Blockchain

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Across
  1. 1. / An element unique to every block.
  2. 6. / A secured network prevents fraud and _____ _______.
  3. 8. / A miner with at least ____ ____% of computing power can control the blockchain.
  4. 9. / A database that is distributed, shared and encrypted.
  5. 10. / A _____ blockchain is free for all to join.
Down
  1. 2. / A written code integrated into a blockchain to facilitate a transaction.
  2. 3. / A _____ ledger is used to keep records of ownership of property.
  3. 4. / A type of cryptocurrency.
  4. 5. / A state of disguised identity.
  5. 7. / Consensus mechanism to solve a mathematical puzzle using computational power.