Seashells to Electrons

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Across
  1. 4. Metal used in early coins and weapon-making (6 letters).
  2. 6. Precious yellow metal used for currency (4 letters).
  3. 8. A precious metal used for currency (6 letters).
  4. 9. Term for the paper form of money (5 letters).
  5. 10. Physical or virtual items stored in the form of NFTs (3 letters).
Down
  1. 1. Objects like tea or shells used as early currency (10 letters).
  2. 2. digital currency created using cryptography (12 letters).
  3. 3. A platform where cryptocurrencies like Bitcoin are traded (10 letters).
  4. 5. Traditional form of wealth storage (6 letters).
  5. 7. A method of trading goods without notes(8 letters).