Which statement is true about blockchain?

By spreading its operations across a network of computers, blockchain allows Bitcoin and other cryptocurrencies to operate without the need for a central authority. This not only reduces risk but also eliminates many of the processing and transaction fees.

Explanation:

autobiography of an ex-colored man is told from the first-person point of view of an unnamed male narrator. he starts his tale by stating that he is going to reveal the great secret of his life. he first takes the reader to his childhood in georgia where he was raised by a single mother. he was dissapointed in his own color.