Cryptography
The science of using mathematical theories and computation in order to encrypt and decrypt information.
Custody
Can refer to an entity holding assets on behalf of a client or to the ownership of one’s funds or assets.
DeFi (Decentralized Finance)
A financial system that runs on a decentralized network rather than a single server. DeFi has become an umbrella term for a variety of financial applications in cryptocurrency or blockchain geared toward disrupting financial intermediaries.
Dead Cat Bounce
A period of time where the price of a declining asset briefly recovers only to be followed by a continuation of the downtrend.
Decentralised Exchange (DEX)
A a peer-to-peer marketplace where transactions occur directly between crypto traders DEXs fulfill one of crypto's core possibilities: fostering financial transactions that aren't officiated by banks, brokers, or any other intermediary.
Decentralization
In computing terms, a decentralized network
architecture distributes workloads among several machines, instead of relying on a single central server
Decentralized Application (dApp)
Applications that run on decentralized, P2P networks such as Ethereum that have no controlling entity.
Decentralized Autonomous Cooperative (DAC)
An organization that is controlled by shareholders rather than a central authority.
Decentralized Autonomous Organization (DAO)
An entity with no centralized leadership where decisions are made from the bottom up by the community that is organized around a set of rules that are enforced on a blockchain.
Decentralized Exchange (DEX)
A dApp that functions as an exchange where users are not required to deposit funds to start trading, and instead allows them to trade directly from their own wallets.
Decentralized Finance (DeFi)
An ecosystem that is comprised of decentralized financial applications that operate on blockchain networks.
Decryption
The act of reverting an encryption process so that unreadable data can be converted into a human-readable form.
Delegated Proof of Stake (dPOS)
A consensus algorithm similar to PoS in which stakeholders vote, by means of governance, for validators that facilitate block validation and production on the blockchain network.
Delegation
In DeFi, delegation refers to a cryptocurrency transaction from a wallet to a validator address. Delegations contribute to the efficacy of validator nodes and helps secure Proof of Stake blockchains.
Delegator
An account that sends tokens to a validator to receive a proportion of rewards generated from that validator node
Delisting
The removal of an asset from an exchange.
Difficulty
In mining, difficulty is used as a measure of the complexity required to mine a block.
Divergence
When the market price of an asset is heading in the opposite direction of a technical indicator such as the RSI, Volume or MACD.
Diversification
Allocating funds across a variety of types of assets and jurisdictions as a way to reduce overall risk.
Do Your Own Research (DYOR)
Good advice for any crypto investor. Don’t just blindly follow what others say about a coin or token.
Dollar-Cost Averaging (DCA)
A method of investing where fixed dollar amounts are regularly invested over time, regardless of the price of the asset.
Double Signing
The process whereby a validator signs two blocks at the same time.
Double Spending
An instance where a certain amount of coins are spent more than once.
Downtime
A period wherein a validator is absent from signing transactions.
Dutch auction
The price with the highest number of bidders is selected as the offering price so that the entire amount offered is sold at a single price. Dutch auctions can also refer to a market where prices generally start high and incrementally drop until a bidder accepts the going price.