Assertion: digital ledger | /r/CapableOf | use strong cryptography
Facets:
value: to secure transaction record entries
type: PURPOSE
Source sentences:
text: A cryptocurrency (or crypto currency) is a digital asset designed to work as a medium of exchange wherein individual coin ownership records are stored in a digital ledger or computerized database using strong cryptography to secure transaction record entries, to control the creation of additional digital coin records, and to verify the transfer of coin ownership.