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Economic Utility: Meaning, Types, Examples

Economic utility is the value or satisfaction a person gets from consuming a good or service. It comes in four main types: form, time, place, and possession utility.

Edge computing

Edge computing is processing and storage near data sources to cut latency and bandwidth, enabling real-time IoT, automation, and smarter operations.

EIP-1559

EIP-1559 is an Ethereum upgrade that sets a demand-based base fee burned with transactions, adds a priority tip, and makes gas fees more predictable.

Electronic Check (Echeck)

eCheck payment definition: a digital check that transfers funds via the ACH network from payer to payee, enabling online and recurring payments.

Electronic Funds Transfer (EFT)

Electronic Funds Transfer (EFT) is the electronic movement of money between bank accounts, covering direct deposits, ACH, ATM transactions, and e-checks.

Electrum wallet

Electrum wallet: a lightweight Bitcoin wallet from 2011 that uses decentralized servers for fast transactions without downloading the full blockchain.

Elliott Wave Theory: Patterns, Cycles, and How It Works

Elliott Wave Theory is technical analysis that sees prices moving in five-wave impulses and three-wave corrections, often aligned with Fibonacci ratios.

End-to-End Encryption

End-to-end encryption is a method of secure communication that prevents third parties from accessing data while it's transferred from one end system or device to another.

Enterprise blockchain

Enterprise blockchain definition: a permissioned DLT and smart contract system for business improving security, efficiency, and traceability.

Erasure Coding

Erasure coding is a data protection method that splits data into blocks with parity, spreading across nodes for recovery and lower storage overhead.

ERC-1155

ERC-1155 is an Ethereum multi-token standard enabling fungible, non-fungible, and semi-fungible assets in one contract, with batch transfers to cut gas.

ERC 721

ERC-721 is the Ethereum NFT standard for unique tokens, enabling verifiable ownership and secure transfers of digital art, collectibles, and in-game items.

Ethash: Ethereum's Pre-Merge Proof-of-Work Algorithm

Ethash is the Proof-of-Work algorithm that secured Ethereum until The Merge in 2022 and still secures Ethereum Classic. Learn how Ethash mining works.

Ethereum ETF

An Ethereum ETF is an exchange-traded fund that tracks the price of Ethereum, allowing investors to gain exposure to the cryptocurrency without directly owning it.

Event-Driven Architecture (EDA)

Event-driven architecture (EDA) is a design paradigm where decoupled services react to state changes, enabling responsive, scalable, asynchronous systems.

Event sourcing

Event sourcing is an architectural pattern that stores each state change as an immutable event, enabling full history, temporal queries, and audit trails.

Event Stream Processing

Event stream processing is the real-time capture and analysis of data in motion to detect patterns, trigger actions, and deliver immediate insights.

Execution latency

Execution latency is the delay between initiating and finalizing a blockchain transaction, shaped by congestion and consensus, with ways to reduce it.

Execution speed

Execution speed is the rate a program executes instructions and returns results, shaping performance and UX; factors, metrics, and ways to optimize.

Exit Scam in Crypto: Definition, Examples, and Red Flags

An exit scam is when project operators disappear with investor funds. Learn how crypto exit scams work, common red flags, and how to protect yourself.

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