cryptocurrency words

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Across
  1. 4. computers connected together
  2. 6. to buy and sell
  3. 9. to buy something
  4. 10. information used by computers
  5. 11. rules a computer follows
  6. 13. when money is sent or received
  7. 14. a smart computer that can learn
Down
  1. 1. safe from danger
  2. 2. on the internet
  3. 3. digital money like Bitcoin
  4. 5. how important or useful something is
  5. 7. how much something is valued
  6. 8. a place to keep money (digital or real)
  7. 9. money you give to buy something
  8. 12. using computers or the internet