Overview

You've learned what the XRP Ledger is and even sent value across it. Now comes the fun part: seeing the world that people have built on top of it. Just as the internet is far more than email — it's shops, maps, games, and banks — the XRP Ledger is far more than sending XRP. A whole ecosystem of apps lives there.

This module is a guided tour. You won't build anything or write a single line of code. Instead, you'll learn what these apps are, the main families they fall into, where to find them, and a few simple habits for trying one without any worry. By the end, the ecosystem will feel less like a mystery and more like a neighborhood you can stroll through.

What is a "dApp," really?

You'll hear the word dApp a lot. It's short for decentralized application — and the simplest way to understand it is to compare it to an app you already use.

When you open your banking app, you're really talking to one company's computers. The bank holds your money, keeps the records, and decides the rules. If the bank's systems go down, your app stops working.

A dApp is different in one key way: instead of trusting one company's computers, it runs on top of a shared, public network — the XRP Ledger — that nobody single owns. Think of the ledger as a giant shared notebook that thousands of computers around the world keep in sync. A dApp is just an app that reads from and writes to that shared notebook. Because the notebook isn't controlled by any one company, the app can keep working even if the team that made it walks away.

For you as a user, a dApp often feels like any normal website or phone app — buttons, screens, things to tap. The difference is under the hood: your money and your records live on the open ledger, not locked inside one company's vault.

The main families of apps

The ecosystem is large, but almost everything fits into a handful of familiar categories. Here are the ones you'll meet most often.

Wallets. Your home base. A wallet is the app that holds your keys and lets you send, receive, and view your assets — like a digital purse combined with a banking app. Xaman (formerly Xumm) is the best-known example on the XRP Ledger, and it's the one most newcomers start with.
DeFi and exchanges. "DeFi" means decentralized finance — apps for swapping one asset for another, trading, or earning, without a traditional bank or broker in the middle. The XRP Ledger even has a built-in marketplace (a DEX, or decentralized exchange), and several apps give it a friendly face.
NFTs and collectibles. Apps for creating, buying, and selling digital collectibles — art, music, tickets, in-game items. An NFT is simply a one-of-a-kind digital item whose ownership is recorded on the ledger, the way a deed records who owns a house.
Games and social. Yes, games. Some apps let you play, earn, or own items that live on the ledger, so your sword or your score truly belongs to you rather than to the game company.
Tools and explorers. The "utilities drawer." This includes block explorers — websites that let you look up any transaction on the ledger, like a public tracking page for a parcel — plus payment tools, dashboards, and services that businesses plug into.

You don't need to memorize this list. It's just a map of the terrain, so that when you see an app described as "a DeFi platform" or "an NFT marketplace," you already know roughly what it does.

Where to find them: the ecosystem map

So where do you actually go to discover all this? The single best starting point is the XRPL Ecosystem Map.

Think of it as a directory or a phone book for the XRP Ledger — an interactive, browsable catalogue of real projects building on the network. You can scan through it, see which category each project belongs to, and click through to learn more or visit the app itself. It turns a vague idea — "lots of stuff is built on XRPL" — into something concrete you can point at and explore.

Spend a few minutes simply wandering it. Notice how many projects there are, how varied they are, and which ones make you curious. That curiosity is exactly what this module wants to spark.

How to try one safely

Exploring should feel relaxed, not risky. A few simple habits keep it that way — the same common sense you'd use the first time you shop on an unfamiliar website.

Start by looking, not spending. Most apps let you browse and learn before you ever connect a wallet or move money. There's no rush.
Practice with the Testnet first. The XRP Ledger has a free "practice mode" called the Testnet, which uses pretend XRP you get for free from a faucet (a website that hands out test funds). Many apps offer a Testnet version, so you can click every button with play money before risking a single real cent. It's like a flight simulator for the ledger.
Use a trusted wallet as your front door. Sticking with a well-known wallet like Xaman means you approve every transaction. An app can ask, but it can't move your money without your explicit tap.
Go slow with real funds. When you do use real XRP, start with a tiny amount — enough to confirm the app works as you expect — before doing anything larger.
If something feels off, stop. Never type your secret recovery phrase into a website, and be wary of anything promising guaranteed returns. When in doubt, walk away. The map will still be there tomorrow.

With those habits, exploring the ecosystem is genuinely enjoyable — a low-stakes way to see what this technology actually makes possible.

Check

You're done when you can name the main families of XRPL apps (wallets, DeFi and exchanges, NFTs, games, and tools), find apps using the ecosystem map, and describe at least one habit for trying an app safely — such as starting on the Testnet or going slow with real funds.

For your artifact, open the ecosystem map, pick 3 apps that interest you, and write one sentence for each explaining what it does. No technical knowledge needed — just go with what looks useful or fun.