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Learn Stellar

Interactive glossary and educational resources for understanding the Stellar network

31 terms11 beginner11 intermediate9 advanced

Basics

6 terms
Stellar
Beginner

An open-source blockchain network for fast, low-cost payments.

Official Docs
XLM (Lumens)
Beginner

The native cryptocurrency of the Stellar network.

Official Docs
Account
Beginner

A fundamental data structure that holds balances and can send/receive payments.

Public Key
Beginner

A 56-character identifier starting with 'G' that represents an account address.

Secret Key
Beginner

A 56-character private key starting with 'S' used to sign transactions.

Stroops
Intermediate

The smallest unit of XLM: 1 XLM = 10,000,000 stroops.

Network

3 terms
Ledger
Beginner

A snapshot of the network state containing all accounts and transactions.

Consensus (SCP)
Advanced

Stellar Consensus Protocol - how the network agrees on ledger state.

Validator
Advanced

A node that participates in the network's consensus process.

Accounts

4 terms
Signer
Intermediate

A key authorized to sign transactions for an account.

Threshold
Intermediate

The signing weight required to authorize different operations.

Multi-signature
Intermediate

Account configuration requiring multiple signatures to authorize transactions.

Reserve
Intermediate

Minimum XLM balance required to maintain account and data.

Transactions

4 terms
Transaction
Beginner

A bundle of operations submitted to the network for execution.

Operation
Intermediate

A single action within a transaction, like payment or trustline creation.

Fee
Beginner

The cost in XLM to submit a transaction to the network.

Memo
Beginner

Optional metadata attached to a transaction.

Operations

1 terms
Payment
Beginner

An operation that sends an asset from one account to another.

Assets

3 terms
Asset
Beginner

Any tokenized value on Stellar, like XLM, stablecoins, or custom tokens.

Trustline
Intermediate

An explicit authorization to hold a specific asset from an issuer.

Issuer
Intermediate

The account that creates and manages a non-native asset.

Trading

2 terms
DEX (SDEX)
Intermediate

Stellar's built-in decentralized exchange for trading assets.

Offer
Intermediate

A buy or sell order on the Stellar DEX.

Smart Contracts

3 terms
Soroban
Advanced

Stellar's smart contract platform using Rust and WASM.

Official Docs
Smart Contract
Advanced

Self-executing code deployed on the Stellar network.

WASM
Advanced

WebAssembly bytecode format used for Soroban smart contracts.

Features

2 terms
Claimable Balance
Advanced

Assets set aside for later claim by specified accounts.

Sponsorship
Advanced

One account paying reserves on behalf of another.

Technical

3 terms
XDR
Advanced

External Data Representation - Stellar's binary serialization format.

Horizon
Intermediate

The REST API server for interacting with the Stellar network.

Stellar Core
Advanced

The backbone software that validates transactions and maintains consensus.