Across
- 4. Device that signs transactions
- 7. tree Data structure oused to create blocks
- 9. First block in a chain
- 11. A cryptographic fingerprint of data
Down
- 1. Type of attack with majority control
- 2. Blockchain that supports smart contracts
- 3. Popular consensus based on computing power
- 5. A private blockchain is usually
- 6. Open ledger of transactions
- 8. Consensus method using stake
- 10. Digital agreement in blockchain