XRPL Learning Portal 術語表

An address is the public identifier for your account on the blockchain. This is often derived from a public key, or just a public key itself.

A crypto airdrop is a strategy used by blockchain startups to distribute tokens or coins to specific wallet addresses in order to raise awareness and adoption of new blockchain projects.

Algorithmic stablecoins are a type of cryptocurrency designed to maintain a stable value without being directly backed by a fiat currency or other assets. Instead, they use algorithms and smart contracts to control their supply based on market demand.

Any cryptocurrency other than Bitcoin.

Annual Percentage Rate (APR) is a metric used to describe the interest rate associated with lending or borrowing cryptocurrency over a year.

Crypto arbitrage is a trading strategy in which traders take advantage of different exchange rates for the same digital asset.

In decentralized finance (DeFi), asset management protocols try to function like the traditional funds with the help of smart contracts. In line with other DeFi projects, they are designed to provide investors with more control, transparency, and efficiency over fund management.

A crypto audit is the comprehensive review of a cryptocurrency's financial records, transactions, and underlying blockchain technology to verify the accuracy of financial data, detect potential fraud, and adherence to regulatory standards.

Authentication is the process of verifying the identity and authorization of a user or entity before granting access to their cryptocurrency holdings or allowing them to perform transactions on a blockchain or within a cryptocurrency ecosystem.

Auto-bridging allows you to trade currencies by going through an intermediary currency. Ex. On the XRPL, most currencies have an XRP exchange rate, which can be used to automatically get an exchange rate from A -> XRP -> B.

An "automated market maker" (AMM) is a type of decentralized exchange (DEX) protocol that facilitates the exchange of cryptocurrencies without the need for traditional order books and intermediaries. AMMs use mathematical algorithms and smart contracts to automatically match buyers and sellers, determine prices, and provide liquidity to the market.

The first and most well-known cryptocurrency, created in 2009 by an unknown individual or group using the pseudonym Satoshi Nakamoto.

Blackhole addresses are wallet addresses where cryptocurrency funds have been sent but are virtually impossible to retrieve or spend. These addresses are sometimes created intentionally, while others may become blackholes unintentionally due to various reasons.

A decentralized, distributed ledger technology that is the backbone of many cryptocurrencies.

A crypto bridge, or cross-chain bridge, is a tool that allows users to efficiently transfer digital assets between different blockchain networks.

A bridge currency facilitates cross-border and cross-currency transactions by functioning as a common, liquid asset that both parties can convert to and from more efficiently than the exchange rate of the two original currencies.

Burning is the permanent, irreversible removal of a token from circulation, and is a core feature of many non-fungible tokens (NFTs)

Buy offers, or ‘Bids’ on other crypto networks, are offers made by buyers to buy specific cryptocurrencies, NFTs, or digital assets on the XRPL network, enabling transparent and efficient transactions in the cryptocurrency and NFT ecosystems.

Practical Byzantine Fault Tolerance (PBFT) is a consensus algorithm designed to work efficiently in an asynchronous system (no assumptions are made about timing) and optimized to have low latency.

Many cryptocurrencies require significant computational power and energy to validate transactions and secure the network. This high energy demand often relies on fossil fuels, contributing to a larger carbon footprint and further stressing our delicate ecosystem on planet Earth.

CBDCs, or Central Bank Digital Currencies, are digital representations of fiat currency issued by central banks.

A central limit order book is an exchange-style execution method common in the equity world that matches all bids and offers according to price and time priority. It allows all users to trade with each other, instead of being intermediated by a dealer.

Centralized finance (CeFi) are financial services offered by centralized institutions like banks, exchanges, or other financial entities.

The core idea behind CeFi is to create crypto investment opportunities that offer some of the yield benefits of DeFi with some of the ease of use and security of traditional financial-services products (sometimes referred to as TradFi).

Checks are cryptographic instruments within the XPRL that allow users to set conditional requirements for valid transactions, leveraging the power of smart contracts and blockchain technology for secure and automated payment settlements.

A "cold account" is a type of cryptocurrency wallet or address that is not connected to the internet and is primarily used for long-term storage and enhanced security.

Concentrating liquidity allows liquidity providers (LPs) to focus their assets within specific price ranges where trading activity is highest, leading to increased capital efficiency and deeper liquidity.

Consensus is the mechanism by which decentralized networks achieve agreement on transaction validity and blockchain state without a central authority, employing algorithms like Proof of Work (PoW) or Proof of Stake (PoS).

A Consensus Protocol, like the XRP Ledger (XRPL), is a distributed network of nodes that collaboratively validate and vote to decide which transactions are applied to the ledger.

Cross-currency payments facilitate seamless value transfer between different currencies or assets, promoting global commerce and financial inclusion within decentralized ecosystems like XRPL.

A digital decentralized currency that uses blockchain technology to operate independently.

A platform where users can buy and sell cryptocurrencies.

Cryptography is a fundamental concept in coding, cryptocurrency, and XRPL that involves using mathematical algorithms to secure and protect sensitive information, ensuring confidentiality, integrity, and authentication. It encompasses encryption, decryption, digital signatures, and key management techniques, providing a robust framework for secure communication, data storage, and transaction verification.

A custodial wallet is a wallet in which a third party (usually a crypto exchange) is responsible for managing your private keys.

Decentralization in cryptocurrencies entails the absence of central authority, with security through cryptography and blockchain technology, allowing a distributed community to collectively control the currency, fostering fairness, security, resilience, and transparency in transactions.

A decentralized autonomous organization (DAO) is a blockchain-based entity that operates without a central authority, using smart contracts to automate its functions.

A financial system built on blockchain technology that operates without intermediaries.

DeFi derivatives refer to financial contracts or instruments that derive their value from underlying cryptocurrencies or assets.

Crypto derivatives are financial instruments that derive their value from underlying crypto assets. Traders place their bet based on speculation of the price movements of crypto tokens, and can choose to either sell or buy the asset.

Destination tags are extra pieces of information that are included when sending XRP or other assets to a destination wallet address. Destination tags are used to ensure that transactions sent to the same receiving address can be properly attributed and credited to the correct recipient, even if multiple users or accounts share the same wallet address.

A DEX (Decentralized Exchange) is a blockchain-based platform that enables direct peer-to-peer trading of cryptocurrencies, NFTs, and digital assets without intermediaries.

Digital assets are intangible forms of value, including cryptocurrencies, ownership rights, and more.

Direct XRP payments facilitate seamless and efficient transactions by enabling direct transfers of XRP, the native cryptocurrency of XRPL, eliminating intermediaries and providing fast, low-cost, and secure transactions within the XRPL ecosystem.

The technology that enables the creation of decentralized, digital ledgers such as blockchain.

Distribution is the process by which tokens are created and distributed to participants in a blockchain network.

A feature on the XRP Ledger that allows users to lock up a certain amount of XRP for a specified period of time.

The Ethereum Virtual Machine (EVM) is a decentralized virtual environment that executes code consistently and securely across all Ethereum nodes.

Government-issued currency, such as the US dollar or the Euro.

Fiat-collateralized stablecoins are a type of cryptocurrency that are backed by a reserve of fiat currencies, such as the US dollar, to maintain a stable value. They are the most common type of stablecoin and are often used to hold money in the crypto ecosystem and on DeFi platforms.

Gas prices refer to the fees users pay to execute transactions or smart contracts on the network.

The first block in a blockchain.

A split in the blockchain, creating a new version of the cryptocurrency.v

A "hardware wallet" is a physical device designed specifically for the secure storage and management of cryptocurrencies.

A mathematical function that takes an input and produces a fixed-size output, used to confirm that all validators are talking about the same transactions.

The measure of a miner's computational power.

Hooks are small, efficient pieces of code being defined on an XRPL account, allowing logic to be executed before and/or after XRPL transactions.

A hot account, or hot wallet, is a type of cryptocurrency wallet that is connected to the internet and is readily accessible for everyday spending, trading on exchanges, and facilitating quick transfers of cryptocurrency.

Immutable refers to the property of a blockchain ledger that makes it resistant to modification or alteration once data has been recorded and confirmed in a block.

Tokenization is the process of transforming real-world assets or rights into digital tokens on a blockchain, making it possible to represent and trade items like real estate, art, or commodities as digital assets.

The Interledger Protocol is a protocol for connecting different ledgers and facilitating cross-ledger transactions.

An old name for Issued Currencies on the XRPL. Originally it was an acronym for "I owe you," used to represent a debt or credit relationship between two parties on the XRP Ledger.

Key rotation is a security practice aimed at reducing the risk of unauthorized access of cryptocurrency holdings through periodically changing or updating the cryptographic keys associated with a wallet or account.

The ability to buy and sell assets on demand with minimal price impact.

A "liquidity pool" is a decentralized smart contract or protocol that holds a supply of two or more different cryptocurrencies or tokens.

A liquidity provider (LP) is a financial institution or market participant that ensures there are enough assets in a market for trading.

"Mainnet" is the main and functional blockchain network of a cryptocurrency project. It represents the production-ready, live version of the blockchain where actual transactions, smart contracts, and other activities occur. The Mainnet is where cryptocurrencies are used for their intended purposes, such as peer-to-peer transactions, decentralized applications (DApps), and various blockchain-related operations.

Examples of cryptocurrencies with their own Mainnets include Bitcoin (BTC), Ethereum (ETH), and the XRP Ledger. These Mainnets serve as the foundation for the broader cryptocurrency ecosystems and are central to the adoption and use of these digital assets and blockchain technologies.

A medium of exchange is a system or device that allows for the transfer of goods or services between two parties.

The process of using computer power to validate transactions on a blockchain and earn new units of a cryptocurrency as a reward. This is only used in “proof of work” networks.

Minting tokens is the process of creating unique digital assets to represent things like artwork, music, or collectibles on a blockchain.

Multi-signature accounts enhance security and trust by requiring multiple authorized signatures to approve and execute transactions, preventing any individual from unilaterally controlling funds.

Nodes refer to the computers or devices that participate in maintaining and operating a blockchain network. These nodes play a critical role in the decentralized and distributed nature of cryptocurrencies by verifying and validating transactions, maintaining a copy of the blockchain ledger, and helping to secure the network.

A non-custodial wallet is a wallet in which you are responsible for storing and managing your private keys.

Non-Fungible Tokens are unique digital assets that can't be replicated or replaced.

denoting software for which the original source code is made freely available and may be redistributed and modified.

An order book is a record of buy and sell offers for a specific asset.

Pathfinding is the process of finding a good exchange rate by comparing different chains of cross-currency trades.

Payment channels allow blockchain users to combine many transactions off-chain into a single on-chain settlement to reduce transaction fees. They’re often used with large volumes of micro-payments worth less than a penny.

An alphanumeric code that acts similarly to a password and is used to access and manage a user's cryptocurrency holdings.

Proof-of-Stake (PoS) is a consensus algorithm that selects validators based on their cryptocurrency ownership to validate and secure transactions, offering energy efficiency, scalability, and faster confirmation times compared to Proof-of-Work (PoW), making it a significant advancement in coding and cryptocurrency.

Proof-of-Work (PoW) is a consensus algorithm where miners solve complex puzzles to validate and secure blockchain transactions, ensuring integrity and immutability, although it requires substantial computational power, energy consumption, and has scalability concerns.

Provenance refers to the historical record and traceability of an asset's origin, ownership, and transaction history.

A publicly visible cryptographic value used to verify digital signatures.

Real-World Assets (RWAs) refer to tangible assets that exist outside the digital realm. These can range from bonds to real estate properties, commodities, and machinery. The concept of RWAs in the blockchain context is about digital tokens that represent these physical and traditional financial assets.

The company that created RippleNet and a contributor to the XRP Ledger.

A decentralized network of financial institutions that use Ripple's technology to facilitate cross-border payments.

Security Tokens (also known as tokenized securities) represent ownership in a real-world asset or investment, such as stocks, bonds, real estate, or other financial instruments.

A "seed" typically refers to a sequence of random words or a mnemonic phrase that serves as the root or master key for generating a set of cryptographic keys, including private keys and public addresses. Seeds are a crucial component of cryptocurrency wallets and are used to derive the keys necessary for managing and accessing cryptocurrency holdings. It is a critical component of wallet setup, backup, and recovery, and its security should be a top priority for cryptocurrency users.

Sell offers, or ‘Asks’ on other crypto networks, are transactions where sellers say what price they would be willing to accept from a buyer to sell specific cryptocurrencies, NFTs, or digital assets.

A settlement is the process of recording a transaction on a blockchain to confirm the transfer of a digital asset or token.

Sidechains are parallel chains that enhance blockchain networks by enabling developers to build custom applications with specific features, addressing scalability and privacy concerns while maintaining interoperability with the main blockchain, thereby enhancing the performance and versatility of decentralized applications (dApps).

A user-defined piece of code which runs on the blockchain.

A change to the blockchain protocol that is backward-compatible.

A "software wallet" is a digital tool or application that allows users to store, manage, and interact with their cryptocurrencies on a computer or mobile device.

A type of cryptocurrency that is pegged to the value of a fiat currency or other assets to reduce price volatility.

Sustainability is the concept of mitigating the environmental impact of blockchain technology by exploring energy-efficient consensus mechanisms and utilizing renewable energy sources.

The testnet is a separate and parallel blockchain network that is used for testing and development purposes.

Token emissions are the creation and distribution of new tokens within a cryptocurrency or blockchain network.

Tokenization is the process of converting real-world assets or rights into digital tokens on a blockchain or distributed ledger system. These digital tokens represent ownership or access rights to the underlying physical or digital assets, and they can be bought, sold, or traded like cryptocurrencies.

"Tokenomics," a portmanteau of "token" and "economics," refers to the economic system and principles governing the behavior, use, and distribution of cryptocurrency tokens within a blockchain ecosystem.

Total Value Locked (TVL) is the total amount of assets secured within decentralized finance (DeFi) platforms. It's a crucial indicator of a platform’s liquidity, overall usage, and how active it is within the ecosystem.

The fee charged by a relevant network for processing transactions on the blockchain.

Trustless describes a feature that enables secure and transparent transactions without the need for trust in a central authority.

Trustlines are a feature of the XRPL which lets users decide what tokens they are willing to hold.

A "unique node list" (UNL) typically refers to a specific set of validator nodes or trusted participants in a blockchain network.

An unspent transaction output (UTXO) is the amount of digital currency left over after a cryptocurrency transaction is completed. UTXOs are the fundamental units that make up a cryptocurrency wallet balance and are a key feature of many cryptocurrencies.

Validation is the process of confirming the accuracy and legitimacy of data and transactions within a decentralized network.

A node on the XRP Ledger that participates in the consensus process and validates transactions.

Verifiability is the fundamental principle of being able to check that a system is following the rules, preferably in a quick and easy manner. This is why blockchains prioritize transparency - so that any fraudulent activity can be quickly identified.

A tool to access and control cryptocurrencies.

A string used to generate a private key.

An unspent transaction output (UTXO) is the amount of digital currency left over after a cryptocurrency transaction is completed. UTXOs are the fundamental units that make up a cryptocurrency wallet balance and are a key feature of many cryptocurrencies.

Web3 is a term for the next iteration of the internet that uses blockchain technology to decentralize control and ownership of data. The goal is to create a more user-centric internet where people have more control over their data and the internet's direction.

Individuals or entities that hold large amounts of cryptocurrency and can have a significant impact on the market price.

XRP is the native asset of the XRP Ledger.

The decentralized, open-source blockchain on which XRP is traded.

Xumm is a a non custodial blockchain wallet with superpowers for the XRP Ledger. Xaman focuses on providing a seamless experience for XRP holders, allowing for easy transactions and management of assets.

Yield farming is a high-risk investment strategy in decentralized finance (DeFi) where investors provide cryptocurrency assets to earn rewards. It's also known as liquidity mining.