I wish to know if the transaction fee is taken from the amount I'm sending or from the amount remaining in the wallet.
For example, let's say I have 1.5 btc in the wallet.
If I input to send 1 btc, will 1 btc or 0.9999 btc be delivered?
It's taken from the remaining funds in your wallet. So when you enter 1 BTC, then 1 BTC will reach the recipient and your balance will be reduced by 1 BTC + transaction fees. And what if I input 1.5 btc (i.e. the total amount of the wallet)?
Thanks
The send screen will then inform you, that you do not have enough funds to complete the transaction (since the transactions fee cannot be paid). It will offer to send "everything" instead, which will set the amount to "all funds in the wallet - required transaction fee". |
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What is the source for the USD exchange rate on the wallet? The USD rate always seems to be a bit below the coindesk rate.
We are currently using the same source as Andreas Schildbach's wallet, which is a 24 hour average from https://bitcoinaverage.com/ . We are planning of switching to something more real time though, so I think that gap should go away then. Thanks again for a nice app!
Thanks, glad you like it! |
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I downloaded HIVE and started using it based on your simplified and logical permissions. I don't like how my balance is truncated by the icons to the right. It's a minor thing but I think in satoshi now and I'd like to see my entire balance even if displayed at BTC.
You are right, the balance display code needs to better handle larger numbers. It's on my list of things to improve. Good catch, that was indeed a mistake. I just fixed it, thanks! |
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Is it planned for this wallet to be deterministic/passphrase-based?
Yes, long-term that's where we will be moving towards. |
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Hive Android just got a new feature to easily find Hive users nearby! It uses a combination of Bluetooth and GPS-assisted search to find other Hive users and then allows to either add them to the contact list or initiate a payment to them.   This CoinBrief article has more details: http://coinbrief.net/hive-bitcoin-wallet-adds-bluetooth/ . |
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Got another question:
I've never really used any wallet besides the qt one, could you please explain or link me to an explanation of what kind of trust you need to put into 3rd party wallets?
There will be no blockchain on a mobile phone so what exactly is it that one trusts the wallet dev with? Privacy, security? (besides the obvious wallet.dat steal that's always possible)
Both Hive OS X and Hive Android are SPV clients (Simplified Payment Verification). That means, that they indeed do not download the full blockchain, but still download small parts of it, in an effort to verify as much as possible on there own, given the limited set of resources available on a mobile device. Some more technical background can be found here: https://en.bitcoin.it/wiki/Thin_Client_Security#Simplified_Payment_Verification_.28SPV.29 and https://bitcoinj.github.io/security-model . Overall, you aren't that much worse off compared to a full node. An SPV client needs to ask for fairly specific details from the Bitcoin nodes around it, so there is some reduction of privacy in that respect. |
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Review by Coinbrief: http://coinbrief.net/hive-bitcoin-wallet/ . Although the Hive Android wallet is still in beta phase, it already has a leg up on the competition with its innovative and possibly revolutionary app store. Add that on top of the streamlined interface, and Hive is already a major contender for the best wallet app on Android. [...] So, based on Hive’s simple interface and the huge potential of its built-in app store, I give this Android wallet a solid 5 out of 5 bits.
Thanks for the kind words! :-) |
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Congratulations on your launch! It looks really nice. I like how it looked up photos as I typed in names. Customising Andreas' app is definitely a good way to go.
Thanks! The build instructions have been updated, in case anyone wants to jump in and help out with development. :-) See https://github.com/hivewallet/hive-android/blob/master/README.md . |
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Things to try out: 1. Exchange Bitcoin addresses with a friend and add them as a contact. Click on the add contact button at the bottom of the screen and then either scan a QR code of your friend's Bitcoin address or import it from the clipboard. 2. Check out our app store (box icon in the upper right)! Give the Mobile Recharge app a try, if you have a prepaid phone that needs topping up and you are based in one of the supported countries. 3. Donate at http://bitgivefoundation.org/donate-now/ to see our support for payment protocol in action. Click the "Donate Now" button and scan the QR code or click the payment link, if you are visiting the website directly on your device. You should see Hive fetching the payment request and displaying additional details about the payee. If you do donate then, Hive will send a copy of the transaction directly to the payee, increasing both speed and reliability of your payment, compared to just broadcasting it on the Bitcoin network alone. Let us know how you like Hive Android - we value your feedback! |
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 We're pleased to announce, that Hive is now also available for Android in a beta version.Hive Android is a standalone Bitcoin wallet. No external server or cloud service needed - the keys to your bitcoins are stored on your device.    Features- Initiate transactions in various ways: * Scan a QR code * Click Bitcoin links * Touch-to-pay via NFC - Support for payment protocol (BIP70) for increased security, reliability and speed in making payments - Hive app store offers close integration with the rest of the Bitcoin ecosystem. Apps available for LocalBitcoins.com, Bitstamp, piiko and others. - Works offline: Stores transactions for later sending or transmits them via Bluetooth - Amounts displayed in BTC, mBTC or µBTC with exchange rate info alongside - Add contacts based on your address book (information from your address book is solely used for the autocomplete feature - no address book data ever leaves your device) - Notifications for incoming payments - Encrypted backups Technical details: Under the hood, this wallet is a fork of the "Bitcoin wallet for Android" by Andreas Schildbach. This means it's also a SPV wallet based on bitcoinj. The software is licensed as GPLv3 and the source code is available at https://github.com/hivewallet/hive-android/ . This software is beta! That said, the beta tag applies mainly to the look and feel of the app, which will be overhauled before the first official release to better fit the overall Hive brand. We are building on top of a very mature codebase, so while bugs can never be ruled out, we feel that security-wise this app is in very good shape and will protect your coins adequately. Frequently asked questionsQ: Is Hive Android open source? A: Yes! The GPL-licensed code is available on GitHub. Q: Is Hive Android available in languages other than English? A: Not yet, but we are working on localization support. Translators will be able to help us via Transifex once that is ready. Your help in translating Hive is much appreciated! Q: Is it really safe for novices to use, right now? A: We think so, and we are using it on a day-to-day basis with real Bitcoin ourselves. Q: How can I build an app for Hive? A: Please see this forum post. Q: Will you support Windows or Linux? A: Not unless an exceptional developer steps up. Please contact us if you have the skills and would like to be involved! Q: Will you support iOS? A: Native iOS support is probably off the table due to Apple's general despotism. Try hive-js for an alternative. Q: How do you make money? A: Our plan is to take very small fees for transactions that happen within non-charity apps in the App Platform. At present this is not implemented. Check it out on Google Play: https://play.google.com/store/apps/details?id=com.hivewallet.androidclient.wallet ! |
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The claim process is now active. An update should be available shortly through Google Play which will allow you to submit a Bitcoin address, where you would like to have your funds sent. More details in this blog post: https://www.bridgewalkerapp.com/blog/2014/03/14/bridgewalker-shutdown/ . To end things on a positive note, I will now be completely focusing on Hive Android, which should be arriving shortly - keep an eye out for it! And who knows, maybe at some point Bridgewalker will be rising from its ashes. ;-) Thanks again to all beta users and everyone who helped me out along the way! |
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It is with regret, that I have to announce, that I have decided to shut down Bridgewalker. With Mt.Gox ultimately imploding, I currently do not want to invest the effort to switch the backend to another exchange. I will write up a "post mortem" that will go into more details regarding my decision. All user funds will be refunded in full. I will announce a claim process for that in the coming days. Thanks to everyone who supported this project!
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May I ask the status of Bridgewalker now that MtGox has closed up shop?
I understand that it used MtGox to hold its reserves.
That's correct, unfortunately. I am traveling at the moment, but will give a more detailed update afterwards. Whatever happens though, all Bridgewalker users will be fully reimbursed. Sorry for the unavailability of the service at the moment. |
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Ok thank you. One last question. Are you the original coder of this? If so do you work with hive on their projects or is it that you just continue on your own project just with hive helping you out here and there?
Yep, I started Bridgewalker and have been the only developer on this project. Now I have joined Hive and will be working full-time with them, focusing at first on an Android version of Hive. So Bridgewalker will be a bit on the back burner for now, but there will hopefully be some opportunities to integrate it into the Hive ecosystem further down the line. |
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Kk and the APK is the latest stable? Where can I get beta? I like to stay ahead.  Good to hear! ;-) It's the latest released version, which currently contains all the latest code, there is nothing newer. There will probably not be any specific beta releases. You would have to build from source yourself, but I'm doing releases pretty quickly after new code is developed, so I do not think that's really necessary. |
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Thanks. Does it download part of the blockchain, or is it via a server?
It's via a server. |
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would the customer have to wait until the vendor received x confirmations?
Hard to say in general, but I think for small value transactions it would be fine to proceed without confirmations, although some additional double spend detection heuristic still needs to be added. Some comments from the blog post: The common wisdom so far has been, that for small in person payments the risk of accepting zero-confirmation transactions is minimal. I agree that this is probably true. Although it is only true, if the merchant receives the transaction via the Bitcoin network and therefore has some indication that it has been broadcasted widely.
In this setting the merchant receives the transaction directly from the customer, which makes it much easier for the customer to trick the merchant, by sending a conflicting transaction simultaneously to the rest of the Bitcoin network. So this is still one of the pieces missing from this solution, before it is ready for real world usage. The merchant should wait a few extra seconds (unfortunately adding extra delay) and then check with a number of highly connected Bitcoin nodes whether there are any known double spends (feature request for Blockchain.info: return the double spend info that you are collecting already via your JSON api. It would be great if the data returned for a transaction would have an extra field called "known_double_spends" or "known_conflicts" which would be simply "true" or "false" or maybe a list of conflicting transaction ids). This would, I believe, be a reasonably secure heuristic for small amounts.
[...]
As an aside: The demo above employs green addresses. Bridgewalker transactions can be recognized by their use of coins from 1MAxx46Dp3tFw933PxPwEYYGCpxYda2pyH which is why the backend displays "Verified by Bridgewalker" after receiving the transaction. So in this case the merchant knows where to complain, if anything murky should happen with the transaction afterwards.
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