Consider the phrases and word below.
I - that is
II - such as
III - specifically
Which could replace namely (l. 04) without significant change in meaning?
Select the alternative that has adequate synonyms to the words wary (l. 08), wholesale (l. 09) and negligible (l. 26), as used in the text. 
Match the words in the first column below with their respective synonyms, in the second column, according to the meaning they have in the text.
( ) reliable (l. 15)
( ) nefarious (l. 19)
( ) overall (l. 25)
(1) dubious
(2) evil
(3) dependable
(4) generally
(5) untrustworthy
(6) global
The sequence that adequately fills in the parentheses, from top to bottom, is
Select the adequate translation of the word As (l. 20). 
Select the alternative that adequately fills in the blanks in lines 05, 08, 15 and 18. 
Consider whether the statements below are true (T) or false (F), according to the text.
( ) When compared to the value of notes and coins, the overall value of bitcoin is very low.
( ) The impact caused by bitcoin is provoking many changes in the bank systems globally.
( ) The ample adoption of bitcoin is the best response to the impact exerted by the cryptocurrencies on world economy.
( ) A global network of users may offer a safer and more efficient control over the payment systems than the central banks.
The sequence that adequately fills in the parentheses, from top to bottom, is
Select the alternative that could replace the segment Achieving this recognition has not always been plain sailing, however (l. 02-04) without change in meaning. 
Select the correct statement about the text. 
Which of the following segments has the same grammar function as Achieving this recognition (l. 02-03). 
The words its (l. 08), who (l. 17) and It (l. 30) refer, respectively, to 