An e-wallet is a remote service, usually a web site, which runs an instance of the Bitcoin (or similar) software and manages one or more addresses on behalf of its clients. Such services allow access from mobile devices, public computers or other platforms without the need to install software.

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Are there any web wallets around with open APIs?

For a long while, blockchain.info offered a web wallet with a convenient web API, but it recently turned out that it now requires an installation to function. I'm wondering - are there any other ...
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40 views

bcoiner wallet - Problem with Transactions [closed]

I have a problem with the transactions on bcoiner wallet! I had $2,400 so I tried to send it, but they don't go away. It says it was a send, but my amount still same, and I don't get anything, so ...
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2answers
34 views

Coinbase wallet address listed as spent without spending

I created a coinbase account and a new wallet that only had one address "A" associated with it. I then gave that address to a friend and had them send me some amount "B" of bitcoin. Shortly ...
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85 views

How can I find my Bitcoin address on Airbitz?

I'm new to Bitcoin. I'm using Airbitz on my phone and I need to find my wallet address.
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1answer
230 views

How can I recover a blockchain.info wallet without the wallet identifier or the mnemonic?

My son made both of us each our own bitcoin wallet, and showed me how to use the faucets. With me being disabled and sometimes not being able to get out of bed because of pain; He thought it would ...
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2answers
122 views

How do on-line wallet or bitcoin exchanges usually secure their private keys?

I suppose they're kept encrypted as not to do so would be the equivalent as saving plaintext passwords. I heard most of them keep a percentage of the funds in cold storage, but then isn't it ...
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0answers
31 views

Closed Group Bitcoin Platform

We need a special closed-loop wallet or platform, which will support a group of members who wish to pay Bitcoins to each other via an API in the form of split donations on a monthly basis. Coinbase ...
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1answer
158 views

Creating a Bitcoin online wallet service

My question is this: Lets say I wanted to create a bitcoin site, where users register and can deposit bitcoins into their account. should i use my MPK to generate infinite addresses, so after a user ...
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1answer
71 views

Do you receive interest on Peercoin if you use an online wallet?

I know Peercoin is proof-of-stake, but if I use an online wallet, will I receive any of the coins generated for my stake? Or do I have to have to download a desktop wallet?
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2answers
123 views

Hybrid e-wallets

I am quite confused regarding working of hybrid e-wallets..If private keys are stored on user's browser, then what is the purpose of involving a hosted web service... Can someone please answer my ...
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1answer
290 views

Is there any open source implementation of Bitcoin wallet encryption in Java?

I intend to establish an efficient and secure scheme for protection of wallets. For this , I need source code that implements wallet ecryption as mentioned in ...
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3answers
527 views

How can an online wallet be more secure than paper wallets or cold storages?

Recently, after I was reading that some bitcoin early adopter lost 750 BTC due to theft from his macbook, I was looking for the most secure storage solution for my coins. I already know about paper ...
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327 views

How do wallet-sites generate large numbers of Bitcoin addresses?

How do online Bitcoin wallet sites work? How can they have thousands of addresses laying around, or do they create them on the fly? What sort of software is used to create all those Bitcoin ...
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1k views

Security and recover issues in blockchain.info wallet

I have a wallet in blockchain.info. I'm quite new to bitcoin and would be happy if someone would explain me : (1) what should I do in order to save my bitcoins if something happens to ...
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1answer
88 views

What does it mean to build an online Bitcoin Wallet service?

I know this question has been asked before but none has a satisfactory answer. I understand that there are third party apis available which let one host online bitcoin wallet service. These type of ...
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1answer
45 views

When was MyBitcoin created?

MyBitcoin used to be an online Bitcoin shared eWallet. It was the go-to place for easily handling bitcoins. The site eventually shut down with a major loss of coins, widely suspected to be perpetrated ...
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1answer
171 views

What are the drawbacks of using a web based wallet and how to overcome that?

Can anyone tell me why many prefer to use application when compared to web based wallets. What are the drawbacks of using a web based wallet and how to overcome that?
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1answer
274 views

Howto scale thousands of bitcoin accounts properly with bitcoind deamon?

It is said in the bitcoin wiki that: The accounts code does not scale up to thousands of accounts with tens of thousands of transactions, because by-account (and by-account-by-time) indices are ...
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1answer
62 views

How do wallet-devs profit?

As far as I know there are several e-wallet services for Bitcoin that provide same standard integrated API service functionality for users. I am curious about where are they finding benefits in this? ...
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1answer
65 views

Profit by programming a Bitcoin service (wallet) in an “only-now” bc adopting country? [closed]

A country where I am from appears to take Bitcoin into an interest right now. I am a senior programmer at one company and have done several projects, but right now I am mostly interested in the ...
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2answers
793 views

Web Wallet Creation with PHP and bitcoind

How would one start creating a web wallet? What I have so far: Generate an address per user of the wallet using bitcoind How can I secure the private key? Tell user deposit address using bitcoind ...
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2answers
681 views

Bitcoin transfer through QR codes

Ok, so let's say I have a wallet with 1 BTC in it. Is it possible to transfer that balance to a QR code or some type of barcode? I want to know if it's possible to basically print out a piece of ...
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1answer
128 views

Does leaving your wallet unencrypted mean that all the private keys bundled in the wallet are susceptable to loss of confidentiality?

I noticed that multiple private keys can be imported into a wallet. If each private key originally had their own private password password to protect the elliptic curve private keys, does importing ...
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2answers
296 views

Difference between having bitcoin in my wallet or in a third party like an exchange or an e-wallet

Is there any difference or any problem or extra fees for having permanently (1 month, 6 months, etc..) my BTCs instead of having them in a local wallet like Bitcon-Qt or Multibit?
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1answer
119 views

Would you buy a Neptune

I really value your opinion. My question is in yuor personal opinion would you purchase and wait for a neptune from KNC or do you think I can get something better for my value. This will be my first ...
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3answers
131 views

How can some exchanges/services afford to pay for customers transaction fees?

Some exchanges and services (e.g. CoinBase, Bitstamp) pay for the transaction fees for their customers when the customers send bitcoins from their wallet/account. They might have tens of thousands of ...
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2answers
79 views

Construction of unowallet url

I just tried to use unowallet. It seem that the private key is somehow encoded into the url. Isn't it some known type of representation? Wouldn't it be possible to create an url for my private key? ...
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1answer
634 views

Storing an encrypted private key on a server

I am planning on building a small e-wallet website to learn the basics of encryption and handling accounts, transactions, and balances in Bitcoin. I want to learn how to make a website where the ...
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1answer
410 views

How to transfer bitcoin to wallet

Bought a bitcoin from btcquick and i can not figure out how to transfer coin from there to my blockchain wallet with private key. Please help iv'e spent 3 days trying to get this all set up and i have ...
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156 views

Are my coins lost?

I think that the answer to this question is yes, unfortunately. I had an online bitcoin wallet and I still know my bitcoin address, but I can't remember where it was hosted. Or perhaps it is shut ...
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2answers
1k views

Why does transaction activity show on the blockchain for my Bitcoin address at my hosted (shared) E-Wallet service?

I have an online wallet at localbitcoins.com (address 12pHFR5yv2KGqck5N8teb5MgoRtzAgLRn2). I made three transfers to it, for a total of 0.5 BTC + 0.5 BTC + 0.3031 BTC = 1.3031 BTC. Blockchain.info ...
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1answer
180 views

An online wallet service could “lose” my bitcoins?

At bitcoin.org, there's a prominent notice that an online wallet service could "lose your bitcoins." As I understand it, all bitcoin transactions, and therefore wallet balances, are stored in the ...
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2answers
839 views

Do some Bitcoin wallets fail to support sending to multi-signature addresses?

The Satoshi client has support for multi-signature transactions through the JSON-RPC API since version 0.6.1rc2. My understanding is that a multi-signature transaction creates an address which is ...
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1answer
340 views

added security/safety to multiple blockchain.info wallets

If I want to store a substantial number of Bitcoins, would there be any add security or safety to doing this in multiple blockchain.info hybrid ewallets, in stead of all in one?
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2answers
364 views

How does blockchain.info access my wallet in MyWallet

I made a wallet at blockchain.info and enabled two-step authentication using Google Authenticator. As I understand it, the operator of blockchain.info cannot access your wallet (unlike e.g. MtGox). ...
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1answer
83 views

What actions trigger the need to obtain a new backup with Blockchain.info/wallet?

Other clients, including Bitcoin-Qt, use a key pool so that a backup is still valid for a while. Blockchain.info/wallet doesn't use a key pool. After a backup of the wallet is obtained and archived, ...
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1answer
1k views

What are the pros and cons of different methods for transferring Bitcoins between different wallet services?

I am interested in transferring Bitcoins between several different wallets: my Mt.Gox account, my Bitcoin client wallet, and my Blockchain wallet. I am aware of two primary ways to transfer funds ...
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1answer
91 views

Do I have access to the private key for an Instawallet?

It is just numbers and letters? I have transferred my bitcoin address and want to use the key so I can move my coins from this wallet to another? As you may be aware there site is down but can I set ...
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6answers
30k views

Are there any online wallets available for Litecoin?

Are there any litecoin wallets available on the internet right now? I have a mac and the mac version software is very confusing.
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2answers
3k views

How Would This Procedure Be Performed? Transfer to Offline wallet

I've read alot of questions before I posted this... What I want to do is take my wallet from blockchain.info that contains a few bitcoins, and "store" it offline, however I have some specific ...
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2answers
2k views

What wallets are compatible with Satoshi Dice?

Satoshi Dice requires wallets to be able to receive coins from the same address they are sent. What are some notable examples that are compatible and incompatible with this? What are the technical ...
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258 views

Optimizing fee payment for speed or zero fees/privacy? (Clients vs. e-wallets)

As far as I understand the more fees you pay, the faster the delivery. What I don't understand is fees are given to kilobytes of data, not amount of money. Maybe here would come handy a little deeper ...
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1answer
156 views

How can you operate a fractional reserve e-wallet?

There are topics about the possibility of e-wallet providers operating like fractional reserve banking. How it can be done in theory and practice? Did it ever happen on any meaningful way in ...
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1answer
1k views

Help me understand Instawallet better to trust it more!

I have read the FAQ. I like the idea it's only a link, I don't need it to be more complicated than necessary. For me it doesn't matter to store a generated difficult password for an account or only a ...
14
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1answer
895 views

Running a store through Tor - what are the setup options available?

I am required to setup a store that will operate through Tor and accept Bitcoin payments only. I know I can run the standard client on the server and make it connect to peers only through Tor. ...
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2answers
1k views

Are transaction fees required now? Is there any way to avoid them?

I have been using blockchain.info's my wallet to perform transactions, one of the reason I liked it was because I could choose to not pay a transaction fee. But recently I noticed blockchain.info's ...
4
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2answers
585 views

Are there mixing services or online wallets that are explicitly compliant with anti-laundering laws?

I'm interested in mixing services (0% taint) that are compliant with the most conservative anti-money laundering laws. My goal is to have anonymity between peers in a transaction, but to remain ...
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1answer
1k views

Creating an eWallet - How can i go about this?

My experience in PHP is not the best, but its good enough to learn and expand. I wish to create a Bitcoin eWallet for my website where it automatically creates a Bitcoin wallet for users. This wallet ...
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1answer
603 views

Best way to safely host a high volume online transactional wallet?

I am looking at starting a business that will send and receive a large amount Bitcoins in a semi automated manner using API's. I was wondering what is the best way to do do this in a secure way to ...
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3answers
2k views

How are popular bitcoin wallets implemented? [closed]

How are popular online bitcoin wallets, like blockchaininfo's implemented? Why aren't they open-source?