Blockchain: Difference between revisions
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* [[Trust and Currency]] | * [[Trust and Currency]] | ||
* [[Hashing]] | * [[Hashing]] | ||
* [[Digital signature]] | |||
* [[51% attack]] | * [[51% attack]] | ||
* [[Block]] | * [[Block]] | ||
* [[Block header]] | * [[Block header]] | ||
* [[Candidate block]] | * [[Candidate block]] | ||
=== Everything below this line is not yet completed for student learning === | === Everything below this line is not yet completed for student learning === | ||
* [[Collision resistance]] | * [[Collision resistance]] | ||
* [[Cryptocurrency]] | * [[Cryptocurrency]] | ||
* [[Cryptographic hash]] | * [[Cryptographic hash]] | ||
* [[Determinism]] | * [[Determinism]] | ||
* [[Distributed consensus]] | * [[Distributed consensus]] | ||
* [[Double-spend problem]] | * [[Double-spend problem]] | ||
Revision as of 13:39, 8 March 2020
Computational thinking, problem-solving and programming[1]
A block chain is a growing list of records, called blocks, that are linked using cryptography. Each block contains a cryptographic hash of the previous block, a timestamp, and transaction data (generally represented as a Merkle tree).[2]
A blockchain is a decentralized, distributed, and oftentimes public, digital ledger that is used to record transactions across many computers so that any involved record cannot be altered retroactively, without the alteration of all subsequent blocks[3]
Videos[edit]
The video below is easily the best I have found explaining blockchain. I would suggest you watch it several times.
The video below is a very good high-level overview of blockchain:
See also[edit]
Everything below this line is not yet completed for student learning[edit]
- Collision resistance
- Cryptocurrency
- Cryptographic hash
- Determinism
- Distributed consensus
- Double-spend problem
- Entropy
- Genesis block
- Immutable transactions
- Key pair generation
- Ledger
- Merkle proof
- Merkle tree
- Miner
- Mining
- Nonce
- Non-invertibility
- Non-repudiation
- One-way function
- Proof of work
- PuTTYgen
- Self-referential data structure
- SHA256
- Takeover attack
- Transaction pool