DAC8: What it is, How it Affects Crypto-assets, and Why it Changes Tax Control in the EU
The DAC8 Directive represents a structural change in the tax control of crypto-assets within the European Union. Through the automatic exchange of information between tax administrations, the EU brings cryptocurrency operations to the same level of transparency as traditional financial instruments. This new regulation directly affects crypto-asset service providers and significantly impacts investors and companies operating with digital assets. Understanding its scope, implementation timeline, and practical implications is key to anticipating tax risks and adapting to an increasingly demanding regulatory environment.
How to Declare Cryptocurrencies in the Income Tax Return in Spain (2025 tax year)
Discover how to correctly declare your cryptocurrencies in the 2025 Income Tax Return in Spain. We explain which transactions are taxable, how to apply the FIFO method, what documentation you need, and what risks exist if you do not do it properly. Clear and updated guide with professional advice on crypto taxation.
The CNMV updates CASP admission criteria
In 2025, the CNMV updated the admission criteria for Crypto-Asset Service Providers (CASPs) to align them fully with the MiCA Regulation. These new requirements affect both companies currently processing their licenses and those already registered, introducing stricter demands regarding governance, technological security, solvency, and internal documentation.
At IN DIEM Abogados, together with the specialized technical support of Cryptoveritas 360, we analyze how this update impacts exchanges, custodians, fintechs, and crypto service providers in Spain, and the steps they must follow to ensure a solid file approved by the CNMV. Adapting in time not only prevents delays or rejections: it also strengthens the credibility and competitiveness of companies in the new MiCA 2025 regulatory environment.
MiCA 2026 Glossary: 25 Terms You Must Master
Discover the 25 key terms from the MiCA Regulation that every crypto company must master before 2026. This practical glossary summarizes the essential concepts affecting issuers, exchanges, custodians, and crypto-asset service providers. A clear and strategic guide developed with a professional approach to help you understand the regulatory impact, anticipate obligations, and turn MiCA compliance into a real competitive advantage.
Primed-Finance Scam: Legal and Technical Analysis of a Sophisticated Digital Fraud
The Primed-Finance scam is part of an international network of fraudulent platforms that combine social engineering, remote computer access, and international transfers to divert funds under the guise of cryptocurrency investments. Through a legal and technical analysis—including bank and blockchain traceability—it is demonstrated that the fraud operates through shell companies, cloned domains, and an organized structure designed to manipulate victims and conceal the money trail. In this article, we explain how the scheme works, how to identify its signs, and what steps to follow to report it and initiate international proceedings with specialized support.
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.









