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This exam will prove that a student completely understands:
- The difference between proof of work, proof of stake, and other proof systems and why they exist
- Why cryptocurrency is needed on certain types of blockchains
- The difference between public, private, and permissioned blockchains
- How blocks are written to the blockchain
- Where cryptography fits into blockchain and the most commonly used systems
- Common use cases for public blockchains
- Common use cases for private & permissioned blockchains
- What is needed to launch your own blockchain
- Common problems & considerations in working with public blockchains
- Awareness of the tech behind common blockchains
- When is mining needed and when it is not
- Byzantine Fault Tolerance
- Consensus among blockchains
- What is hashing
- How addresses, public keys, and private keys work
- What is a smart contract
- Security in blockchain
- Brief history of blockchain
- The programming languages of the most common blockchains
- Common testing and deployment practices for blockchains and blockchain-based apps
