Questions tagged [decentralized-applications]

applications that run on a distributed computing system. Also known as dApps

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Starting to learn development on Cardano blockchain platform

I am Wim. I want to develop dapps on the Cardano blockchain platform. I have a little bit of programming experience in Java. So i think i will start from scratch to learn Cardano and the development ...
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Connect Unity 3D game with cardano

I am creating a play to game in Unity 3D. What is the best way to authenticate wallet of the users and send cardano native tokens.
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1 vote
1 answer
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Dapp connection with mobile browser

How do I connect my cardano website (dapp) with cardano mobile wallet. currently, I am using yoroi-frontend for desktop browsers.
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1 answer
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Cardano dapp user authentication based on the wallet address

What are the best options to add user-authentication system based on the wallet address for my website? Thanks
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1 vote
2 answers
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How to embed smart contract in website

I am creating a dapp website and which will reward it's users on completing different tasks. I have to create cardano native tokens. My question is that how can I send, lock and burn native tokens ...
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8 votes
5 answers
186 views

Possible DApp infrastructure on Cardano. Interaction with users' wallets

I'm trying to build a possible DApp infrastructure on Cardano in my head. We should write the validation script in Haskell. Also as I understand, it is suggested to use Haskell for the off-chain code ...
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Question - is there a simple example end-to-end dApp on Cardano

as the title says... is there any example of a simple application built on cardano? I tried to find one but apparently there is none. I want to start learning by interacting directly through code and ...
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2 answers
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How can I establish the communication between my Flutter App and Cardano Blockchain?

Did anybody succeed with building a Flutter App that can communicate with the Cardano Blockchain? I would be happy if I could get some more guidance. I'm trying to build a cross-platform Dapp, so I do ...
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2 votes
1 answer
74 views

How does a Cardano DApp client authorize a payment?

Am I correct in thinking that this requires a DApp connector on the same device as the User's wallet? Or could you have an app on the user's device that doesn't connect to their wallet, but somehow ...
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How do you populate NFT (images) in-game?

Sushibyte (and other game projects) has users input their wallet and then populates specific NFT's as playable images. Could someone walk me through the logic that verifies the desired policy ID and ...
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6 votes
1 answer
76 views

Where can I find a good tutorial for PAB?

Up till now, I can't find any tutorial on how to use PAB on the Internet. I really want to try it out to develop Cardano Dapp. Anybody find good ones?
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2 votes
0 answers
27 views

How to reuse data when updating Token using StateMachine

I'm currently creating a social network-like Dapp on plutus, and I've come across something I don't understand. My Dapp, for example, is NFT(for own identity)->RFT(for sell own content)->NFT(for ...
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1 vote
1 answer
136 views

Dapp connector for cardano-cli wallets

I've read about the Yoroi dapp connector, but is there a way to connect a wallet which was created with cardano-cli to some dapp?
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3 votes
1 answer
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What kind of dapps can scale using hydra?

I've been reading through the paper on the hydra protocol and seems to have a lot of nice properties. However, what isn't directly clear from the paper is in what kinds of dApps hydra could help scale....
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3 votes
1 answer
113 views

Can you create a DAO on cardano using only native tokens or would it require a sidechain?

I am researching creating a community-driven dapp with tokenomics similar to steem. Can someone point me in the right direction regarding implementation on the cardano ecosystem? I can not find a lot ...
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8 votes
2 answers
455 views

I am completely new to Cardano eco system. To learn it from the absolute basic, where do I start?

This is a broad question but I am sure many might have this in their mind. I am an upcoming blockchain engineer and my exposure to Cardano eco system is limited to buying the ADA cryptocurrency and ...
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4 votes
1 answer
189 views

How to connect wallet with my dapps using yoroi dapp connector.?

I am trying to connect my users to my NFT Trading card game with yoroi. Can you provide me with an metamask equivalent for cardano
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3 votes
3 answers
120 views

How to validate someone delegates to your stakepool, while preserving their privacy?

Say you had a "stake pool paywall" for your website, where you offer your content, but only to those who delegate to your stake pool. What's the best way to validate someone has delegated to ...
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2 votes
1 answer
66 views

What should I do with a validator which exceeds the maximum size?

In the recent months, I've been working on a conflicts resolution project and was starting to write the Plutus script. The problem is that, because of the complexity required, the script ended up ...
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2 votes
1 answer
359 views

How to create a programmable NFT?

Is it possible to create a gif or video NFT? For example, every time the user clicks on the image, an animation plays once or on repeat over the image. I do not see any guides on this and would ...
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3 votes
1 answer
148 views

What are the best solutions for randomness in Cardano?

I would like to create a gambling Dapp and for this I need a provably fair RNG. What are the best solutions for provably fair randomness in Cardano Will Cardano add Chainlink VRF in the future?
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2 votes
2 answers
68 views

What is the point of borrowing on Defi

In order to take out a loan on a Dapp you have to come with collateral. Whatever you cannot pay back on the loan, you lose that amount in collateral and the interest accrued. That being the case what ...
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2 votes
1 answer
62 views

Hypothetically, could someone other than the Cardano Foundation or IO publish an application back end first?

The Plutus Application Backend remains to be published. Could someone else put one up first? What would happen?
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4 votes
2 answers
163 views

Decentralizing an entire website with Cardano?

Is it currently possible to decentralize an entire application using Cardano (with the help of other decentralized services)? Coming from the viewpoint of a traditional Web 2.0 background, what are ...
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4 votes
1 answer
161 views

Making Dapps with Flutter

I have not used Plutus yet, but I’m in the pioneer program and will start soon. I am wondering if you can integrate the smart contract code with Flutter as a front end?
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3 votes
1 answer
311 views

What is the purpose of the Yoroi connector for dapps integration?

Based on my understanding of Cardano I would guess that the connector will serve much the same purpose at MetaMask. To allow Cardano dapps to connect with and use the funds in your Yoroi wallet. Is my ...
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10 votes
2 answers
417 views

How does DApp front-end integrate with user wallets?

I'm familiar with using the Plutus Playground and Plutus TraceEmulator library to configure the wallet actions for the endpoints of a smart contract. These simulators are great for testing the smart ...
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7 votes
3 answers
208 views

Where can I find Cardano Dapp code and demo examples?

I am checking Cardano documentation to develop Cardano POC for my Dapp, found some good examples to create contracts using online application i.e. Plutus (https://playground.plutus.iohkdev.io/). ...
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0 votes
2 answers
100 views

is it possible to build a cardano multicurrency dApp wallet? [closed]

Will there be a cardano dapp built for multicurrency wallet, like Exodus and Guarda, that's desktop based, but built on cardano?
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8 votes
1 answer
275 views

How will dapps handle cardano inflation from staking rewards?

Let's say I would like to lock up some ADA in a smart contract for about 3 months. How will this compete with ~5% APR from staking rewards? Do all dApps need to provide a minimum ~5% APR just to keep ...
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13 votes
1 answer
100 views

Plutus Contracts Delegation

Is there or will there be such a thing where delegators can stake to a smart contract itself, rather than a pool?
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11 votes
2 answers
990 views

Are there web3.js-like in Cardano?

With the Cardano's Alonzo Hard fork coming, the Cardano testnet will be coming in. I assumed that there is a frontend library for interacting with the Cardano testnet, however I couldn't find anywhere....
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19 votes
2 answers
238 views

What advantages does Cardano have over other "fast" blockchains?

I'm a developer looking into starting my first dApp project. I've been waiting for Cardano to release smart contracts due to Ethereum's insane gas fees and low transaction throughput. I recently ...
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9 votes
3 answers
327 views

How will DApps work on Cardano?

This may been too broad of a question but I was hoping to ask a few specific questions here rather than over multiple questions. I don't think DApps are available yet but I'm sure people have started ...
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