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vessel – n. a small tube that carries blood through the body
cryptocurrency – n. a money that only exists electronically
digital – adj. related to computer technology, especially the internet
delivery – n. the act of taking goods to a person or place
drone – n. an unmanned aircraft guided by computers or human operators from a distance
surveillance – n. the activity of watching people carefully, often secretly, especially by an army or police force
opportunity – n. a good possibility or chance for progress
scammer – n. someone who makes money by using illegal methods or tricking people
