A

Address. A blockchain address is a collection of unique numbers and letters that points to a specific destination where cryptocurrency can be sent and received within a blockchain network.

Altcoin. Any blockchain-based coin or token that is considered an alternative to Bitcoin. Popular Altcoin examples include Ether, Litecoin and Dogecoin.

API. WATCH: https://www.youtube.com/watch?v=OVvTv9Hy91Q (6:48)

Attestation ledger. To prove the authenticity of a cryptocurrency transaction and to verify that a transaction has been completed, a record book -- also called an attestation ledger -- is used to show a receipt of the transaction.

B

Bitcoin. First created in 2008, Bitcoin is the first cryptocurrency that uses a decentralized model with no need for a central bank.

Block. A record that stores data -- commonly transactional in nature.

Block Hash. The SHA3-256 hash of a Block.

WATCH: Blockchain 101: Visual Demo (17:49)

Blockchain. A series of blocks that are bound together using cryptographic signatures. Because of the use of secure encryption methods and a distributed database structure, blockchains are helpful in securing important data such as cryptocurrency.

WATCH: How does a blockchain work (5:59)

WATCH: Blockchains – how can they be used (Use cases for Blockchains) (7:07)

Byzantine Fault Tolerance (BFT). A mechanism used to adapt to node failures or malicious attacks where the distributed system can continue operating.

C

Chain of Custody (CoC). The complete history of ownership. A chain of custody helps prove data integrity and tamper-proof protections.

Coin. The use of blockchain to represent the value of a digital asset that is native to the blockchain network. Examples of coins include Bitcoin, and Altcoins such as Ether, Litecoin and Dogecoin.

Cold wallet. A method of storing cryptocurrency that is not connected to the internet. Cold wallets are added protection against malicious activities to steal or disrupt the integrity of digital coins/tokens.

Consensus. VIDEO: Understanding Blockchain Consensus Mechanism (4:00)