cryptocurrency

"Wampum was used as a currency by Amerindians."

"It looks weaker and weaker, the more I think about it."

"The teacher's lesson was based on the students' prior knowledge of fractions. "

"This item costs one bitcoin."

"He was the first to complete the course."

"My teacher wrote the letter "a" on the board to demonstrate its shape. "

"Can you on the light?"

"There are eight planets in the solar system."

"The company decentralized its operations by opening regional offices in several different cities, rather than having everything managed from headquarters. "

"My brother chose the digital option for his history project, creating a presentation instead of a written report. "