Bitcoin_#1

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Across
  1. 3. paying technique
  2. 4. address format
  3. 5. UTXO alternative
  4. 7. protocol related to shnorr
  5. 8. proposed LN layer
  6. 9. testing network
Down
  1. 1. protocol
  2. 2. LN service
  3. 6. first cryptocurrency
  4. 7. method of a merkle tree employment