AI and blockchain, explained from the ground up.
Every term in a few sentences, with an example from the familiar world of finance and everyday life and one sentence to pass on. No tech jargon, no hype. Just search or browse.
- Regulation & productsBasics
Crypto custody
Crypto custody is the professional, regulated safekeeping of the keys to digital assets by a licensed provider.
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Crypto ETP / Bitcoin ETF
A crypto ETP is an exchange-traded security that tracks the price of a cryptocurrency and is physically backed by it; in the US the equivalent is called a spot ETF.
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Crypto-assets (legal term)
"Crypto-asset" is the legal term German and EU law use for blockchain-based digital assets, from Bitcoin to stablecoins.
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Fund wrapper: retail fund vs. special AIF
The fund wrapper is the legal shell in which investors invest collectively; retail funds (UCITS) are open to everyone, special AIFs only to professional and semi-professional investors.
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KYC & anti-money laundering
KYC ("know your customer") is the obligation of regulated providers to identify their clients; for crypto-assets the same anti-money-laundering rules apply as for banks.
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Market structure legislation
Market structure legislation defines which digital assets count as securities, which count as commodities, and which authority supervises each.
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MiCA
MiCA is the EU regulation that has set uniform rules for crypto-assets, their issuers and service providers across all member states since 2024.
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Subscribe to the newsletter →The content of this wiki is for general information and educational purposes only. It does not constitute investment advice, an investment recommendation or tax or legal advice. Digital assets are subject to strong price fluctuations and can lead to losses up to a total loss. Content as of 2026, no guarantee of completeness or timeliness.
21 Oaks Capital GmbH acts as a tied agent exclusively for the account and under the liability of AHP Capital Management GmbH, Weißfrauenstraße 12-16, 60311 Frankfurt am Main, Germany. This wiki is a general information service provided by 21 Oaks Capital GmbH. Its content does not constitute individual investment advice and is not a recommendation by AHP Capital Management GmbH. 21 Oaks Capital GmbH, its affiliated companies, the funds it advises or its employees may hold positions in assets explained in this wiki. The explanations are independent of this; the disclosure is made for reasons of transparency.