Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. [culture and related concepts]
5. culture-related concepts
6. currencies (systems of money)
7. cryptocurrencies

Anotations

Scope note:

Cryptocurrency comprising a digital payment system that has its own unit of account. It was devised in 2009 by an entity known as 'Satoshi Nakamoto,' which is presumed to be a pseudonym for one or more unknown persons.