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Questions tagged [dapps]

Questions about applications and projects on Ethereum: a decentralized application (dapp) does not require any servers or backends and runs independent on a distributed blockchain.

6
votes
2answers
956 views

Ethereum fork of OpenBazaar

Is anyone forking OpenBazaar for Ethereum? OpenBazaar is a Bitcoin marketplace, and the OpenBazaar developers have expressed no interest to integrate any currencies other than Bitcoin.
4
votes
1answer
259 views

EtherEx decentralized exchange

Been waiting for a long time to be able to access a decentralized exchange. When will EtherEx be launched and will it support BTC ETH pair?
4
votes
1answer
2k views

Where exactly do DApps run? Who gets rewarded for running them? [duplicate]

So I am currently running a full node, as well as a GPU miner. I am curious first of all where do DApps get run? They wouldn't make sense to run on a GPU as they aren't very parallizable, so I am ...
7
votes
1answer
1k views

What reputation systems are implemented on Ethereum? [closed]

I'm looking into finding some sort of reputation system on Ethereum. Are there any projects out there already that do this? I found a DEVCON1 video about reputation systems and a few people discussing ...
18
votes
3answers
6k views

How can DApp developers profit from their work?

Suppose that I make a new, cool DApp that gets very popular. In order to cover development costs and make some profit, I charge users of the app a small quantity which is required to use to app - all ...
2
votes
2answers
275 views

Is it possible to access Ethereum API via the browser?

How do you access the api's of ethereum via the browser? Say I wanted to make a one page app that updates every 1 minute with the block number. And where can I get a list of all the API variables?
3
votes
1answer
307 views

Why should I be interested in Ethereum? [closed]

Is there a list of features and benefits to using Ethereum?
4
votes
2answers
828 views

What are the ways I can contribute to Ethereum?

I'd like to know more about how to contribute, both on a technical and non technical perspective
3
votes
1answer
323 views

Are there any decentralized local exchanges for euro/usd to ether?

Is it possible to have something like a DApp to find the closest Ether owner to purchase or sell ether? Something that can be used as a decentralized market.
3
votes
1answer
239 views

What is an 'uDApp'?

The online solidity compiler offers an output of smart contracts labelled uDApp, for example the greeter uDApp looks like that: [{"name":"greeter","interface":"[{\"constant\":false,\"inputs\":[],\"...
9
votes
2answers
4k views

How to connect a web site to a geth node?

Before the DApp-browser Mist was available, this web3 library seems the way to go on building a bridge from contract to a frontend (web site). But, I cannot get the very basic examples to work. ...
20
votes
3answers
7k views

Are there any public/free nodes to connect a Dapp front end?

I have a small Dapp written in Meteor (client only) that reads some contract and account info from the blockchain. I can deploy my front-end code for free on meteor.com (or a variety of other places),...
3
votes
2answers
252 views

Should we patent Dapps with new technology or processes?

I understand in the decentralized space patenting anything is generally frowned upon. Having said that, doesn't this expose Dapp developers to patent trolls, such as the Bank of America, from ...
5
votes
2answers
348 views

How do I add my Dapp to https://www.stateofthedapps.com/?

If I create a Dapp or start development on an Ethereum Dapp, what's the easiest way to get my Dapp listed on https://www.stateofthedapps.com/?
4
votes
1answer
985 views

Deploying Meteor Dapps

What are currently the best architectural and deployment options for building and deploying a Dapp built with Meteor/Web3? For building the Dapp, a few Meteor packages are currently available : "...
9
votes
1answer
750 views

Is it possible to achieve anonymous mixing through the Ethereum protocol?

Are any developers working on anonymous mixing? Is it achievable through the development of either smart contracts or dapps? Is information leakage reduced or eliminated?
105
votes
5answers
122k views

What is a DApp?

There are new terms in Ethereum like smart contract. What is a DApp and how is it different from smart contracts?
15
votes
3answers
1k views

What are effective and secure ways of shuffling a deck of cards in a contract?

We want to write a card game in Ethereum. What are effective and secure ways of shuffling a deck of cards in a contract, and dealing them to players? It needs to be done in a way so that no one can ...
8
votes
1answer
1k views

Are tools like metamask putting decentralization in danger?

Does a tool like metamask, which connects your browser to a public ethereum node to simplify running DApps, put the basic idea of decentralization and trustless blockchain verification in danger? Is ...
6
votes
2answers
622 views

How does ethereum alarm clock work if you can't 'wake up'?

Ethereum Alarm Clock. This service claims that it itself is implemented as a smart contract, but how is that possible? I thought the whole reason it existed was because A contract can't wake up ...
5
votes
2answers
502 views

What are some of the most interesting single contracts on Ethereum?

What are some of the most interesting contracts on Ethereum, where a contract may not necessarily be a system or dApp, but a code snippet? A contract may not have a UI but could still be quite ...
6
votes
2answers
841 views

How will regular users be able to use dApps without having to install another browser like Mist?

Requiring users to install another browser like Mist, is too much of a barrier for any kind of mainstream adoption. What are potential solutions and how close are they in actual practicality?
14
votes
5answers
2k views

How will regular users be able to use dApps without buying ether?

Requiring users to get ether before they can use a dApp, is too much of a barrier for any kind of mainstream adoption. If dApps offer free ether in a naive way, they can be attacked by Sybils where a ...
29
votes
1answer
3k views

How do I make my DAPP “Serenity-Proof?”

When Serenity comes around, the network will undergo many changes, some of which may have unexpected consequences on existing Smart Contracts. How can I plan so that I am best prepared to take ...
5
votes
1answer
187 views

What should I keep in mind when building Dapps? [closed]

I am your average developer who is excited about building Dapps. However, these seem different from a traditional program. So: Are there things that are flat-out impossible? What's the closest I can ...
15
votes
1answer
1k views

How should I handle blockchain forks in my DApp?

In the user interface of my DApp, how can I detect that a blockchain reorganization happened and what should I do to update the UI state once the fork is resolved?
5
votes
1answer
128 views

Why do dapp websites ask me to connect to them?

I don't understand why we need to run our own nodes to be using a DApp? Can they just run their own nodes instead?
41
votes
1answer
14k views

What is Whisper and what is it used for?

It's admittedly a very general question, but I've heard "Whisper" mentioned in several places when reading about certain DApps. I understand it allows peer-to-peer messaging of some kind, but what ...
27
votes
3answers
13k views

How to create a Dapp from scratch on Ethereum?

Let's say we have someone who knows about blockchain but who doesn't have any background in blockchain-based application. That person wants to code an ethereum-based Dapp (decentralized application) ...
13
votes
6answers
17k views

Is there a list of DAPPS that are already useable? [closed]

Is there a list of DAPPs that are already useable? Useable means there is an easy accessible GUI, that can interact with the contract.
10
votes
2answers
587 views

Is there a tool that creates a basic HTML interface from an ABI?

I am looking for a tool that builds a basic interface for a contract so that I can use this generated HTML as a starting point to build the front end. I am aware that Mist, https://chriseth.github.io/...
10
votes
4answers
4k views

What are the different GUI's available for Ethereum?

Are there any easy to use GUI's for Ethereum?