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261  Alternate cryptocurrencies / Altcoin Discussion / Re: Doge offline wallet on: February 11, 2014, 08:04:56 PM
There may be demand for these light wallets and therefore we may want to figure out out to do these.
262  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] INFINITECOIN 1.8.6 MANDATORY UPDATE! OLD CLIENT STOPS GMT 0:0 Fri, 14 Feb on: February 10, 2014, 04:32:18 AM
The sync has become much faster now
Very impressed with that myself!

Which client is syncing faster?  the android?  the desktop? both?
263  Alternate cryptocurrencies / Altcoin Discussion / Re: mandatory wallet updates on: February 10, 2014, 04:24:36 AM
Your coins will not become worthless or invalid.  You will not be able to send or receive coins until you update your client.  If the devs of the coin are smart, then they will be using the alert system to notify the users of updates.  That way we don't have to be lucky enough to read the forums at the correct time to see the update announcement at the top of the list.
264  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] INFINITECOIN 1.8.6 MANDATORY UPDATE! OLD CLIENT STOPS GMT 0:0 Fri, 14 Feb on: February 09, 2014, 10:55:38 PM
The IFC android app (beta) will be updated before it is posted to Google Play.

The most relevant change will be the new transaction fee.
265  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [MΣC] Megacoin.in - Forum, Github, Website Now in 18 Languages on: February 09, 2014, 04:14:17 PM
The Beta Version of the Android Wallet is available in two places:
https://github.com/HashEngineering/megacoin-wallet/releases/tag/v0.1.2-beta
https://play.google.com/store/apps/details?id=de.schildbach.wallet.megacoin

To leave feedback:  
1.  PM me on bitcointalk
2.  email hashengineeringsolutions@gmail.com
3.  visit https://forum.megacoin.in/index.php?topic=2398.msg8479#msg8479

So far we have had good feedback from the Megacoin forum.  Many issues have been addressed.
266  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] INFINITECOIN – 1.8.5 UPDATE CLIENT! NEW DEV, NEW THREAD! on: February 08, 2014, 08:00:52 AM
The http://infinitecointalk.org site has been down a lot lately, at least when I try to access it.

I plan to publish a beta of the IFC Android Wallet on Google Play soon.
267  Alternate cryptocurrencies / Announcements (Altcoins) / Re: ★★ DigiByte ★★ [DGB] - A Professional Cryptocurrency ✈ Android Wallet ✔ on: February 08, 2014, 05:36:26 AM
How do you create addresses without a wallet. It there an online tool like for bitcoin that works for digibyte?  Or does digibyte use the same hash methods as bitcoin or litecoin?
DigiByte uses the Scrypt algorithm instead of SHA-256.

I believe Scrypt is used for Proof of Work but I'm pretty sure the addresses are still created using sha-256.  They do also start with a 'd'.  

Something like https://github.com/litecoin-project/liteaddress.org shouldnt be that hard to modify. Something in javascript is likely the ideal solution because a hosted service would let the hoster see the private key. In javascript its all done locally.


Very interesting. The DigiByte addresses start with a "D" represented by a Base58 check encoding. https://en.bitcoin.it/wiki/Base58Check_encoding

Yes, sorry, your absolutely correct. I was was not case sensitive there, which matters.

In the source its defined at https://github.com/digibyte/DigiByteProject/blob/master/src/base58.h#L281

To know what you need to change to liteaddress.org to adapt it to your coin, simply use a diff tool to compare bitaddress.org to liteaddress.org code.  The differences besides the strings for to "Bitcoin" or "Litecoin" will be the parts that need to be changed.  Those parts relate the public and private addresses.
268  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: [Dev Needed] - Android/iOS Mincoin Wallet (funding available) on: February 07, 2014, 02:53:58 PM
The difficulty forks in MinCoin should be relatively easy to code in java for the Android app.  Mincoin has only 1 fork, which is a slightly modified linear Litecoin-like difficulty adjustment.  There are android apps for coins with even more complicated difficulty algorithms which have been done by myself or other developers.

Digitalcoin has 3 forks.  Goldcoin has 4.  Infinitecoin has 3 or 4.  Megacoin has 2.  Franko has 1.

https://bitcointalk.org/index.php?topic=336215.0

My group could do this job for around 2000 MNC. 
269  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: HashEngineering - Android Wallet Creation Service on: February 07, 2014, 08:11:02 AM
A forum has been set up for android developers at:  http://www.hashengineeringsolutions.com/forum

Another developer has joined the Hash Engineering Team, which may help with getting more android wallets done.

We have just cracked the Quark hashing function in Java, making us the best Android Wallet Development Service in the world.
270  Alternate cryptocurrencies / Altcoin Discussion / Re: Need help: Making an alt-coin wallet in Android framework on: January 30, 2014, 05:26:37 AM
Someone has made a Dogecoin Android Wallet.
271  Alternate cryptocurrencies / Altcoin Discussion / Re: FedoraCoin Android Wallet Development [NEW UPDATE] on: January 30, 2014, 05:25:33 AM
I checked out your github account and you have already fixed the problem.  For me, the difficulty transition checking code is the hardest to design, debug and fix.

One thing that I discovered in my work with these wallets is that it is not necessary to rename all the "bitcoin" to "dogecoin" or the other coin name.  Only the Android package name needs to be different.  All that renaming may make it more difficult to merge changes from upstream.  In the least, it saves much time doing find/replacing.

Good luck!  there are many coins out there to make wallets for and much coin to be made doing it.
272  Alternate cryptocurrencies / Mining (Altcoins) / Re: Need Help on quark-cpuminer for android on: January 30, 2014, 05:08:47 AM
Wow! This is an ambitious project.
273  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: [Dev Needed] - Android/iOS Mincoin Wallet (funding available) on: January 30, 2014, 05:05:46 AM
There are several developers out there that can port the bitcoin-wallet for Android to most of the scrypt coins, including myself.  I am tied up at the moment and would not be able to deliver in 5 days.  Good Luck!  If anyone knows how make an iPhone app or a Windows RT app (Windows Phone), I would be very interested in the source code.
274  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] INFINITECOIN – 1.8.5 UPDATE CLIENT! NEW DEV, NEW THREAD! on: January 30, 2014, 04:30:54 AM
The beta of the Infinitecoin Android app is currently here:

https://github.com/HashEngineering/infinitecoin-wallet/releases/tag/v0.1.5-beta

This is based on the latest bitcoin-wallet 3.30 code.  The infinitecointalk.org forum posts are here:  http://infinitecointalk.org/index.php/topic,817.0.html (at the time of this post, the site is in Maintenance mode).
275  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: HashEngineering - Android Wallet Creation Service on: January 30, 2014, 04:28:06 AM
Infinitecoin is nearly complete.
276  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: HashEngineering - Android Wallet Creation Service on: January 24, 2014, 04:08:49 PM
the dgc android wallet has been tested and is working well with old wallets. it'll get added to gplay in the following few nights

This is great news.  I will help promote the digitalcoin wallet.  I have an account with digiclick.co with some DGC credits.
277  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: HashEngineering - Android Wallet Creation Service on: January 23, 2014, 06:45:02 PM
We are working on using the checkpoint feature from bitcoinj.  

This feature will eliminate the need to download the entire blockchain.  The blockchain stored by the app need only be 1 week older than the oldest set of keys.

The checkpointing feature works better with linear difficulty adjustment code (from Bitcoin and Litecoin).  The Kimoto Gravity well requires extra coding.
278  Alternate cryptocurrencies / Announcements (Altcoins) / Re: ★★ DigiByte ★★ [DGB] - A Professional Cryptocurrency ✈ On Coin Market ✔ on: January 22, 2014, 06:41:57 AM
Alright everyone, we have decided to release the Android Wallet early outside of Google Play! Please report any bugs or issues you may encounter! Thank you to xploited! Please enjoy!

As far as Android Wallets go, this is a good start.  The developer was notified about the various broken links that are present in the About section.
279  Alternate cryptocurrencies / Announcements (Altcoins) / Re: [ANN] [QRK] Quark | Super secure hashing | CPU mining on: January 22, 2014, 04:40:33 AM
I was asked about developing a Quark Android Wallet (I have my own service here:  https://bitcointalk.org/index.php?topic=336215).

There was another post here about another coder working on a wallet, though I don't know what kind.  I can port the bitcoin-wallet to scrypt coins at this point.

Quark brings its own challenges because it has six hashing functions:
1. blake - https://code.google.com/p/blake-512-java-implementation/
2. bmw
3. groestl
4. jh
5. keccak (SHA-3) - https://github.com/kocakosm/pitaya/blob/master/src/org/pitaya/security/Keccak.java
6. skein -www.h2database.com/skein/index.html

Some java implementations have been found, though it would be better to have native code for android devices.

This may be of use to anyone who wants to work on this app.  At this point, since I don't have the java code for half the hash functions, further work by me is not possible.
280  Alternate cryptocurrencies / Marketplace (Altcoins) / Re: HashEngineering - Android Wallet Creation Service on: January 22, 2014, 04:31:57 AM
Further information on Quark:  Three of the 6 hash functions have been found in java.  Can anyone find bmw, groestl or jh?

This would also apply to SecureCoin.
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