0
votes
0answers
9 views

Online wallet for betting / customer profile?

I am looking for a system that provides users with the option to deposit and withdraw BTC to a generated address. Basically something that works like https://primedice.com/play and ...
2
votes
1answer
26 views

Using Bitcoin or another Altcoin for Decentralized Database Storage

I was wondering has there been any attempts on using the blockchain as a decentralized database storage system? Would it be feasible to use it on Bitcoin or another Altcoin and if so which altcoin ...
0
votes
0answers
15 views

bitcoind inconsistent authentication error

I am using a Linux computer. The issue I am having is that sometimes I have to use "kill -s 9 (bitcoind pid)" and restart bitcoind using "bitcoind -txindex" because bitcoind will sometimes not let me ...
2
votes
0answers
15 views

jsonRPCClient.php states its served a 401 error response

When I execute my php file from the command line I get this: <pre> PHP Warning: fopen(http://...@127.0.0.1:8332/): failed to open stream: HTTP request failed! HTTP/1.0 401 Authorization ...
0
votes
1answer
7 views

Logging Antminer Statuses

How does one log all an Antminer's statistics (temperature, hashrate, etc.) to a file? I can log in to an Antminer via SSH, so I should be able to turn on some option for cgminer to log everything, ...
2
votes
1answer
85 views

Is it possible to reject a bitcoin payment?

Say someone sends bitcoin to an address. It is later determined that those incoming funds are tainted and the recipient wants no association. What is their recourse?
0
votes
1answer
17 views

Why is a Payment Protocol Acknowledgement message not signed?

The Payment Protocol (BIP 70) describes three messages passed between a payer and payee. The last one is an acknowledgement message sent by the payee. This discussion talks about the acknowledgement ...
0
votes
2answers
15 views

How do I view the extended public key in Electrum?

Someone's asking for my extended public key. How do I view this? What are the consequences of giving this to someone? Can they steal my Bitcoins if I give this to someone?
0
votes
1answer
11 views

What BIP32 derivation path does Electrum use?

Electrum 2.0 and up uses BIP0032 internally. I want to write code that generates the same addresses. I can't find any information about this online. What BIP32 paths does it use to generate ...
2
votes
1answer
30 views

Accept payments on someone else's behalf without being able to spend them

TL;DR I wish to store some sort of key in my application for each vendor account that allows for my application to generate a receiving address for clients to make payments to. I am writing some ...
1
vote
1answer
10 views

Bitfinex API limit

There is currently an API limit of 60 requests per minute on Bitfinex. Question is whether this limit is related to: 1) single IP address, If so, can I have more IPs linked to one account each of ...
-1
votes
0answers
20 views

How To Get Paid In Bitcoin Anonymously?

What are the exact steps I need to get paid anonymously with bitcoin? How can I then cash out the bitcoins in common currency like dollars and euros? How can I get a credit card linked to bitcoin ...
2
votes
2answers
40 views

What are the minimum and maximum lengths of a Mainnet Bitcoin address?

I'm getting mixed answers on this question. For example, this source says addresses vary between 27 and 34 characters in length. The Wiki says 26-35 characters. Neither source cites something that ...
1
vote
1answer
32 views

sent-to address

Premise: I'm quite new to all this bitcoin thing. After experiencing some problem with a bitcoin transaction, I made few attempts with small quantities (0,0001). In particular, I've sent 0,0001 to ...
0
votes
2answers
13 views

Receive unconfirmed transactions using Insight API

I am new to Insight API. I want to receive unconfirmed transaction that are being broadcast to confirm by a miner to add in a block. I am using Insight API using RPC client. How I can get ...
0
votes
0answers
17 views

How would I go about installing a miner on Linux Mint running on an AMD APU A-Series [duplicate]

I've looked all over the internet, and after messing around with OpenCL for hours, I still have no clue how to do it. How would I go about it? My question differs from others in that I'm trying to use ...
1
vote
1answer
24 views

Rounding in BTC exchanges

Does anyone know whether exchanges usually round values or truncate them instead? Different exchanges support different resolutions for prices and amounts. For instance, BTC China supports 2 ...
0
votes
1answer
36 views

Is it possible to identify mining pools?

I am doing research on Selfish Mining in Bitcoin. Here is the article http://hackingdistributed.com/2013/11/04/bitcoin-is-broken/ I wanted to know is there a way to identify minining pools? I wanted ...
1
vote
0answers
16 views

How can I tell if files from coldpi are backdoored?

I'm trying to install Armory on a Raspberry Pi. I have tried installing the [Offline Bundle] for RaspberryPi (armhf) from http://bitcoinarmory.com but I'm getting compile errors on Raspbian. I also ...
1
vote
1answer
31 views

os.getpid() in Bitcoin's python test scripts - What does it actually do?

I was looking at ../qa/rpc-tests/util.py in order to figure out how arbitrary ports are assigned to each created node. In the first lines of the code it says: ...def p2p_port(n):return 11000 + n + ...
0
votes
1answer
20 views

Obelisk servers

Obelisk servers are implemented by several libraries like Pybitcointools and Libbitcoin's SX/BX tools; there also appears to be shared(?) repositories between Spesmilo and Libbitcoin. What is the ...
2
votes
0answers
15 views

Clarification of BIP32 hierarchical deterministic multisig scripts

As everyone is aware, I'm a huge proponent of Vitalik Buterin's pybitcointools Python 2.7/3.x library. I am having a some trouble understanding the BIP32 concepts, which are coded in the ...
1
vote
2answers
26 views

How does HD wallet protect its master public key?

Hierarchy deterministic wallets have a master public key. I fully understand elliptic curve's concept regarding to the private and public keys. I also understand the concept that Maxwell described ...
1
vote
1answer
23 views

HMAC “Bitcoin Seed” for BIP32

Pybitcointools uses the following code for calculating a master private key (BIP32) from a seed: def bip32_master_key(seed, vbytes=MAINNET_PRIVATE): I = hmac.new(from_string_to_bytes("Bitcoin ...
1
vote
0answers
5 views

Is there a volume chart for Omni assets?

I am looking for trade / transaction volume charts for Omni assets like http://www.ripplecharts.com/ (seeking information of for example - how many MaidSafeCoins have been traded in the last week and ...
0
votes
1answer
17 views

Why are AntMiners' firmware closed-source / non-GPL?

Why are AntMiners' firmware closed-source / non-GPL? What does Bitmain have to lose by making the source open?
0
votes
1answer
31 views

Reuse of addresses by a service (“get new address” returning *funded* addresses)

Recently, a marketplace was said to have been reusing deposit addresses, such that clicking the "get new address" button would immediately give the user a different address, however, the "new address" ...
1
vote
1answer
17 views

How to pass parameters for multisignature addresses from Perl to the JSON::RPC::Client?

I'm trying to create a multisig address with JSON::RPC::Client but I don't know how to pass the parameters. I can pass simple params such as in validateaddress that requires only ...
2
votes
1answer
84 views

Who pays me when pool mining?

When I pool mine, do my payments come from the pool operator's personal account? From the pool's wallet? Or from somewhere else? When using P2Pool, the payments appear in bitcoin-qt as though I had ...
0
votes
0answers
6 views

cgminer option equivalent to bfgminer's #allblocks option?

bfgminer's #allblocks option offers "Support for submitting found blocks to a local Bitcoin GBT server (bitcoind or Bitcoin-Qt with -server flag): just append #allblocks to the end of your bitcoind's ...
1
vote
1answer
20 views

What's a good way to receive donations?

We're a UK Foundation with board members across various countries. We have some difficulty setting up a bank account. It's definitely easier to create Bitcoin wallet, but we want more than that. Here ...
0
votes
0answers
19 views

Why Bitcoin's 10 minutes? [duplicate]

Are established by the initial Nakamoto protocol and now mantained by the developers through the control on the difficulty? Are difficulty and technological progress strictly related?
-2
votes
1answer
32 views

Template for creating X11 altcoin [on hold]

I want to create X11 altcoin. Is there any templates for that? Like https://github.com/razorlove-legacy/foocoin but for X11?
2
votes
1answer
28 views

Using Bitcore API for Escrow

Has anyone experience using the Bitcore API for Escrow purposes with node.js? I assume, you'd need to create a new a address, then somehow create a new transaction using the newly created address, ...
2
votes
2answers
45 views

Button generating code altering addresses

I was playing with the website: http://embedbitcoin.com/ to generate a payment button for my website. It asks for your bitcoin address, but when you click "Send Bitcoin" from the generated button, ...
-2
votes
0answers
26 views

Need Advice. i appreciate your help [closed]

I am free for next six months i have no job. I am kinda techno savvy guy. I m very interested in Crypto world. So i need your suggestion . what should i do for next 6 months, I want to make some ...
0
votes
0answers
29 views

I just restored my Mac from a time machine backup, but no coin wallets got backed up?

Every other file seems to have been backed up and restored except I don't see any coin folders in the application support folder in the library. Did I do something wrong? Are these files ...
0
votes
1answer
24 views

Is there A Mechanism In Place that Prevent Address 'Squatting'? [duplicate]

Is there a function or mechanism in the bitcoin protocol that prevents someone from creating millions or billions of bitcoin addresses and just sitting on them? Do the addresses need a minimum balance ...
0
votes
1answer
19 views

What if I have 2 seperate wallets with the same email, and want to send bitcoins? [closed]

If I send bitcoins to an email, and the email has 2 separate bitcoin accounts using the same email, how would I know which bitcoin wallet it went to?
0
votes
0answers
18 views

Do we need in-app billing for bitcoin-like app?

Apps that use bitcoin contains transactions e.g. deal with a real money. Google says that if we deal with a real money, it has to go over their in-app billing service. I checked other bitcoin apps on ...
6
votes
1answer
120 views

What happens when a fork/network split occurs on the Stellar network?

Say some country decides to somehow block all outgoing Stellar connections for 30 minutes. With a voting based consensus that Stellar has chains in both networks progress with a similar speed. After ...
0
votes
1answer
21 views

Private keys importing in format got by dumpprivkey

I backed up my private keys this way: Opened my peerunity wallet (bitcoin-qt fork), opened Debug window, issued dumpprivkey and I got my private key. Then, I wrote it on a piece of paper (!). Now, I ...
1
vote
0answers
91 views

Are there multiple representations of the same target value? Are they interchangable?

The block target in Bitcoin is encoded in block headers as a 24 bit integer raised to an 8 bit exponent: int(nBits[1:4]) * 2 ** (8 * (int(nBits[0]) - 3)) Are there multiple nBits representations of ...
1
vote
1answer
21 views

Why Block351543 is older than Block351542? [duplicate]

I am a little confused here. Why the Age of older Block[351542] is younger than Block[351543]. Here is the screenshot from blockchain.info
0
votes
0answers
28 views

Error While making windows.exe using gitian build?

Actually I'm making a logos windows exe (logosd and logos-qt) following the release process, which is mention on below path on any coin you can find that path, I'm working logos LGS Coin that's why ...
0
votes
0answers
15 views

BTC Guild and MinePeon

I have recently been using BTC Guild to mine and I have found something unusual happening with my hash rate on this pool. I can confirm that my hash rate is at 2.2 Gh/s however, on BTC Guild my hash ...
-2
votes
0answers
41 views

Someone with knowledge in bitcoin transactions needed. I'll pay in bitcoins [closed]

Trying to set up an e-shop with an option of getting paid in bitcoins. I need help to sort a couple of things out. Any help will be much appreciated, I'll pay in bitcoins for your support. Contact me ...
1
vote
3answers
66 views

In which license is available Bitcoin.org content?

I want to know a very basic thing: in which license is available Bitcoin.org content? In the footer of the website we can found that the website is licensed under the MIT license, but MIT licensed ...
-1
votes
2answers
37 views

Bitcoin (and other crypto-coins) nonce loop

I recently started to pay attention to what's going on at crypto-markets and, being developer for a long time, decided to take a look at the software we have out there in public access. So I have a ...
0
votes
0answers
10 views

Send muti-colored-coin (asset) in one transaction

createrawtransaction makes muti-output bitcoin transaction possible? Is there a similar way to create a muti-output transaction with colored coin asset?

15 30 50 per page