1
vote
1answer
52 views

What are some possible causes of the BTC-e 'flash' crash?

What circumstances made this possible? What entities or major factors could be the cause?
0
votes
1answer
41 views

How can I convert a wallet.aes.json file from Blockchain.info to a wallet.dat file?

I'd like to convert my Blockchain.info wallet to a local Bitcoin-qt wallet. How can I do that? (I am fine with using command line tools.)
0
votes
2answers
23 views

RDD sent to RED address

I wanted to transfer my my RDD coins from Bittrex account to my cryptsy account. I mistakenly sent the RDD coins to A RED generated address on my Criptsy account. Pls how is it possible to recover my ...
1
vote
1answer
10 views

MultiBit got progressively slower after adding more receive addresses

At first, MultiBit was all snappy. Over the course of about 4 weeks I added ~120 more receive addresses. Now, MultiBit is very sluggish, grinding the hard-drive excessively (sometimes for minutes), ...
0
votes
0answers
14 views

Have betsofbitco.in deposits been spent?

I recently noticed http://betsofbitco.in/ went dark. Is there a straight-forward way to guess if any of the outstanding deposits have been spent in the mean time? I guess the coin could get rotated ...
0
votes
0answers
13 views

How do you install NXT on Android?

How do you install NXT on Android? I already have a Java Virtual Machine running on my phone.
0
votes
1answer
29 views

Transaction schedule

I`m thinking about building a business with a friend of mine. The business would use bitcoin as its primer currency, because we expect most of the transactions to be rather small amounts of money (1 ...
1
vote
0answers
14 views

Peercoin: What is the difference and similarity between the PoW difficulty and PoS difficulty?

As of now the difficult for PoW block (Block #127803) is 183694752.0, and for PoS block (Block #127804) is 10.4918556213. Why are the two values so different? Is there any relation between PoW ...
1
vote
1answer
92 views

What is the incentive behind using platforms such as XDP/Dogeparty?

ELI5: What can one do with XDP that s/he cannot do with DOGE? Is Dogeparty similar to projects such as Ethereum/Ripple? If I understand correctly one receives 1 XDP/1000 DOGE "burned". How are these ...
0
votes
0answers
7 views

Sign an offline transaction from a WIF private key

Consider a paper wallet generated by bitaddress.org: How can I sign an offline transaction from a disconnected Linux/Ubuntu computer, using the private key in WIF (Wallet Import Format)?
1
vote
1answer
33 views

Get private key from BigInteger

I have a BigInteger that represents a private key. How can I get that private key as a base58 encoded string? The following pseudo code does not work properly: base58.encode(bigInt.toByteArray) // ...
2
votes
1answer
35 views

How to securly move bitcoins from a wallet.dat file to a paper wallet? [duplicate]

I have an old wallet.dat file with a few Bitcoins. It is stored in an isolated computer that is not connected to the internet. I would like to get rid of the wallet.dat file, and move all the ...
1
vote
0answers
27 views

Can HD public keys be used for symmetric encryption?

I'm interested in using a Hierarchical Deterministic wallet branch as a "shared secret" between two parties. Basically one party could send an index (in plain text) to the other party, along with some ...
0
votes
1answer
49 views

How to recover coins from a wallet that uses BIP32 Deterministic Keys?

Say I am using an online wallet that uses BIP32 deterministic keys and the site goes down. I have a backup of my seed (passphrase). Is there a github repo that I can download, run on an offline ...
0
votes
2answers
96 views

What is the current actual cost of mining 1BTC? [closed]

Bitcoin is going down right now. It's about 500USD/BTC. I wonder what is mental support price for miners under which they would prefer to buy btc instead of mining it? That would be more or less ...
0
votes
0answers
16 views

Scraping multiple cryptocurrencies

I would like to scrap data from Bitcoin and mix of alternative cryptocurrencies which are fundamentally like Bitcoin. The data I am looking for are blocks and transactions. I found a pretty awesome ...
2
votes
1answer
46 views

Transactions within orphaned blocks

Scenario: You are running a bitcoind node and listening to the incoming blocks/transactions. You receive TX 1 which is put into your mempool. Block A is mined, and includes TX 1, which is ...
0
votes
1answer
16 views

Assertion Failed Error

Steps Install brand new Windows Server 2012 machine. I installed Bitcoin Qt I loaded my wallet.dat It ran ok for 8 hours. Than it gave an error : "Assertion Failed!" error. ...
2
votes
0answers
23 views

Bitcoin Core RPC goes does down

I have issues running Bitcoin core. Steps Install brand new Windows Server 2012 machine. I installed Bitcoin core. It ran ok for 8 hours. RPC server of bitcoin core goes down. When I do CMD> ...
0
votes
1answer
35 views

Full node of bitcoin

I would like to have Bitcoin Core running as a full node. I thought it is like plus 100 GB. But on the web site it says it is no more than 20 GB. When I run Bitcoin-Qt is it enough to run full node or ...
0
votes
1answer
35 views

Besides mining Bitcoin what is another good use for an Antminer S1?

Are there any other SHA-256 coins out there that are worth mining? Also, would I be able to mine scrypt-based coins?
1
vote
1answer
33 views

Blockchain.info not actual?

I'm really new to Bitcoining. I've made my own wallet at blockchain.info, and then I decided to get some "free" bitcoins by watchings ads or something. This worked. At leas when i login at ...
0
votes
2answers
90 views

Where to place Bitcoin bootstrap.dat

I'm sure this has been asked many times before, but I've recently gotten into the whole cryptocurrency thing starting with Dogecoin, and I now want to use Bitcoin as well. I am on Windows 7. I found ...
0
votes
1answer
19 views

Sendtoaddress using custom private key

Let's say the user sends me his private key. What is the appropriate RPC command to spend the Bitcoins of this user using his private key? Should I import his private key in the wallet before?
0
votes
1answer
49 views

Hack/Use a Butterfly bitcoin miner as gaming pc

How can I hack & build upon (i.e. add DVD drive, USB reader, etc.) a BitCoin miner like (Butterfly Jalapeño). Everyone tries to use their gaming computer as miner but I want to venture & try ...
-1
votes
1answer
27 views

Hive Wallet recovery without PIN

If I dont have my pin but I have my 12 word passphrase, how do I recover the wallet without pin? How do i recover it without pin?
-1
votes
1answer
26 views

To transact an amount less than minimum transaction amount

Lets consider minimum bitcoin transaction amount is $10 and is it possible to send an amount which is less than $10?
1
vote
1answer
32 views

Why was Blockchain.info DecryptWallet removed?

https://blockchain.info/DecryptWallet.html has been removed for quite some time. Anyone know why?
1
vote
0answers
12 views

Problem receiving - confirmations stuck?

I have tried to transfer some btc being a first time user from one wallet to another (both online version). It seems the btc was sent but the receiving wallet is still showing '0' 24 hours later. ...
0
votes
0answers
22 views

Bitcoind sync status at ~block 206286

I installed bitcoind on an ubunto server. If I execute bitcoind getinfo, I get the following output: ...
-1
votes
1answer
21 views

Recurring micro-payments platform

I'm thinking through SaaS platform, where customers will pay little (20-50 cents) fee for daily use. My first thought was to create own internal currency and deduct customer's balance daily. But I'm ...
0
votes
0answers
14 views

Is there a way to check if a CTransaction is multisig from code?

I see GetP2SHSigOpCount and GetLegacySigOpCount in CTransaction, but I don't know if I use one of them. I want to check if a tx is multisig (has multiple outputs).
1
vote
0answers
16 views

How do I export a private key from my Bitcoin-QT wallet if the wallet isn't synced?

I started syncing a bitcoin-qt client, and had somebody send me funds to an address generated in the client. I then stupidly decided to speed up the syncing process and downloaded a torrent of ...
2
votes
0answers
23 views

How can one know which money exchanges happen in Ripple?

In Ripple, money can be exchanged in two ways: a payment is sent from a person to another person 2 satisfying offers fulfill each other The Ripple wiki states When an offer is placed it will ...
0
votes
1answer
30 views

Script for sending funds to a multisig address

Does sending funds to a multisig address require different script than the one used for ordinary addresses? If yes, how should this script look like? (Under multisig address I mean Bitcoin script hash ...
3
votes
1answer
70 views

MtGox bancruptcy: Filing proof of claims

I owned bitcoins at mtgox during bankruptcy, am I a creditor and thus have to file a proof of claim?
0
votes
0answers
8 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 ...
2
votes
1answer
20 views

Where to stop key derivation when looking at balance of a deterministic wallet

If I want to know the total balance in all the addresses which can be generated in a deterministic wallet (like electrum or armory). I have the master public key allowing me to derive an infinite ...
1
vote
1answer
34 views

How many Secpk1 signatures exist for a piece of data?

ECDSA signatures are not deterministic. That is, random information is used in calculating the signature for a piece of data. Approximately how many unique signatures exist for a piece of data? ...
0
votes
1answer
31 views

How many transactions in One Block?

Block is collection of transactions.Who can decide Number of transactions per block? and How transactions are selected in block? and How does the priority works for fee transactions? Thanks
0
votes
1answer
22 views

What is the algorithm of block selection using Target Difficulty?

Suppose below is target difficulty: 0x0000CDEF0A000000000000000000000000000000000000000000000000000000 So result value must lower than target to select block. So, If Miner 'A' found: ...
0
votes
1answer
30 views

Bitcoin and Company Launching

I'm quite new to anything related to Bitcoin, but let's say that I want to launch a website (in France), where people could buy some items with Bitcoin or could do some bets with Bitcoin. Do I need to ...
0
votes
0answers
8 views

Is it possible to decrypt Blockchain.info wallet payload due to lost password?

I've got a Blockchain.info wallet which had the password changed (long story, but I own the account and private key therein). 2FA is not enabled, therefore the URL ...
1
vote
0answers
10 views

How do mnemonics encrypt wallet data and what prevents hacking of the algorithm?

How do mnemonics encrypt wallet data and what prevents hacking of the algorithm? For example Blockchain seems to encrypt all data using a mnemonic yet doesn't hold customer data server side. What ...
0
votes
1answer
20 views

IsCanonicalPubKey method in Bitcoin Core source

In my logs I see that I keep getting: ERROR: Non-canonical public key: compressed nor uncompressed This error is thrown from inside the method: bool IsCanonicalPubKey(const valtype ...
0
votes
2answers
17 views

Convert an lower-cased address to a properly capitalized address?

Is it possible to take a lower-cased address like 1dice8emzmqkvrge4qc9buff9px3xaydp and convert it to the properly capitalized address of 1dice8EMZmqKvrGE4Qc9bUFf9PX3xaYDp ? I've looked around and ...
0
votes
1answer
27 views

Where else can I exercise my Electrum seed?

Assumptions: I've memorized my electrum seed and will never forget it In the future, I'm robbed of everything but mind and body In the future, Electrum software is not easily accessible or I can ...
0
votes
1answer
22 views

troubles with multibit

I have the following problems i) I'm trying to import a private key that I exported from Blockchain, I import it, the right public key is created, but no transactions show up or balance? I've imported ...
0
votes
1answer
48 views

How many bits are in a Bitcoin?

I need to track an amount of Bitcoins in a database. Is a UINT64 sufficient? I'd rather not deal with floating point types, and the rounding errors they end with.
6
votes
2answers
96 views

How do you create a planet-specific cryptocurrency that will ignore longer block chains from other planets?

I'm sure that cryptocurrencies will play a huge part of the economy across the solar system, when we have colonized many different planets, moons, and asteroids. But there are problems with using a ...

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