The response directly answers the question with a clear, consistently maintained position, and both the convenience advantages and the privacy drawback are developed with relevant, specific examples and explanation.
8.0Ideas progress logically from the introduction through convenience and privacy to a conclusion, with effective transitions and generally clear referencing. Single line breaks mark these stages; more distinct paragraph breaks would make the organisation easier to see.
8.0Vocabulary is flexible and precise, including natural collocations like 'street vendors', 'surveillance states', 'fumbling about for money', and 'fluctuate wildly in terms of value', with only a rare slip such as 'intrusion of their privacy'.
8.0A wide range of structures is used with strong control, including relative clauses, concessive clauses and balanced negative constructions. Minor slips include making cryptocurrency wallets, rather than currencies, the subject of “fluctuate wildly in terms of value”.
8.0