Do I need to download anything to use a DApp?

Usually only a wallet. Most Cardano DApps (decentralized applications) run in a web browser, and you connect a wallet such as Lace, VESPR, or Eternl through its browser extension or mobile app. The connection uses CIP-30, a shared standard, so one wallet works with many DApps without extra setup. The Cardano wallets section lists more options.

Not fully. Most DApps (decentralized applications) don't ask you to create an account or give your name; you connect a wallet instead. But your wallet address and every transaction it makes are recorded on Cardano's public blockchain, where anyone can look them up with a block explorer. The DApp's website can also collect ordinary web data, as any site can. Privacy tools exist, but they are separate from most DApps.

Can I build a DApp without being a programmer?

For some common uses, yes. NMKR offers no-code minting, so creators can launch an NFT (a unique token that records ownership) collection without writing code. Clarity provides no-code tools to set up a DAO, a group that votes on decisions on-chain. A custom DApp needs smart contract code, so teams without developers often hire one of the Cardano development companies.

How do DApps make money if they don't sell your data?

Many charge small fees for each action. On Minswap, a decentralized exchange, a fee is taken on every swap and paid to the liquidity providers who supply tokens to its pools. Some DApps also issue a governance token that lets holders vote on changes; Liqwid, a lending protocol, lets LQ holders vote on proposals. Others are funded by grants or by the company that builds them.

Is it risky to connect my wallet to a DApp?

Connecting on its own only lets a DApp (decentralized application) read your wallet addresses and balances; it cannot move funds. Money leaves only when you approve a transaction, and the wallet signs it internally, as the Cardano glossary entry on CIP-30 explains. The real risk is approving something you don't understand, so stop if a signing prompt asks for more than you expected.

What is a DApp? - Adastack Ecosystem Explorer

Blockchains aren't only for sending digital currency. They can also run apps. These are called DApps, or decentralized applications, and people use them to trade tokens, borrow, collect NFTs, play games, and vote.

A DApp can look like any other website, but under the hood it works differently. Here's what you need to know.

What Does "DApp" Mean?

DApp stands for decentralized application. Like any app, it has a user interface and does specific jobs. The difference is where its rules live. A regular app runs its logic on a company's own servers. A DApp keeps its rules in code on the blockchain. If the company behind it shuts down its website, the on-chain part still runs.¹

That means:

Changes to the on-chain part happen in public transactions, not behind the scenes
Anyone can inspect its transactions, which are recorded on a public blockchain
Many DApps publish their code as open source, and some hand decisions to a community of token holders

The website you visit is usually an ordinary front end. The decentralized part is the contract code it talks to on the blockchain.¹

How Do DApps Work?

At the core of every DApp is a smart contract: code stored on a blockchain that carries out an agreement automatically once its conditions are met.²

For example, a DApp might:

Let you swap one token for another
Lend you tokens against collateral you deposit
Sell or auction NFTs
Count votes for a DAO (decentralized autonomous organization)

On Cardano, developers write smart contracts in languages such as Aiken, Plinth (formerly Plutus Tx, based on Haskell), and OpShin (based on Python).³ The contracts run on Cardano's extended UTXO model (eUTxO), where the fee for a valid transaction can be worked out exactly before you submit it.⁴

To use a DApp, you connect a wallet. On Cardano, the "Connect Wallet" button relies on a standard called CIP-30. When you click "Connect Wallet", your wallet asks whether to allow the site in. Once you agree, the site can see your addresses and send transactions to your wallet for approval. Signing happens inside the wallet, so the site never sees your keys.⁵

Types of DApps

DApps cover finance, collectibles, games, governance, and more. The technology underneath is similar, but what people do with it varies widely. Here are the most common types.

1. DeFi DApps (Decentralized Finance)

These DApps offer financial services through smart contracts instead of a bank or broker. They let users:

Swap tokens on decentralized exchanges such as Minswap and SundaeSwap
Lend and borrow on lending protocols such as Liqwid and Fluid Tokens
Earn trading fees by supplying tokens to a liquidity pool

There is no account application or credit check; the contract's rules apply the same way to every user. A DApp's website may still block some countries under its terms.

2. NFT DApps

These platforms let users mint, buy, sell, or display non-fungible tokens (NFTs). Examples include:

NFT marketplaces such as Wayup
Minting tools such as NMKR, which lets creators launch a collection without writing code

An NFT's ownership record sits on the blockchain, so anyone can check who holds it and trace where it came from.

3. Gaming DApps

Blockchain games record some in-game items as NFTs, so players hold them in their own wallets and can trade them outside the game.

Infinity Rising (formerly Cornucopias), an open-world online game whose RISE token has official contracts on Cardano and Base⁶
Wargrum, a trading card game that mints each card as a Cardano native asset, so your collection sits in your wallet rather than on the game's server⁷

Players keep the items they earn or buy, even if they stop playing.

4. Governance and DAO DApps

These DApps help communities make decisions together without a central leader.

Governance tools such as Tempo, where ADA holders can compare delegated representatives (DReps) and delegate their vote⁸
DAO platforms such as Clarity, which provides no-code tools to create and manage DAOs on Cardano⁹
Identity apps that let people prove facts about themselves or their projects, listed in the identity category

On-chain votes and delegations are public, so anyone can check them.

5. Real-World Asset DApps

These DApps represent ownership of physical assets, such as housing finance, property, or company shares, as tokens on a blockchain. Browse more in real-world assets and real estate.

Empowa (a Cardano-based platform for financing affordable housing in Mozambique, Nigeria, and Kenya)¹⁰
Libertum (a platform that lets businesses issue tokens for real estate, private equity, invoices, and other assets, live on Cardano mainnet)¹¹

Tokens can split an asset into smaller shares and record each trade publicly. Who can buy them depends on the issuer and local regulations.

Are DApps Safe to Use?

DApps remove some central points of failure, but they still carry risks:

Smart contracts with bugs can be exploited
Fake DApps can copy the look of real ones
Blockchain transactions can't be reversed, so approving the wrong one is permanent

Before you connect, check the website address carefully and look for the project's official links. Read what your wallet asks you to sign. A real DApp never needs your seed phrase (the list of words that restores your wallet), so never type it into a website.¹²

Why Do DApps Matter?

DApps change who controls the app. They:

Let people transact directly with each other, without a company in the middle
Run on rules recorded on a public blockchain, where their transactions can be checked
Are open to anyone with an internet connection and a wallet, subject to the terms of each DApp's website
Let users hold their own assets, NFTs, and identity tokens in a wallet they control

People often group DApps, wallets, and blockchains under the name Web3.

DApps on Cardano

Cardano supports smart contracts, so developers build DApps on it for finance, NFTs, games, governance, and real-world assets. Most work in your browser with a wallet such as Lace, VESPR, or Eternl. More options are in the wallets section.

Browse projects by type in the DApps section.

Learn more: what you can do on Cardano, how to set up a Cardano wallet, what is a DAO, and intro to Cardano development.