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Author Topic: Bitcoin Wallet for Android  (Read 114971 times)
btchris
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November 23, 2014, 11:41:29 PM
 #521

I've decrypted the exported key backup files before.  The format was just a plain text format---pretty easy to modify if you wanted to do so.  I don't know if that's the protobuf thing you're talking about or not.

The decryption part isn't too hard because you can use the fairly standard openssl command-line tool, however starting with version 3.47 the decrypted format changed from a text file containing WIF-style privkeys to a Google Protocol Buffer format. There are some advantages to the new format, and there's plenty of documentation on Google protobuf, however until someone writes some software to handle the new format, it's not particularly easy to deal with.
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sed
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November 24, 2014, 06:20:31 PM
 #522

I've decrypted the exported key backup files before.  The format was just a plain text format---pretty easy to modify if you wanted to do so.  I don't know if that's the protobuf thing you're talking about or not.

The decryption part isn't too hard because you can use the fairly standard openssl command-line tool, however starting with version 3.47 the decrypted format changed from a text file containing WIF-style privkeys to a Google Protocol Buffer format. There are some advantages to the new format, and there's plenty of documentation on Google protobuf, however until someone writes some software to handle the new format, it's not particularly easy to deal with.

Aha, that's very interesting.  Indeed I used the openssl command line tool just as you said.  I didn't realize that there was a new format.  I guess I don't play around in those backup files very often Smiley
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December 01, 2014, 02:58:51 PM
 #523

I recently updated (ver 4.something, I think).  Now I note that android (4.4.4) thinks that all .apk files are to be handled by Bitcoin Wallet.  That is, if I download an apk, instead of getting processed by com.android.packageinstaller, it gets opened by Bitcoin Wallet which says "hey, you're about to update your wallet, provide the password".  For a moment, I thought that these were malware apks trying to steal my bitcoins, then I looked closer and realized that they were not malicious apps, only that my android system seems to (after the upgrade) pass all .apk files to bitcoin wallet for interpretation.  FWIW, I was able to install my apk files by simply opening Terminal Emulator and running 'pm install path/to/apk/file.apk', nevertheless, I'd like to fix this so that clicking apk files doesn't automatically open Bitcoin Wallet.  I note as well that I looked into the app settings and it currently shows "no defaults set" for Bitcoin Wallet.

Any advice is welcome.

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February 04, 2015, 01:25:09 AM
 #524

The fee needs to be changed to 0.0001

I'm sick of my transactions taking an hour to get confirmed.
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February 04, 2015, 01:55:44 AM
 #525

The fee needs to be changed to 0.0001

I'm sick of my transactions taking an hour to get confirmed.

I'm still waiting!
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February 04, 2015, 04:21:26 AM
 #526

The fee needs to be changed to 0.0001

I'm sick of my transactions taking an hour to get confirmed.

I'm still waiting!


There is it already.
When you are on the send page, click on three dots at the upper right, than "Quick confirm, higher fee [ ]"

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February 15, 2015, 10:13:12 PM
 #527

Please bring back a way to generate a deposit addy and share this addy.
Although you're technically correct in preceding a payment request with "bitcoin:", it's unpractical.

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February 17, 2015, 05:47:14 AM
 #528

Please bring back a way to generate a deposit addy and share this addy.
Although you're technically correct in preceding a payment request with "bitcoin:", it's unpractical.



I really need the option to create several addresses for several payers. Is it coming back?


PGP: KeyBase.io/EcuaMobi [Verify / Encrypt] • 0xb0acced7ac0b3e80I sign all the messages that include a payment address, either public or PM.
sed
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February 17, 2015, 06:07:49 PM
 #529

I wish they would bring this back.  There was this whole thing about resuse of addresses and fungibility of bitcoin and many of the main thinkers started to say that HD wallets were going to be the future and whatnot and I think this is why andreas removed some of the address sorting functionality.
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March 25, 2015, 03:40:20 PM
 #530

No one stops you from re-using addresses if you really want that. Just press "request coins" several times and hand these payment requests to different payers.

Bitcoin Wallet for Android: Your own Bitcoins, in your own pocket!
https://play.google.com/store/apps/details?id=de.schildbach.wallet
sed
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March 31, 2015, 01:53:08 AM
 #531

No one stops you from re-using addresses if you really want that. Just press "request coins" several times and hand these payment requests to different payers.

Yah, but it's sad that we can't label our own addresses and sort them easily by payments received.  I think this would be really helpful.  bitcoind has this "listreceivedbyaddress" if I recall correctly.
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March 31, 2015, 06:16:52 PM
 #532

Labeling own addresses will be in the next release. You can help testing: https://plus.google.com/+AndreasSchildbach/posts/YHpkmLP9D1A

Bitcoin Wallet for Android: Your own Bitcoins, in your own pocket!
https://play.google.com/store/apps/details?id=de.schildbach.wallet
tspacepilot
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March 31, 2015, 08:22:19 PM
 #533

Labeling own addresses will be in the next release. You can help testing: https://plus.google.com/+AndreasSchildbach/posts/YHpkmLP9D1A

Oh cool!  I'm currently back on an old telephone using some old software while I wait for my current phone to get repaired.  As soon as I get my current phone back, I'm going to try out the latest (and I'm also glad to hear that you brought back address labelling!)

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btcash
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May 29, 2015, 03:05:37 PM
 #534

Would be nice to prevent other people from accessing the app with a pin (not only spending).

The Americans take our data privacy concerns seriously. - Hans-Peter Friedrich (German Federal Minister of the Interior)
acquafredda
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June 14, 2015, 11:45:04 AM
 #535

Can you guys tell me why this app always creates new receiving addresses even if I never used any of them?

Seneca said: “There is no favorable wind for the sailor who doesn’t know where to go“.
btchris
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June 14, 2015, 11:57:52 AM
 #536

Can you guys tell me why this app always creates new receiving addresses even if I never used any of them?

How would it know you've never used an address?

In other words, an address should be considered "used" as soon as you give it to someone else. There's no way to know if that someone else will spend to that address right away, or at some point in the future.

Some wallets wait for a transaction to show up in the blockchain before an address is considered used, or else require that you mark it as used manually. That's OK, but it's not as safe IMO because it requires you to track your address usage manually.
acquafredda
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June 14, 2015, 02:15:29 PM
 #537

Can you guys tell me why this app always creates new receiving addresses even if I never used any of them?

How would it know you've never used an address?

In other words, an address should be considered "used" as soon as you give it to someone else. There's no way to know if that someone else will spend to that address right away, or at some point in the future.

Some wallets wait for a transaction to show up in the blockchain before an address is considered used, or else require that you mark it as used manually. That's OK, but it's not as safe IMO because it requires you to track your address usage manually.

I'll make myself clear:
I installed it to try it as pocket money...
Whenever I start it I find a new address even if I never used any of them...
That's strange isn't it?

Seneca said: “There is no favorable wind for the sailor who doesn’t know where to go“.
EcuaMobi
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June 14, 2015, 03:09:48 PM
 #538

Can you guys tell me why this app always creates new receiving addresses even if I never used any of them?

How would it know you've never used an address?

In other words, an address should be considered "used" as soon as you give it to someone else. There's no way to know if that someone else will spend to that address right away, or at some point in the future.

Some wallets wait for a transaction to show up in the blockchain before an address is considered used, or else require that you mark it as used manually. That's OK, but it's not as safe IMO because it requires you to track your address usage manually.

I'll make myself clear:
I installed it to try it as pocket money...
Whenever I start it I find a new address even if I never used any of them...
That's strange isn't it?

From my experience it creates a new address whenever you go to 'Request coins'. That's because by doing that you are saying you will receive coins from a new transaction and therefore a new address is needed.

Are you saying it creates a new address even without  requesting coins? That would be strange indeed.

PGP: KeyBase.io/EcuaMobi [Verify / Encrypt] • 0xb0acced7ac0b3e80I sign all the messages that include a payment address, either public or PM.
acquafredda
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June 14, 2015, 04:02:33 PM
 #539

Can you guys tell me why this app always creates new receiving addresses even if I never used any of them?

How would it know you've never used an address?

In other words, an address should be considered "used" as soon as you give it to someone else. There's no way to know if that someone else will spend to that address right away, or at some point in the future.

Some wallets wait for a transaction to show up in the blockchain before an address is considered used, or else require that you mark it as used manually. That's OK, but it's not as safe IMO because it requires you to track your address usage manually.

I'll make myself clear:
I installed it to try it as pocket money...
Whenever I start it I find a new address even if I never used any of them...
That's strange isn't it?

From my experience it creates a new address whenever you go to 'Request coins'. That's because by doing that you are saying you will receive coins from a new transaction and therefore a new address is needed.

Are you saying it creates a new address even without  requesting coins? That would be strange indeed.


Yes, that's it!
So whenever I go to request coins it creates a new receiving address.
Since I had to explore it to find my addresses I probably touched request coins several times before finding them and then I ended up adding several BTC addresses.

It sounds weird to me anyway.

Thanks man!

Seneca said: “There is no favorable wind for the sailor who doesn’t know where to go“.
tspacepilot
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June 14, 2015, 06:14:07 PM
 #540

Yes, that's it!
So whenever I go to request coins it creates a new receiving address.
Since I had to explore it to find my addresses I probably touched request coins several times before finding them and then I ended up adding several BTC addresses.

It sounds weird to me anyway.

Thanks man!

It also creates a new address for change each time you spend some BTC and require a change address.  But these days bitcoin wallet for android is using addresses created deterministically from a seed of tweleve ascii english words.  You can find those words in your wallet backup.  Anyway, I thought I'd just add this fact in case you didn't realize that all of those addresses you're creating can be "rediscovered" from the seed---so no worries about needing a new backup each time you make an address.

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