Blog

Residency and Visas in Costa Rica: Taxation and Estate Planning for Spaniards

Costa Rica has become a destination of interest for Spanish citizens considering options for international residency and estate planning. Its tax system based on the territoriality principle, institutional stability, and the different residency categories make it a jurisdiction to be assessed with caution. This article provides an in-depth analysis of the available residencies and visas, how the Costa Rican tax system works, the differences between legal and tax residency, and the real risks of poor planning, especially in relation to the Spanish Tax Agency.

What is the MiCA passport and how is it used from Spain?

The MiCA passport allows startups and authorised crypto companies in Spain to operate across the European Union without applying for new licences in each country. In this guide we explain how it works, what requirements it entails, which authorities are involved, and how to avoid the most common mistakes in the process. A practical overview to scale your crypto project with legal certainty and comply with European regulations.

Monexa Holding Scam: Legal and Technical Analysis of a Structured Digital Fraud

The Monexa Holding scam is an online investment fraud that combines advanced social engineering, manipulated platforms, and the diversion of funds into crypto-assets. Through fake financial advisors, cloned websites, and a complex network of shell companies, the organization recruits victims and sends their money to external wallets and major international exchanges. The joint investigation by IN DIEM Abogados and Cryptoveritas 360 allowed for the reconstruction of money traceability, the identification of linked individuals and companies, and proof that this is a transnational framework typical of cryptocurrency investment scams. In this article, we explain how the fraud works, how to detect its warning signs, and what steps to take to report it and recover funds. If you suspect you have been a victim, acting quickly is essential.

Aldisyn Investments Fraud: A Legal Analysis of a Digital Scheme Linked to Terrax, Club Nueva Piedra, and RMAM Vip

The Aldisyn Investments fraud, linked to platforms such as Terrax, Club Nueva Piedra, and RMAM Vip, represents one of the most complex digital financial fraud schemes in recent years. Under the guise of training academies, artificial intelligence, and advanced dashboards, these platforms lured victims, generated fictitious balances, and directed deposits, transfers, and cryptocurrencies to an organized network of third parties. Technical investigation—blockchain traceability, domain analysis, and corporate structure—demonstrated that all websites were part of the same criminal ecosystem. The case resulted in a criminal complaint for fraud, money laundering, document forgery, and criminal organization. This analysis explains how the network operated, what warning signs it presents, and what legal tools exist for victims to defend themselves and claim compensation.

AML/CTF audits: the new mandatory requirement for crypto projects in 2025

AML/CTF audits have become a mandatory requirement for any crypto project that wants to operate legally under MiCA. Exchanges, wallets, tokenisation providers and DeFi platforms must demonstrate traceability, KYC controls and risk matrices aligned with European standards. IN DIEM Abogados, together with its technical partner Cryptoveritas360, offers a comprehensive approach that combines legal compliance and advanced blockchain analysis to help companies obtain the CASP licence and meet the requirements of SEPBLAC and AMLA.

Iaxuss Scam: Legal and Technical Analysis of a Digital Fraud Designed to Appear Real

The Iaxuss scam is a fraudulent investment scheme that combines recruitment through fake academies, account managers who guide victims step by step, and platforms designed to simulate non-existent profits. The technical-forensic investigation by Cryptoveritas 360 enabled the reconstruction of the digital operation, identification of entities, and tracing of money movement—both through bank transfers and blockchain traceability—providing key evidence for IN DIEM Abogados to file a criminal complaint for fraud, money laundering, and criminal organization. If you suspect you have been a victim, acting quickly and gathering all evidence is essential to initiate legal action and increase the chances of recovery.

Profit-Trades: How the Fraudulent Investment Network Trapping Thousands of Users in Europe Operates

The Profit-Trades scam operates as a highly organized fraudulent investment network that recruits victims through advertisements, false advisory services, and manipulated dashboards. This analysis reveals how its international structure works, how funds are diverted through blockchain traceability, and what real legal steps exist to report and take action. IN DIEM Abogados and Cryptoveritas 360 offer specialized legal and technical support for those affected in Spain and other countries.

Which German bank opens accounts for foreign companies? Practical guide for 2025-2026

Opening a bank account in Germany can be a challenge for foreign investors. This guide explains which German banks accept non-resident companies, what KYC/AML requirements they demand, and what fintech alternatives exist for operating with a GmbH or UG in 2025. IN DIEM Abogados has a team specialized in corporate and international law that accompanies our clients throughout the entire process.

Errors in CoinTracking, Koinly, and others: how to fix them in 2025

Thousands of users reach the tax season with the same nightmare: CoinTracking or Koinly import their transactions, but the figures DO NOT add up. Negative balances, invented income, misinterpreted swaps, duplicated transactions, or complete gaps in chains like BNB Chain, Polygon, or Solana. In this guide, I analyze why this happens, what mistakes taxpayers make, what tax risks they face, and how to identify them before it is too late. I also explain how we at IN DIEM & Cryptoveritas 360 correct these errors professionally so that your report remains clean, traceable, and tax-secure.