Candidate Blocks
Blocks created by miners in part of a proof-of-work consensus blockchain. A candidate block broadcasts its hash to check if it is valid. The wining candidate block with a valid hash then creates the next block in the network.
CBDC
Abbreviation for Central Bank Digital Currency. CBDCs are issued by central banks and have the same backing as fiat currency.
Central Ledger
An irreversible list of all transactions that have ever occurred on a platform.
Coin
A currency based on decentralized ledgers that relies solely on its own technology to function. Although most coins are blockchain-based, some use other decentralized technologies to maintain records and confirm transactions.
Coin Age
A measure used in Proof of Stake networks to calculate the value of a node's holdings during a given hashing period. Coin age can be used to help gauge transaction legitimacy. Peercoin is a PoS that uses coin age to help determine which node will add a block.
Cold Storage
A method of storing cryptocurrency offline. Keeping coins and tokens in cold storage solutions that are not connected to the internet is considered more secure than online solutions.
Collateralized Loan
A type of loan where a client stakes an asset against the funds they are receiving.
Consensus
The consensus is a way to agree if an action is valid or not on a blockchain.
Cryptography
The computerized encoding and decoding of information that prevents third parties from accessing it. Blockchain networks use cryptography to preserve data confidentiality, integrity, authentication, and non-repudiation.
Cypherpunk’s Manifesto
A paper written by Eric Huges that outlines Cypherpunks’ philosophy and vision. This Manifesto was a big influence on many early cryptocurrency enthusiasts.
Cypherpunks
A network of activists that advocated for the widespread use of strong cryptography and privacy-enhancing technologies as a route to social and political change. Cypherpunks were heavily involved in the early development of Bitcoin.