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61  Local / Deutsch (German) / Re: Liste ehrlicher Händler on: March 09, 2013, 11:16:46 AM
+2 Theradur
150€ Transaktion hat bestens funktioniert.
62  Bitcoin / Project Development / Re: Virtualminer 3.0 - The Virtual mining game on: March 08, 2013, 05:59:47 PM
I tend to be friendly and i tend to have an open discussion to most things and especially i tend to reason when i have sort of a dispute to people... but this time i have to put it bluntly like this:

If you register on a website where it says "By registering I accept the terms and conditions" you should a) have read them b) have understood them and c) accept them.
In case one of those does not fit please dont register. A lot of people can confirm that i try to run this as transparent and friendly as possible.. but still people try to get back at me.
Today morning i woke up to a scam accusation from someone claiming 2BTC which were clearly never send to me. The dispute was settled pretty quickly.
An hour ago i received a message that someone wants a full refund on his account for loosing patience with the game etc (why not telling me that while the game was in hiatus?)..
But as i take every PM serious, i thought about ignoring this one though, but i will answer it when i am done here, i checked the whole account...

So, as to make clear how i deal with this i am ready to drag this into the public, just to show you that i dont want to obfuscate, but how silly things can end up:

So i was given the Username and the following statement:

Quote
I know you just re-opened it but I've lost patience and it is unfair to your dedicated users. I poured tons of money in, and have been regretting it deeply since.
Thank you for the refund.

My account username: ****
My bitcoin address: ****
My account email: ****

I tried to be faithful to your service for as long as possible but I've simply given up unfortunately. For the record I attempted "dismantling" a rig and it threw an error message, before the rig was gone. No funds were added back to the account.

At least i was given a username, thats always a good way to start tracking down. With the username in hand i first checked the balance of that user: Showed up with coins on multiple chains (but no BTC on the account), so the user was at least using the service in the past.
Next up was checking the Rigs: Ok, the user had several assembled rigs, a few vASICs and one dismantled rig (Dismantled means that all parts are stripped from the GPU and can be assembled with to new rigs). So maybe there was a misunderstanding there. Dismantling it doesnt mean that they are refunded(!).
Next up checking the users activity.
My ideas was to look up wether the user was active shortly before the hiatus or not in which case i might have understood the impatience... so my primary log, ranging back for 3 months (containing mostly debug messages and no
user activity whatsoever) didnt show any activity. First backup tier, going back to 7/1/12 didnt show no activity either, second backup tier came up with results!
So the last action that was recorded was in June. roughly half a year before the game went offline. So what did the logs show up? Some deposits, some parts being bought and a pool getting created.
So just for the record we are talking of 1.25 BTC here, which were spent in june 2012 where the average price of bitcoin was close to $5. Bringing that into perspective of todays price we end up with roughly 0.14BTC at todays prices.


What is the conclusion i draw here?
Given the fact that the user has accepted the terms and conditions which clearly state that i cannot be held responsible for the outcome of the game: you wouldnt ask Satoshidice for a refund if you loose, would you?
Furthermore: The user was able to use the game for more than half a year, and seemingly he did (he has rigs, he has coins so the rigs worked etc) and last but not least the sum we are talking about. Its not like we are talking about someone who put hundreds of USD into that game which vanished into nothingness.

For those reasons i refuse to pay the refund. And i would like to ask other people not to start asking me for refunds now that Bitcoin has such a high value... I generally dont do refunds except for when they are justified. Normally i try to check everything twice in order to come to the right conclusion and this should be an example of how i do this.
63  Other / Beginners & Help / Re: Virtual Miner Scam!! on: March 08, 2013, 01:08:52 PM
I have checked those two TXs he provided and see multiple reasons as of why they didnt were sent to me:
- My tracker in the database shows no transaction to the account (i have two users closely matching that name - and i was not yet given an username).
  Every Address is only used once for the tracker so i checked the addresses using blockchain.info and
- Both TXs that were given to me dont show outputs to my coldwallet - which pretty much every transaction does due to my cold-wallet policy.
- Rescanning the wallet three times now showed no transactions after the 5th of december. (typo in the PM here, sorry) One of the two transactions was done on 12/21/12 the other one on 11/01/12. I see no transactions for both days on my wallet - or close to that. There were no transactions between 8/9/12 and 21/11/12,


So.. i dont want to say you are a liar, maybe you just mixed up transaction IDs, but there was definetly nothing received on my side.


*edit* for transparency:
TXs that i was given:
8590c588a256b1affe710e2f17929fb8707b8831803c8213acf3c6363c70b6f3
and
9843d912806219fc1b8f152d5a9d97192f1cff75ff17a57e5f26af1ea887475d
64  Other / Beginners & Help / Re: Virtual Miner Scam!! on: March 08, 2013, 11:18:20 AM
Could you please look up the TXs?

I might mention that Virtualminer is a game that is running now for the better part of two years but had a hibernation since november due to real life problems. I guarantee, and so can a lot of users, that this game is no scam. So i would like you to ask to remove this post until we cant come to a conclusion. But starting such a thread BEFORE contacting me makes me think that you want to blackmail me. That is not a nice move.
65  Bitcoin / Project Development / Re: Virtualminer 3.0 - The Virtual mining game on: March 08, 2013, 08:24:47 AM
Quote
It has been a long time and i am sorry for letting this whole project just slip for months but the real life was, and is, very demanding.
Nevertheless Virtualminer was now reopened and modified to work again flawlessly.
The Version 3 upgrade was very demanding on memory and cpu and therefore i had to change things on both sides, my code and the backend. So i have changed the block finding algorithm to only run every 15 seconds instead of every 5 seconds. Furthermore the exchange runs now on a different "engine" and basically everything is set to go. During the day i will modify the block finding algorithm a bit further to give pools a higher advantage over solo miners (currently pools have the same chance to find blocks, but a higher probability at the block generation..).

Last but not least i have adjusted virtualminer to the dramatic price increase of Bitcoins. The avergae price on Bitcoins is polled every minute on mtGox and used to calculate the prices of the hardware. This means that a virtual GPU is now no longer more expensive than a real GPU Wink

Have fun and welcome again!
66  Bitcoin / Project Development / Re: Virtualminer 3.0 - The Virtual mining game on: March 07, 2013, 11:30:10 PM
The game was restarted.
A lot of effort was put into the core features of the system, especially focused on performance and usability.
Prices are tied to to the current Gox average. So the higher the Btc price the lower the parts prices and vice versa.
After the software runs smoothly for 24 hours (12hrs have already passed) i will send out a newsletter seperatly.
67  Local / Deutsch (German) / Re: SendBitcoins.net öffnet die Tore! on: March 05, 2013, 09:36:41 AM
So.. im kommenden Update werden drei Neuerungen eingebaut werden:


- Direct Deposit
Man braucht sich nicht anmelden um das System als Käufer zu nutzen. Neben dem Loginfeld wird einem auch eine Bitcoinaddresse präsentiert auf die man Bitcoins transferieren kann. Wenn diese transaction dann 4x bestätigt wurde, wird der Bezahlvorgang ausgelösst.

- Subscriptions
Hierbei kann ein Verkäufer oder Dienstleister Abos anbieten, die so lange laufen, bis sie gecancelt werden oder aber dem Käufer ganz einfach das Geld ausgeht

- Verifications
Mittels Telefonnummer, Skype und Anschrift wird der User verifiziert. Auf diese Weise soll ein weiterer Layer mit Vertrauen geschaffen werden. Man kann alles, nur einzelne Punkte oder auch gar nichts davon nutzen.
68  Bitcoin / Project Development / Re: Prestashop 1.5.3.1 compatible payment plugin. on: March 04, 2013, 09:40:56 PM
Well, if you give me a bit time i can create a prestashop plugin to work with SendBitcoins.net
Seems like Im going nowhere untill there is one. But I have to be forward and voice my concerns about using an unknown service provider to me, I will take some convincing to climb aboard Smiley

Well, what would be a better way to gain reputation than to offer the service i started a few days ago to as many people as possible? and build up sort of a reliability (does that work exist?) Wink

Its just an offer.
69  Bitcoin / Project Development / Re: Prestashop 1.5.3.1 compatible payment plugin. on: March 04, 2013, 08:26:51 PM
Well, if you give me a bit time i can create a prestashop plugin to work with SendBitcoins.net
70  Local / Biete / Re: Ztex 1.15x on: March 04, 2013, 05:34:12 PM
-Verkauft-
71  Bitcoin / Project Development / Re: Accepting Bitcoin in Wordpress? on: March 04, 2013, 08:47:36 AM
To make some advertisement here: You could use SendBitcoins.net and any previously done Paypal Wordpress plugin.
72  Bitcoin / Bitcoin Discussion / Re: Sendbitcoins.net opening its doors! on: March 03, 2013, 11:52:23 PM
Is it really a good idea to allow reversals though? It could increase your own costs and the point of having reputation in feedback is so that people can make educated decisions.

As of no i wont allow reversals in 99% of the cases but i am planning to build up a budget from the fees and offer that service maybe later. If someone was scammed and can proof and the scammer still has funds on his account a reversal is possible, but unlikely.. at least in the near future. I really want to take too many big risks right at the start, things will come later on i am sure, but not as of now.
But for security i am planning to introduce two more layers for "trust":

- Escrow
Dont have to say much about this, do I?

- User verification
I will start offering this service sometime next week. It is basically, although i know its a bad thing to compare to, the same mechanism as in GLBSE. I am planning to offer verification of users by accepting some credentials form them, like telephone number or snail mail address, Skype (..whatever, the exact things i have not yet decided on) and mark them as trusted users in addition to the ranking system. Chances are just better the more verified users are that they are more trusted. And before people ask: No i will neither store nor sell nor do anything beyond verifying the existence of users  with private data. BUt I think i will just go so far as to verify phone, skype, snail mail and maybe some picture ID.. we will see about that. Still have to decide about that like i said.

One small feature to add to sendbitcoins is "Subscriptions" for recurring payments that get payed, like the paypal api offers, every so and so days interval until either stopped or the user having no mor emoney on his account.
Another thing i am thinking about is an accountless payment. Instead of logging in you get an address and pay it. IPN notification is withheld until the payment has confirmed 4 times and then gets verified.. still have to see if that somehow breaks APIs i test with.

If chargebacks are possible, you are providing escrow.

As long as the Coins are in Escrow, yes.. but i am not planning to offer a whatnot hundred days of possible chargebacks like Paypal does in near future. that is what i meant.
73  Bitcoin / Project Development / Re: SendBitcoins.net - Developer Thread on: March 03, 2013, 11:44:45 PM
-reserved-
74  Bitcoin / Project Development / Re: SendBitcoins.net - Developer Thread on: March 03, 2013, 11:44:37 PM
Variables:


  • business
    This is the E-Mail address of the receiver or shop.
  • cmd
    This parameter serves the purpose to set up the right handling of the transaction. Possible Values are:
    _xclick
    This is the most basic command useful for donation buttons and very simple carts.
    _cart
    This has been added for legacy compatibility with various scripts. Please note that this is not at all needed for a shopping cart.
    _xclick-subscriptions
    Currently not active. This value adds a subscrition which will run till a set date or until the user cannot pay anymore in which case a cancel notice will be dispatched automatically.
  • item_name[_#]
    This is the name of an item that is purchase.
  • item_number[_#]
    This is the item number or SKU of an item that is purchased.
  • amount[_#]
    This is the price of the item defined in item_name[_#]. Its the single unit price.
  • quantity[_#]
    It is the quantitiy of item_name[_#] that was bought and therefor a multiplicator for amount[_#]. The total sum will be automatically calculated.
  • currency_code
    As of now only BTC will work. For future versions an automatted currency conversion will be available. But as of now only BTC is supported.
  • notify_url
    This is the address pf your IPN file.
  • return
    (optional) The link back to your website.
75  Bitcoin / Project Development / SendBitcoins.net - Developer Thread on: March 03, 2013, 11:44:19 PM
Hi,
A few days ago I started my SendBitcoins.net service (https://bitcointalk.org/index.php?topic=147742.0) which basically offers a replacement for paypal services for easier integration of Bitcoin in web projects.
What means replacement in this context? So most shopping cart solutions, CMS donation or subscription systems or simple donation buttons use the so called Paypal IPN system. This System sends a few commands via POST to Paypal which then calls a file on the webserver which then handles the donation notification, or tells the shop that a purchase was made.
Long story short SendBitcoins.net is offering the same API to be used with Bitcoins (so far only for prepaid accounts, but this will change in a short while).

So, every Paypal IPN script uses this address to send data to.
https://www.paypal.com/cgi-bin/webscr

To use Sendbitcoins.net all you have to change is this address to
http://www.sendbitcoins.net/backend.php

And your script should be done and ready to run.

There are of course, a few things to be noted. As of now SendBitcoins.Net only accepts the "currency_code" variable to be set to "BTC" and the "business" address must have an account on the website.

With these things in mind you can convert pretty much every Paypal compatible script to work (also) with SendBitcoins.

So what is this thread now about?
Basically i want to offer a platform for developers to share ideas how to extend the service by new methods or variables and i want to give informations on the currently operating functions here.
76  Bitcoin / Bitcoin Discussion / Re: Sendbitcoins.net opening its doors! on: March 03, 2013, 11:29:27 PM
Is it really a good idea to allow reversals though? It could increase your own costs and the point of having reputation in feedback is so that people can make educated decisions.

As of no i wont allow reversals in 99% of the cases but i am planning to build up a budget from the fees and offer that service maybe later. If someone was scammed and can proof and the scammer still has funds on his account a reversal is possible, but unlikely.. at least in the near future. I really want to take too many big risks right at the start, things will come later on i am sure, but not as of now.
But for security i am planning to introduce two more layers for "trust":

- Escrow
Dont have to say much about this, do I?

- User verification
I will start offering this service sometime next week. It is basically, although i know its a bad thing to compare to, the same mechanism as in GLBSE. I am planning to offer verification of users by accepting some credentials form them, like telephone number or snail mail address, Skype (..whatever, the exact things i have not yet decided on) and mark them as trusted users in addition to the ranking system. Chances are just better the more verified users are that they are more trusted. And before people ask: No i will neither store nor sell nor do anything beyond verifying the existence of users  with private data. BUt I think i will just go so far as to verify phone, skype, snail mail and maybe some picture ID.. we will see about that. Still have to decide about that like i said.

One small feature to add to sendbitcoins is "Subscriptions" for recurring payments that get payed, like the paypal api offers, every so and so days interval until either stopped or the user having no mor emoney on his account.
Another thing i am thinking about is an accountless payment. Instead of logging in you get an address and pay it. IPN notification is withheld until the payment has confirmed 4 times and then gets verified.. still have to see if that somehow breaks APIs i test with.
77  Local / Biete / Re: Ztex 1.15x on: March 03, 2013, 11:00:21 PM
So.. im MOment steht der Preis bei 6BTC
78  Local / Deutsch (German) / Re: SendBitcoins.net öffnet die Tore! on: March 03, 2013, 05:04:58 PM
Wenn ich Paypal nutze, dann meist als Zahlungsmittel (du schlägst ja auch vor, bestehende Paypalplugins zu nutzen) --> ich sende Geld an eine Paypaladresse.

Bei Coinpal SendBitcoins muss ich nun trotzdem auch als Zahlender einen Account anlegen und BTC darauf überweisen (da es im Gegensatz zu Paypal bei Bitcoins ja keinen Bankeinzug oder Kreditkarte gibt, die von mir abbuchen können). Ein möglicher Nachteil wäre aber sicher, dass du deinen Zahlungsempfängern erst mitteilen kannst, dass die Zahlung angekommen ist, wenn die Transaktion in einem Block ist - und das kann dauern, auf jeden Fall länger als die paar Sekunden die es "pre-funded" dauern dürfte.

Achso... jetzt verstehe ich was du meinst.. hmm... das ganze ist eine Überlegung wert.. man kann sich also entweder beim Zahlen einloggen oder erhält eine Bitcoinaddresse auf die man einzahlen kann.. die EInzahlung wird dann nach n-Confirmations (4 um bei der normalen Anzahl vom System zu bleiben) zum Empfänger gebucht - und der IPN ausgelösst.. das dürfte machbar sein!
Gut.. ich setze das mal oben auf die Liste der Dinge die rein soll.. das klingt jedenfalls nach einer sehr interessanten idee!
79  Local / Deutsch (German) / Re: SendBitcoins.net öffnet die Tore! on: March 03, 2013, 03:09:31 PM
Ein großer Nachteil ist sicher, dass ich als Käufer auch ein Konto anlegen muss und erstmal einige Zeit brauche bis dort BTC auf meinem Konto aufschlagen. Vielleicht kann man das auch anonym umsetzen?

Bin mir grad nicht sicher, wie du das meinst?
Ich kann versuchen das ganze so umzubauen, dass man auch schon Zahlungen erhalten kann ohne einen Account zu brauchen... aber wenn nun jeder coins empfangen kann - aber keiner Senden... dann macht das alles irgendwie keinen Sinn, oder?

@Chefin:
Danke für die kritischen Fragen, da habe ich kein Problem mit. Bunte Flyer sind nciht so mein Ding (Bin ich RealSolid/Coinhunter?)
Was das Risiko angeht versuche ich mir immernoch Lösungen zu überlegen, wie man das am besten verteilen könnte. Ich mag nicht derjenige sein, der für einen 1000Eur Drogendeal einspringen muss, wäre aber gerne bereit jemandem zu helfen, der tatsächlich unsinnigerweise auf seinen Kosten sitzenbleibt.
Aus dem Grund überlege ich gerade eine Art "Fond" anzulegen aus dem ich im Konfliktfall Coins heruasnehmen kann - also eine Art "Verteilte Versicherung" die aus den Fees gebildet wird. Dieser Fond müsste natürlich erstmal aufgebaut werden.. sollte aber recht flott gehen, wenn das System sich mal einigermaßen etabliert hat.
Ansonsten plane ich für die Zukunft "verifizierte" Accounts einzubauen. AUch wenn das Beispiel eher negativ ist, würde ich das so wie GLBSE angehen: Sprich, wer sich verifizieren lassen will, soll mir Skype, Telefon und Anschrift mitteilen, so dass ich zumindest ein Mindestmaß an Daten abklären kann und so noch einen weiteren Layer der "Sicherheit" oder "Zuverlässigkeit" hinzufügen kann - zusätzlich zum Ratingverfahren.
80  Bitcoin / Bitcoin Discussion / Re: Sendbitcoins.net opening its doors! on: March 03, 2013, 03:01:54 PM
Relevant:
"So before deciding to do ClearCoin, I was thinking I was going to clone one or more of the PayPal shopping cart / payment APIs." - Gavin Andresen
Link

Well.. that post is close to 2 years old...
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