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Across
  1. 2. The buying and selling of goods and services over an electronic network
  2. 3. A place where a particular product or service is bought or sold
  3. 7. An occasion when someone buys or sells something
  4. 9. The virtual world made possible by computers and the internet
Down
  1. 1. A platform that enables a shared record of information that is maintained and updated by a network of computers
  2. 2. A type of electronic card which is used for transactions made online through a computer or a smartphone.
  3. 4. A virtual world where humans, as avatars, interact with each other in a three-dimensional space that mimics reality
  4. 5. The large system of connected computers around the world which people use to communicate with each other
  5. 6. A digital character that represents you in a computer-generated world
  6. 8. A digital or virtual currency that is stored on a blockchain