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21  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: November 21, 2014, 02:27:48 PM
v2.1.0-BETA1 has been pushed to github and the beta channel.

changes:
preview of secret sharing import/cold storage
optimized output selector that omits dust from transactions and makes fees smaller on average
fallback geocoder
new nfc function to push payment request
show total amount of coins in accounts view
customizable fees
pin reset function - if you forgot it
fix crash if you don't have a flash on your device
removed obsolete mbwapi binary interface
22  Bitcoin / Mycelium / Re: Mycelium 2.0 HD - Welcome to the future on: October 09, 2014, 01:12:35 PM
i hope you were thinking about trezor ( host usb)  compatibility, coinshuffle or similar and BitID to become  the PERFECT wallet

thanks for the todo list. Bitid is functional, but we need to do some finetuning on the way we derive the actual keypairs from the seed.

coinshuffle is the most complex task out of this list, but the motivation to do it is big.

23  Bitcoin / Bitcoin Wallet for Android / Re: How to sign message using android bitcoin wallet address..... on: September 17, 2014, 02:49:34 PM
Signing a message isn't supported by your client yet. You'd need to export the private key for the Bitcoin address you need to sign a message from and import it into another client that supports signing, such as electrum or bitcoin core. I'm not sure if there are any Android clients that support signing yet.

I'm not too familiar with Bitcoin Wallet for Android so I'm not sure how you'd go about exporting it.

How would I sign a transaction?

Signing a transaction is essentially sending Bitcoins.

Just found you can sign a message with the Mycelium Android wallet. Just click on "keys" tab and select the address you want then click "sign message". It's quick and simple and has share link and copy to clipboard button.

there is also a schildbach->mycelium importer for your key, if you need to sign a message with a key that was part of the wallet.
24  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: September 09, 2014, 08:41:35 AM
I am desperate to get my hands on the HD mycelium wallet. It will help a lot with my local bitcoin trading. When they release for beta testing, is it considered safe to use?

our general policy for pushing experimental stuff to the public:

1) release to testnet - might completely break the stored data (such as this current HD release, we might decide to change the internal format)

2) release to beta testers -  you might expect some random app crashes. but we will make sure that there will be no re-install necessary.

3) if we have no known common crashes, and beta testers have been running the build for a while, release to public. trivial bugfixes can go out directly.


so, once we release it to beta testers you should be able to enjoy HD with trading, if you can tolerate some random crashes Smiley
25  Bitcoin / Mycelium / Re: What is the RNG method of Mycelium? on: September 02, 2014, 02:09:43 PM
more specifically, we use the code

https://github.com/mycelium-com/wallet/blob/master/public/mbw/src/main/java/com/mycelium/wallet/AndroidRandomSource.java

this is the random source used for all crypto operations (generating privkeys, generating R values in Transactions)

https://github.com/mycelium-com/wallet/blob/master/public/bitlib/src/main/java/com/mrd/bitlib/crypto/PrivateKey.java#L43
26  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: August 27, 2014, 12:05:16 PM
We had a problem with our dns, and the provider temporarily terminated all mycelium.com hostnames. Mycelium users had no connectivity. We published an update v1.2.20 for non-beta users and v1.3.0 for beta users that added dns-less hosts as fallback, which should restore normal connectivity.

This change was also pushed to github.

The normal domain-based access should also resume in a few hours once we resolve the problem with the provider.
27  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: August 11, 2014, 01:54:58 PM
if you have focus problems, try out the new beta channel release, there are new UI elements for controlling focus behavior.
28  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: July 22, 2014, 01:20:14 PM
is there a plan to develop an iphone version?
thx Smiley

Nope. Not in our plans yet. Two operating systems and development environments are quite different, so doing a port would take up a considerable amount of work and time, which we can't spare right now. We wouldn't mind some developer picking up the project and doing it themselves, since Mycelium code is available on github, but so far no one offered.

I'm not sure if Mycelium is using BCCAPI like Bitcoin Spinner was but if it is, I'd like to renew my call for it to use a portable data format (like JSON or XML) rather than the serialized Java objects that it did when I last looked into it. That would open the API to much wider adoption (if that would be a desirable outcome to you guys). Throwing an iphone wallet on top of that would be easier than from-scratch.

Not that I'm going to write it. I'm Android all the way Smiley

you are correct, in fact, that's what we are coding right now for the HD wallet api.
29  Bitcoin / Bitcoin Wallet for Android / Re: Support for BitID ("Connect with Bitcoin") on: July 11, 2014, 10:55:15 AM
I was surprised to find BitID was not yet supported by the standard Android wallet (the one discussed in this forum) as I started doing some server-side login development today.

Are there plans to include it? This is two-factor authentication simpler than a login/password combination, and displaying a QR code as a login challenge on the login screen would be great security-wise AND usability-wise.

Cheers,
Rick


Hi Rick.
IF you want to toy around with Bitid, you can get the mycelium testnet wallet https://play.google.com/store/apps/details?id=com.mycelium.testnetwallet where we have experimental support for bitid. to trigger it, you have to scan the barcode with an external barcode scanner. after we roll out HD wallets and the integrated unified scan button it will be released to the main client.
30  Local / Projektentwicklung / Re: Bitcoins in Österreich kaufen. So gehts! on: May 26, 2014, 03:51:44 PM
das service klingt interessant. bist du auf der CEBE? würde gern mit dir sprechen. du findest mich mit dem Mycelium - Tshirt.
31  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: May 26, 2014, 12:34:20 PM
First of all, a massive thanks for a great app! Great appS!

I saw this:
https://github.com/Yubico/yubico-bitcoin-java

Yubico-bitcoin-java-android allows using a Yubikey as a Bitcoin wallet via NFC and a Yubikey Neo. I guess this would be better off as a separate project in which case this is offtopic... but there is currently no interface for it.

Possibly offtopic if you feel this is not a good idea to have this in the advanced section of Mycelium... but this really seemed like the best place to mention it.

interesting project. do you have any technical background info on how that "applet" works? do you somehow upload a BIP32 implementation to the yubikey? i don't understand it fully yet.
32  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: May 13, 2014, 08:15:21 AM
After LocalTrader, our next big project will be HD wallets, so all of these issues will be taken care of automatically, with new change addresses generated every time.

Please consider leaving an option for the user to select his own change address. I like to generate my own private keys offline and track them on multiple apps.

HD Wallets are fine but I'm hoping not to be locked-in to using HD generated addresses exclusively.
we are not 100% sure how HD will be implemented, but the general idea is that it should become easier, for the user, as much as possible. is there a good reason for manually specifying a change address?
33  Bitcoin / Bitcoin Discussion / Re: Best Bitcoin Video since 2008 on: May 12, 2014, 09:43:01 PM
i love it when people are critical. but there are some misconceptions on many layers here.
first, youtube does not use VLC. it uses flash or html5. also, VLC should not be written in a way so it can be exploited by the data stream.

This video did something to my instance of VLC. If displayed the first frame and did nothing. I could not quit the application or load other videos. I had to force-kill it.

This suggests it may be a wallet stealer exploiting VLC video parsing bugs. Not sure how/if YouTube trans-coding was avoided.


how? its just a youtube video  Huh
34  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: May 05, 2014, 09:13:49 PM
i am not opposed to use a uBtc based unit. i am not opposed to create a new alias for uBtc = microbitcoins = microbits = µBtc if people really want it.

i am opposed to "officially" chose "bit" as the name for it, since it creates tons of confusion.
35  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 25, 2014, 09:50:14 PM
what jan posted is basically just a convoluted replacement for median(SESSION.lastChange - SESSION.creationTime) , since it is not a built-in function in postgres
makes me think, i have to double-check if lastChance stops updating after the trade is finshed and chatting continues
36  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 23, 2014, 09:01:16 AM
The APK in the play store and on the web-site is the same, and signed under the same certificate.

How long before the version available from the Mycelium website gets updated to the same version on Google Play?
Currently v1.2.0 on the website, v1.2.1 on Google Play:
 - http://mycelium.com
 - https://play.google.com/store/apps/details?id=com.mycelium.wallet

thanks for the reminder, fixed, published the apk on mycelium.com
37  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 18, 2014, 11:48:06 AM
As you type a list of available choices should appear between the text box and the keyboard. You finish the dialog by selecting one or clicking the back button.
Like this: http://imgur.com/oIB4a9T


Yup I've seen it when I tried again, but at first this list did not appear - and now it is missing again, could it be a problem with the server?
The app does not give any indication that it's doing something, waiting for the server, musing about an error that happened, or anything else...

Onkel Paul
that sounds like a combination of a ui/backend bug. its a bit complicated to tell what is happening. could you take a video of your phone showing it?
38  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 17, 2014, 08:40:56 AM
I want to use mycelium on two devices.  
How can I sync them?

create a backup on one phone, enable expert mode on the other phone and restore the backup.

(the key that was already generated there before is most likely not needed any more so you can delete it or move to archive)
Not having much luck syncing mycelium on the extra tablet.
Can't scan the qr code from the pdf (this tablet has no back camera), and I can't copy and paste the text key.  I had the pdf up on the tablet's screen and tried to copy the key by long press, but it wouldn't highlight, so I went and opened up the pdf on my laptop, copied the key and sent the key to myself in an email.  That worked.  In email, I was able to highlight and copy the plain text key.  So it's on the clipboard, but when I go to mycelium keys > add key, the clipboard button is still greyed out.  The mycelium app doesn't see the clipboard.  I was using gmail on a Nexus 7, if that helps any.  And the text definitely made it onto the clipboard, because I was able to paste it in other places, just not the mycelium app.
Do you have any suggestions?

there is also a known bug when you put something from Gmail to clipboard (but only on certain devices, Samsung S4 and apparently also Nexus 7) on my nexus 5 it works fine.
 there is most likely a workaround for this. but i haven't debugged it yet.
39  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 16, 2014, 02:43:08 PM
I want to use mycelium on two devices. 
How can I sync them?

create a backup on one phone, enable expert mode on the other phone and restore the backup.

(the key that was already generated there before is most likely not needed any more so you can delete it or move to archive)
40  Bitcoin / Mycelium / Re: Mycelium Bitcoin Wallet on: April 15, 2014, 01:00:55 PM
Is there an ETA for the buying/selling platform?
Yes. basically, it is launched already if you join the beta testers group or if you compile it from source yourself. there you will be able to create offers and trade already.

it will be pushed via the official channel very soon. we are just coordinating on the media releases.
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