13.06.26
Martin Groot of FestingerVault.com – Harassment, Impersonation and Defamation: A Documented Report
Subject: Martin Groot (Netherlands) – operator of FestingerVault.com and grootmade.com
Complainant: Adam Voulstaker – founder of tradingstocks.ai
Published: adamvoulstaker.com
Background
Who Is Martin Groot?
Martin Groot is the operator of FestingerVault.com and grootmade.com, software licensing and digital product businesses based in the Netherlands.
Pattern of Consumer Complaints
Hundreds of one-star reviews on Trustpilot document a pattern of conduct by FestingerVault including unauthorised charges to customer payment methods, refusals to issue refunds for disputed transactions, account terminations without notice or explanation, and unresponsive customer support.
Primary evidence: https://www.trustpilot.com/review/festingervault.com?stars=1
Origin of This Dispute
Adam Voulstaker left a factual, honest review of FestingerVault on Trustpilot based on direct personal experience https://www.trustpilot.com/reviews/69792a6fd263d877aacb3fa4 12.02.26. Following publication of that review, Martin Groot initiated a targeted and sustained campaign of harassment, impersonation, and defamation against Adam Voulstaker personally and against tradingstocks.ai.
Campaign of Harassment
Platforms Targeted
Martin Groot has published false and defamatory content targeting Adam Voulstaker on at least the following platforms:
Blackhatworld – false and defamatory posts
Blogspot – defamatory blog content
Complaintsboard – fabricated complaints
Discourse – false forum posts
ForexPeaceArmy – false trading-related defamation
Freelancer – solicited hacking of https://tradingstocks.ai
GitHub – defamatory content
Issuewire – false press release content
Liststuff – defamatory listings
Medium – defamatory articles
MQL5 – false trading forum posts
Reddit – defamatory posts
Slideshare – false document publications
Substack – defamatory newsletter content
Trustpilot – false reviews targeting Adam Voulstaker
YouTube – defamatory video content
Blacklisting Attacks
Martin Groot submitted tradingstocks.ai to spam blacklists via Cleantalk without basis, causing email deliverability damage to a legitimate business. He also published Adam Voulstaker’s personal phone number on telephone blacklists via Tellows.
Email Abuse
Martin Groot submitted Adam Voulstaker’s professional email address (tradingstocks.ai domain) to hundreds of third-party websites without consent, resulting in mass unsolicited email.
Solicitation of Criminal Acts
On Freelancer.com, Martin Groot solicited third parties to hack https://tradingstocks.ai . This constitutes solicitation of a criminal offence under computer misuse laws in multiple jurisdictions.
Impersonation
Martin Groot has impersonated Adam Voulstaker online. This includes creating accounts and publishing content under Adam Voulstaker’s name and identity across multiple platforms, with the deliberate intent of damaging Adam Voulstaker’s personal reputation, creating false associations between Adam Voulstaker and fraudulent or disreputable conduct, and confusing potential business contacts, investors, and users of tradingstocks.ai.
Impersonation of a private individual is a criminal offence in New Zealand, the Netherlands, and most other jurisdictions.
False and Defamatory Claims About tradingstocks.ai
Martin Groot has published false, fabricated, and defamatory claims specifically targeting tradingstocks.ai. These claims have no factual basis and were manufactured for the purpose of damaging the business and its reputation with potential users, investors, and the trading community.
For the record: tradingstocks.ai is a legitimate, operational AI-powered stock trading platform. Any claims published by Martin Groot or accounts associated with him alleging otherwise are false and should be disregarded.
Legal and Law Enforcement Action
New Zealand Police
The full scope of Martin Groot’s conduct – including fraud, harassment, impersonation, and solicitation of hacking – has been formally reported to New Zealand Police. This matter is on record.
Call for Dutch Law Enforcement Action
Martin Groot is based in the Netherlands. Dutch police and consumer protection authorities (ACM – Autoriteit Consument and Markt) have jurisdiction over his conduct. The volume of consumer complaints on Trustpilot and the nature of the harassment campaign warrant formal investigation.
Call to Action
If you are based in the Netherlands and have been defrauded or harassed by Martin Groot or FestingerVault.com, your testimony is valuable. Dutch police require victim statements from Dutch residents to act. Please come forward.
If you have been affected by Martin Groot’s conduct in any jurisdiction, or have evidence of his activities, please make contact. Every piece of evidence strengthens the case.
Evidence: https://www.trustpilot.com/review/festingervault.com?stars=1
Contact
Twitter/X: https://x.com/adamvoulstaker
LinkedIn: https://www.linkedin.com/in/adam-voulstaker-265270215/
All statements on this page are factual and made in good faith based on direct experience and publicly available evidence.
Adam Voulstaker | adamvoulstaker.com | tradingstocks.ai