refers to the Company, not the coinbase transaction. For coinbase transaction, see [Reward].

learn more… | top users | synonyms

0
votes
1answer
16 views

How do I reset my TFA token in Coinbase?

I would like to move my Coinbase Two-factor authentication token from one device to another. I cannot find a location on their website to disable TFA once it has been set up, or to move the token to ...
1
vote
1answer
25 views

PHP Coinbase Callback POST

I've a problem with the callback. The post data is not right, because the users cents is not update. My Code: public function bitcoin($secret) { if($secret == ...
0
votes
0answers
10 views

Coinbase API and my website

I am creating a website which has user profiles, and I was wondering if it was a good idea to use the Coinbase API to create a new wallet for each user when they sign-up. Does anyone know of any draw ...
0
votes
1answer
68 views

Coinbase Security

Does anybody know how cold is the Coinbase cold storage? I'm not really into Coinbase but when I read about their cold storage I become a little bit skeptical: for example, how do they process ...
1
vote
0answers
83 views

Coinbase lost my transaction from Bitstamp

I'm moving my coins out of Bitstamp I was looking for another exchange. I have sent 0.00007 BTC to just test the transaction. I got the address where I want to send coins to from ...
2
votes
2answers
37 views

Can I do blind refunds relatively reliably?

If I receive a Bitcoin payment, and do not have any other information about the sender, can I refund the payment with a decent degree of reliability? The current state of things is that the general ...
1
vote
1answer
38 views

Do receiving addresses expire on Multibit?

Okay so I have tried Resetting Blockchain and Transactions plenty of times. The only thing is I used an old receiving address that I used about 2 months ago. Do these addresses expire? Can they only ...
0
votes
1answer
88 views

How to Track if Payment is Received with API in Coinbase

I am using coinbase api https://github.com/coinbase/coinbase-php and I successfully created order button but I didn't found anything to confirm or track that I have received payment. <?php ...
1
vote
3answers
103 views

Do payment processors who convert bitcoin to dollars (like Coinbase and Bitpay) devalue bitcoin?

My understanding is that Coinbase and Bitpay process payments made in BTC. They receive BTC from a buyer (for example someone buying patio furniture) and send USD to merchants who don't want to keep ...
0
votes
1answer
26 views

Coinbase outgoing transaction never changed destination account balance?

The transaction can be tracked at https://blockchain.info/tx/47068b561814a19a9613946185d527c7ba6eb3b6ed0cf17554fc80c27d7f0d4e?show_adv=false. Although the transaction has been already been confirmed ...
4
votes
1answer
97 views

Does anyone have insight into how Coinbase calculates the number of confirmations for a transaction?

When you compare number of confirmations for a transaction by hash using Coinbase vs using Blockchain.info, Coinbase is always ~10 confirmations below Blockchain. Does anyone know why? I'm using the ...
-1
votes
1answer
85 views

What's up with all the QR codes? [duplicate]

Just bought $5 of Bitcoins from CoinBase. How do I spend them? I gather it has something to do with QR codes. . . .
-1
votes
3answers
238 views

I would like to exchange my mining earning to real cash in my bank account, then should I mine Bitcoin or Litecoin?

As a total Noob I have a CPU and GPU intensive machine and want to mine some coin to earn. In addition, I try to get the best trade of between the earning from the mining and exchanging it to a real ...
1
vote
1answer
58 views

How can non-Coinbase customers pay to Coinbase from Android?

Scenario: Say I want to create a shopping app on android. After filling the shopping cart, when the user wants to check out, he is asked to pay me the bitcoins. I have created an account on ...
0
votes
1answer
108 views

interpreting coin base api historical price data

i'm looking at the coin based api and they provide historical price data https://coinbase.com/api/v1/prices/historical?page=1 which returns results like this 2014-02-22T04:47:06-05:00,575.39 ...
1
vote
1answer
302 views

What's the advantage of bitpay over coinbase for a merchant solution?

I'm trying to figure out why a merchant would ever choose bitpay over coinbase as an integration solution. It seems they offer very similar services (accept bitcoin payments, exchange for dollars ...
0
votes
1answer
141 views

Transaction to Coinbase not showing up in account

On 26th and 31st of January I transferred each 1 BTC (total of 2 BTC) from my Blockchain wallet to my Coinbase wallet. On the Blockchain site they show up as confirmed transfers. However, on the ...
1
vote
1answer
311 views

Funds from coinbase never showed in my Multibit wallet

I know this question has been asked and answered a bunch of times so I am sorry for doing the same. I am basically a moron when it comes to this stuff and very new to digital currency. So here's the ...
2
votes
1answer
556 views

How to fully decode a coinbase transaction?

After reading this What is the format of coinbase transaction? I was wondering about a few things. decoderawtransaction of a random Litecoin coinbase transaction: "coinbase" : ...
4
votes
1answer
2k views

Import private key to coinbase?

Is there a way to import a private key that I have been using in bitcoin-qt to my coinbase wallet?
3
votes
1answer
116 views

coinbase receiving addresses reused!

I generated a new receiving address on CoinBase so that someone can send me BTC. I immediately searched the address on blockchain.info and was quite surprised to see that it already had many ...
3
votes
2answers
394 views

Is there a standard procedure for refunding Bitcoin transactions?

I work for an online retailer, and we're currently testing a Coinbase payment implementation for our checkout. One of our big concerns is being able to send a refund in the event that we're unable to ...
0
votes
1answer
170 views

Coinbase Transactions

If this is the wrong forum for this type of question, I apologize. However, I've been trying out different bitcoin providers and I've run into a bit of a conundrum with Coinbase. I purchased a small ...
0
votes
0answers
101 views

what is coinb1 coinb2 in the stratum protocol

I'm wondering how to send coinb1 and coinb2 from the stratum proxy to the miners. These are the first part and final part of the coinbase transaction. Can anyone explain how to construct these 2 ...
1
vote
0answers
49 views

Why are transactions with no outputs not relayed by default?

I was reading this thread about making a transaction without an output: Are Bitcoin transactions permitted to have no outputs (i.e. all inputs become transaction fee)? The answer is that outputs ...
6
votes
3answers
168 views

How can I tell whether transactions were (not) made via BitPay / Coinbase?

Background Recently, Rep. Steve Stockman posed for a photo op with his Bitcoin address on a big QR code, which got shared. He has a Bitcoin donation page which asks for identifying info and goes ...
-1
votes
3answers
542 views

Bitcoin theft from Coinbase account being hacked

Not sure anything can be done, but I want to know how they did it and to prevent them using the coins if at all possible. Here are the details of the theft. You just sent 0.8495 BTC (worth $604.46 ...
-1
votes
1answer
191 views

what is $_GET['code'] in coinbase api

I am trying to integrate basecoin api with the code given bellow <?php require_once(dirname(__FILE__) . '/lib/Coinbase.php'); // Create an application at https://coinbase.com/oauth/applications ...
1
vote
1answer
134 views

Why not send BTC between web wallets?

In this question, Is it possible to transfer BitCoins from BlockChain to CoinBase?, the answer implies that this is a bad idea. But for me, this raises a question. I like to Coinbase's tools for ...
4
votes
1answer
409 views

Details on Genesis Block

The question asked here displays the genesis block in pretty good detail. I am still trying to get a breakdown of some of the elements seen here (and some others not seen here): The Merkle Root Time ...
2
votes
1answer
2k views

What advantage do Mt.Gox or Kraken have over Coinbase?

I just verified at Mt. Gox and am pending verification at Kraken. However, I quickly realized that there were hurdles that I needed to jump through in order to get my USD into BTC. Coinbase was a ...
0
votes
0answers
129 views

Check coinbase address callback for confirmations?

Is there a way to ensure that a double spend doesn't happen using Coinbase's address callback system? By the looks of it, they initiate a callback as soon as the address receives a BTC without ...
1
vote
0answers
145 views

How can I use bitcoin testnet in coinbase php

I'm using coinbase wallet for bitcoin transactions. Is there any option to use testnet for transactions testing purpose in coinbase? Any suggestions will helpful.
0
votes
1answer
4k views

Transfer Bitcoins from Coinbase to an Offline Wallet

Besides using the send bitcoins option, is there a way I can transfer my bitcoins from my online Coinbase account to an offline wallet? I mainly want to do this because I'd recently found out that ...
1
vote
1answer
103 views

Implementation languages of popular exchanges

What programming languages are some of the popular BTC exchanges implemented in? E.g. MtGox, BTC-E, Coinbase, etc. MtGox is releasing their new Midas trading engine, and there does not seem to be much ...
4
votes
4answers
1k views

How to file bitcoin income to the IRS

I want to check if there is any specific tips how to properly file income from speculation with BTC to the IRS. Also is there any specific report from the Coinbase available?
-2
votes
1answer
1k views

What is Buttercoin, and how does it differ from other exchanges such as Coinbase?

I successfully purchased some Bitcoins via Coinbase. Coinbase makes sense to me as it seems like buying a stock like I can via ETrade. I was able to easily link my bank account to coinbase and it ...
2
votes
1answer
810 views

Bitcoin address does not show transaction/balance from Coinbase purchase

I purchased a bitcoin using a Coinbase account. When I try to verify that transaction to the address, I can't see any activity or balance for the bitcoin address that Coinbase shows as mine. Coinbase, ...
1
vote
0answers
180 views

CoinBase Callback URL in Java

I using CoinBase API for transactions in a game. I assign a callback URL with the address so as to get instant notification on payment transactions. the URL is called but it is not sending any data. ...
0
votes
1answer
4k views

Is it possible to transfer BitCoins from BlockChain to CoinBase?

I have BitCoins in BlockChain - is it possible to transfer these into my CoinBase account?
1
vote
2answers
324 views

Why is blockchain.info allowed to have an iOS app but coinbase is not?

I saw that Coinbase's new wallet app has been pulled from the iOS app store. Is there anything about the Coinbase wallet app that was different from the blockchain.info wallet app?
1
vote
2answers
4k views

Can trading be done on coinbase.com?

On coinbase.com I tried to sell some bitcoins and was told I had to register a bank account. I'd have expected that only if I were trying to withdraw dollars, euros, etc., from coinbase. On mtgox ...
2
votes
1answer
293 views

Are coinbase.com purchases effectively bitcoin futures?

I just purchased 0.1 BTC from coinbase with a bank transfer. Coinbase informed me that the transaction would take 4 business days to complete. So I don't have any bitcoins yet, but Coinbase promises ...
0
votes
0answers
109 views

Where is the transaction sent to my Coinbase.com wallet?

I transferred 10 bitcoin to my Coinbase.com wallet, but I don't see the transaction. The only one I see is the small transaction I did the day before. How long is it going to take before I see it in ...
11
votes
6answers
13k views

Did I just get defrauded by Coinbase?

I bought 10 bitcoins, 4.5, and .4 on Oct 18/19 @ around $150-160. On Oct 24, within almost the hour that the coins were supposed to arrive, I receive the following email for all 3 transactions: ...
1
vote
2answers
2k views

How to Connect bitcoind to one of your workers in a pool?

I'm trying to start using an old tower to mine bitcoin and am slowly trying to make sense of the setup. Wallet. I signed up for a bitcoin wallet (coinbase) where I am given an id. Pool. I joined a ...
1
vote
1answer
358 views

Coinbase IPN test page not posting data?

On Coinbase under Merchant Profile I'm entering the URL: https://www.scirra.com/handlers/coinbasecallback.ashx For the IPN tester. This ashx page has the code: var r = ""; foreach(string name in ...
1
vote
2answers
537 views

developing an app that integrates with bitcoin

is there something like the paypal sandbox test accounts for coinbase that I could use to test the app that I'm developing?
0
votes
1answer
2k views

Sending from Bitcoin-Qt to Coinbase

I had the idea to move all of my existing bitcoins (10 BTC) from Bitcoin-Qt/paper wallet to Coinbase. I had imported the paper wallet to Bitcoin-Qt and the balance there was 10 BTC total. For some ...
1
vote
1answer
185 views

Difference between coinbaseaux.flags vs. coinbasetxn.data?

After reading through most of the protocol, and trying to piece everything together, I'm still at a loss as to how some things work. For example, the difference between coinbaseaux.flags and ...