Which statement regarding cryptocurrencies, digital assets, and blockchain is correct?

Cryptocurrencies are digital currencies secured by cryptography, operating independently from any central bank or government. Blockchain is the underlying distributed ledger technology supporting cryptocurrencies and other digital assets.

Cryptocurrencies and blockchain are not the same (B). Digital assets can exist off-blockchain (C), such as tokenized assets on centralized databases. While cryptocurrencies can be used as payment, blockchain itself is a technology, not a payment method (D).