (Return to Player) is not verified.

Lack of player protection: CRUKS, minors, and addiction

With unlicensed operators, there is no legal safety net, leaving vulnerable players completely to their own devices. Illegal platforms bypass the Gambling Act and are not connected to the Central Register of Exclusion of Gambling (CRUKS), meaning players cannot access addiction prevention or self-exclusion measures.

Does CRUKS provide protection with illegal operators?

No, illegal casinos are not connected to CRUKS, meaning self-exclusion does not work and play can continue. The CRUKS register is a crucial tool for addiction prevention, but this protection only applies to license holders under the supervision of the Dutch Gambling Authority (Ksa). On illegal sites, you cannot exclude yourself. There is no technical link to this register. This means that players with a gambling problem unhindered access to these platforms, significantly increasing the risk of severe gambling addiction. The Dutch Gambling Authority (Ksa) enforces the law against these operators, but as a supervisor, it cannot provide direct protection within their systems.

Why are minors particularly vulnerable to illegal gambling?

Young people are targeted through influencers and social media with aggressive marketing that lacks age verification or addiction prevention. Illegal operators deliberately target these channels to reach minors, often lacking strict age verification. Influencers act as unintended gatekeepers who normalize the illegal offerings, while the Dutch Gambling Authority (Ksa) explicitly warns about the risks to this vulnerable group. Without the mandatory duty of care required of legal casinos, minors remain unprotected against manipulative game mechanics, and there is no form of intervention for risky behavior.

Where can you find help for gambling problems?

Refer to Loket Kansspel and AGOG for professional help, as illegal sites have no duty of care. Because illegal platforms do not take responsibility for player well-being, you must actively seek external support for gambling addiction. The Dutch Gambling Authority (Ksa) does not facilitate treatment on these sites, making the connection with specialized institutions like Loket Kansspel essential for recovery.

Identification and alternatives: licenses and legal options

The biggest difference from legal casinos is the lack of Dutch oversight. Players miss the protection of the Dutch Gambling Authority and have no right to dispute resolution. Therefore, always choose a licensed operator such as Holland Casino or TOTO, which are guaranteed to comply with the Remote Gambling Act and provide player protection.

How do I know if an online casino is legal in the Netherlands?

To verify whether an operator is legal, you must check if the casino holds a license from the Dutch Gambling Authority. This national supervisor enforces the Remote Gambling Act and maintains a public register, the Kansspelwijzer, which lists all legal options. A legal operator prominently displays the Dutch Gambling Authority logo and provides mandatory tools for age verification and gameplay monitoring. If this license is missing, the platform falls outside Dutch jurisdiction, meaning you cannot rely on consumer protection or the Dispute Resolution Committee in case of problems.

Are casinos with a Curaçao or Malta license safe?

Licenses from Curaçao eGaming or the Malta Gaming Authority offer less protection than a Dutch license and are often not permitted for the Dutch market. Curaçao eGaming uses a flexible model that allows quick market entry but only checks basic security and largely leaves bonuses unregulated. A platform with a Curaçao eGaming license therefore operates under less strict rules than Dutch operators. The Malta Gaming Authority is considered a respected European supervisor that audits software and payouts, but it does not provide protection under Dutch law. Players at these international casinos risk having their complaints handled outside a Dutch ADR process and may encounter payment methods like crypto, which the Dutch government deems risky.

What are the advantages of legal operators like Holland Casino?

Legal operators like Holland Casino and TOTO guarantee fair play, fast payouts, and fall under Dutch supervision. These operators must meet strict requirements from the Dutch Gambling Authority, including providing a safe gaming environment and implementing measures against gambling addiction. Unlike illegal sites, where RNGs (Random Number Generators) are not always independently audited, legal casinos ensure transparent RTP reports and fair odds. Furthermore, winnings with legal operators are often tax-wise simpler, as the operator remits the gambling tax, whereas players at illegal sites may be personally liable for taxes and fines.

About This Article - Editorial Standards

Author: Sarah Weber - Casino Tester & Bonus Analyst Factually reviewed by: Dr. Markus Hoffmann - Senior iGaming Compliance Analyst Last updated: 2026-07-15.

This article on "risico's spelen bij illegaal online casino" was written by Sarah Weber and factually reviewed by Dr. Markus Hoffmann. Both regularly update the content for changes in regulation, licensing and bonus terms. All references to licences, regulators and statutes link to public sources (the local gambling regulator, the applicable local gambling statute).

About the Author

8+ years reviewing casinos, 200+ personally tested platforms across the EU and globally. Former member of the eCOGRA Player Advocacy Program (2018-2022). Specialty: wagering requirements, withdrawal workflows, customer-support evaluation.

About the Reviewer

12+ years in the iGaming industry, including 5 years as a compliance consultant for licensed operators across multiple regulated markets. PhD in Economic Mathematics. Focus areas: bonus mathematics, wagering analysis, and player-protection systems.

Responsible Gambling

Gambling can be addictive. If you feel you are losing control of your play, please reach out to the relevant problem-gambling helpline or use the national self-exclusion register (the relevant national self-exclusion register). Set personal deposit and loss limits BEFORE you play with real money. Operator pauses and cooldown tools exist to keep play sustainable.

Legal Notice

The information in this article is provided for editorial and comparison purposes only and does not constitute legal advice. Players are responsible for compliance with local regulations.