2
votes
1answer
39 views

bitcoind sendfrom with minconf=0

Is it possible using bitcoind JSON-RPC API to receive funds from someone and send it immediately to another third-party address? I do not want to wait for 1 confirmation. getbalance with minconf=0 ...
3
votes
2answers
33 views

Online Bitcoin Script simulator or debugger?

Is there an online simulator that would allow me to step through, debug, or simulate the execution of a Bitcoin script?
1
vote
1answer
52 views

Expected value in pool mining vs. solo mining

Set aside the fact that pool mining provides a more steady stream of income than solo mining, and the fact that pools charge a fee for their services. Disregarding those facts, I have an argument for ...
-1
votes
1answer
25 views

Bitcoin transactions to the network

New to bitcoins is it possible to send transactions to the network without having a local node installed and how I'm coding in c#
0
votes
1answer
33 views

setting up and verify a wallet under special circumstances

A friend of mine has a problem in verifying a wallet for the following reason. Since about 40 years he has been denied a passport and a normal ID card by the german authorities after he handed in his ...
3
votes
2answers
42 views

Is it possible to schedule a transaction in the future?

Wondering if it's technically possible to set up a transaction to be sent in the future, for example 6 months? Is this related to block timestamps parameters? Transaction timestamps?
1
vote
0answers
28 views

The 21,000,000 BTC Limit Issue [duplicate]

I love the concept of Bitcoin, however I have noticed a few weaknesses to the system that not may folks talk about. One of the issues is the 21,000,000 limit. After "X" amount of time, a certain ...
1
vote
2answers
150 views

Can a hard fork effectively double the value held in bitcoin?

A hard fork necessarily means that two versions of the block-chain exist and value is held in both. Now realistically one of them should probably go down in value and the other increase or hold steady ...
2
votes
2answers
156 views

What are some essential features of Bitcoin classic?

I already know about the 2MB block size increase. I would like to know more about who controls the code base, what the other proposed changes are, and those kinds of things.
0
votes
0answers
31 views

How do I create an address in MultiBit?

I would like to establish an address that can receive bitcoins from viewing websites. How do I create a new address in MultiBit?
3
votes
1answer
29 views

Recovering a HD wallet from a partial seed phrase

I am attempting to help recover a wallet where the owner only wrote down 11 of the 12 words in the seed phrase. Initially, I thought the task would be a quick and well-defined, but it appears to be a ...
1
vote
0answers
22 views

Can one receiving address from my Wallet be linked to another from the same Wallet?

I have created a wallet using Electrum. Electrum creates 20 receiving addresses. My question is can these be linked or traced back to each other? I want to understand if I have create another wallet ...
0
votes
1answer
24 views

Bitcoind move address to other account

When I move an address to another account, and the address contains bitcoins, will the person who gets the address will get the bitcoins that where on the address?
-1
votes
1answer
38 views

Which bitcoin materials/ hardware do I need to start a shop? [closed]

I'm thinking about starting a shop, where you are able to purchase different bitcoin materials/hardware to get started. I've tried to search on the web for details, but I'm a little confused. There ...
0
votes
3answers
64 views

Can I force my company to pay me in Bitcoin

I just got my bank account closed. Reason: International payment were not supported I don't like to waste my time in bank formalities. I am a programmer. I wish to stay technical for most of the ...
0
votes
1answer
25 views

What is the api function call to access NXT's Data Cloud feature?

If I hosted a few files on the NXT's Decentralized Data Straoge Cloud, how can I access those files via an API?
1
vote
1answer
111 views

How long do files stay on the Decentralized Data Storage blockchain when using NXT's Data Cloud Feature?

NXT 1.7.4 just released a new Data Cloud feature: How long do files last on the NXT blockchain?
0
votes
2answers
58 views

Bought Bitcoin from ATM, haven't showed up

I made two transactions at a BTC ATM, one of around £80, the other of £10. It has now been >3 hours since the transaction was made. However, only the smaller transaction has appeared in my Bitcoin ...
4
votes
1answer
42 views

Does every full node verify every transaction TWO separate times?

I am building my Bitcoin expertise, and want to verify my understanding on a specific point: at what point(s) do all full nodes verifies a new transaction? Here is my understanding in a nutshell, ...
1
vote
1answer
21 views

Installation troubles… Compiling from source code on a mac book pro

So, I've tried to follow the instructions in /doc/build-osx.md I installed the dependencies using Homebrew brew install autoconf automake berkeley-db4 libtool boost miniupnpc openssl pkg-config ...
0
votes
0answers
11 views

Pay to Script Hash Execution

Combining the spending transaction scriptSig and funding transaction scriptPubKey, we get: <OP_0> <sig A> <sig C> <redeemScript> <OP_HASH160> <redeemScriptHash> ...
1
vote
1answer
25 views

Is it possible to get the public key from a transaction input that is a 'pay to public key' output?

I am looking to be able to calculate the public key from the transaction input. The input is from a 'pay to public key' output. Can the public key of the input be generated from just the signature ...
1
vote
0answers
33 views

Is there any come back when an exchange goes bust?

I had .95btc in cryptsy. The exchange is now bust with intermittent updates from 'big Vern'. The authorities don't seem to care, fellow crypto enthusiasts just say things like, 'oh how stupid, ...
1
vote
1answer
15 views

Testnet: mandatory-script-verify-flag-failed when doing OP_RETURN

For some reason I keep getting error: {"code":-25,"message":"Missing inputs"} EDIT: Updating error now that the full testnet blockchain is downloaded "code":-26,"message":"16: ...
1
vote
0answers
25 views

writing blockchain explorer, handling sidechains and block reorg

I've got stuck with problem how to handle sidechains. E.g. we are on the longest chain, all transactions have been parsed (we mark outputs as spent, manage addresses total receive, total spent), we ...
1
vote
1answer
37 views

How to decode raw tx hex programmatically

createrawtransaction(...) in testnet returns this hex: ...
0
votes
1answer
20 views

How the restoring of wallet does?

I was trying to learn working of bitcoin and trying to understand the working of bitcoin wallet. In an HDWallet what I can see the behaviour is it will start with an address and we can add addresses ...
1
vote
0answers
23 views

Payout method PPLNS or PPS?

Which payout method is better, and why? I am getting more money out with PPLNS, but everyone says using PPS is more effective, what am I doing right?
0
votes
1answer
19 views

How to install a private testnet?

I'm looking to make my own NxT testnet for developpement purpose but couldn't find a way to do it. I'm currently using the normal " testnet " but couldn't find the way to properly configure the ...
0
votes
0answers
10 views

Searching for EUR exchange with high trading volume

I'm currently trading on kraken.com which works perfectly fine. Now I want to discover other EUR exchanges which have good reputation, a relatively high trading volume and preferably low trading fees. ...
1
vote
0answers
32 views

blockchain transactions dump file

I am looking for hourly, daily, weekly, monthly and yearly blockchain transactions dump in csv or other formats. Any pointers would be really appreciated.
0
votes
1answer
21 views

Size of the blockchain after pruning

what is the size of the blockchain stored on a user harddrive after pruning has occured ? Thanks
1
vote
2answers
46 views

Multiple public keys - Total received funds

If I create a new public key (Bitcoin Address) for every transaction I'm receiving, is there some way to find my total balances of my wallet/private key? And are there any downsides with creating ...
0
votes
2answers
14 views

How do I export my private key on MultiBit

I am using Multbit on my desktop, and I want to use my wallet on a another device like my phone.
1
vote
1answer
31 views

Bitcoin-cli balance minconf

When I use the getbalance command in bitcoin-cli and I set minconf to 1. Will it display the bitcoins with 1 confirmations and more? If this is true, what is a good amount of confirmations that will ...
0
votes
1answer
28 views

How can I pay someone in another country?

I have my wallet with some BTC in it, on my PC, and I live in europe. Let's say I want to pay 2BTC to a company in India or China, or whatever, but they don't accept BTC. They only take Indian Rupees ...
0
votes
2answers
29 views

Where can I find the Bitcoin white paper in plain text markdown format?

Is there a place where I can find the Bitcoin whitepaper by satoshi in plain text markdown format?
4
votes
2answers
80 views

Is it feasible to use the Blockchain technology without the Bitcoin?

Every once and a while, I step into some article like this one: Forget Bitcoin -- What Is the Blockchain and Why Should You Care?. I've been hearing a lot of blabbering about companies to begin using ...
2
votes
2answers
58 views

What is the best method for creating a paper wallet?

I am looking to move some of my bitcoins from cold storage to a paper wallet. I have heard that metal stamping is one of the better long term strategies since paper can burn or fade. Any other ...
4
votes
1answer
455 views

What has happened with the investigation of mtgox.com?

Why hasn't there been any update since 9th of September 2015? What has happened since then?
0
votes
2answers
73 views

Why is it dangerous to hard fork the Bitcoin network?

In the blocksize debate it is often stated that hard forks are dangerous. This is sometimes supported by the claim that "people may lose money and must be protected". And that it's impossible to ...
2
votes
2answers
81 views

Does Blockstream have a revenue model that can only exist in a small block environment?

Anyone reading discussions in the Bitcoin scene these days probably has seen the following argument (or similar): "Blockstream is preventing a blocksize increase because their products can only ...
1
vote
1answer
48 views

How to generate Ed25519 public key from private key using libsodium?

Not all crypto currencies are using secp256k1 technology for keypair generation and digital signatures. Curve25519 technology (frequently used to support ECDH key exchanges) is being used by a few ...
-3
votes
0answers
12 views

I NEED HELP PLEASE can someone help me? [duplicate]

how do I buy bitcoins, this is my first time doing this! Can somebody help mm!
-1
votes
0answers
14 views

Pool Mining -> Hamiyoca Help

How do I find a pool for hamiyoca? It seems that it can only run in testmode, but I know I need some sort of RPC pool server? Can someone give me a sample credentials.class.php and/or tell me a good ...
-1
votes
1answer
27 views

Is there any platform where we scan a QR-code and receive the Bitcoin payment?

Like if I want to send 1 BTC to someone I give him a QR-code. He scans it and receives the money. You load your QR code with Bitcoin as payment voucher.
1
vote
1answer
18 views

How does IBLT_diff reveal the transactions that needs to be retrieved?

I understand IBLT (Invertible Bloom Lookup Tables) and as far as I know it is used to increase propagation speed by only sending the transactions to a full node that its missing instead of sending all ...
0
votes
0answers
40 views

Armory cannot find bitcoin installation in Ubuntu 14.04

I installed Bitcoin Core version v0.11.2.0-g7e27892 (64-bit) at /usr/bin/bitcoin-qt. After that I installed armory 0.93.3-beta-e59e10d38c. When I launch armory it says "cannot find bitcoin ...
1
vote
1answer
46 views

How to track and handle double-spend attacks?

If a double-spend attack is pulled off, how to manually verify transactions via the bitcoin daemon and how to know how much amount lost? Will the saved transaction hash be re-usable to obtain info ...
4
votes
2answers
385 views

What contributions have Blockstream developers made to the Bitcoin project?

I’m spending a lot of time debating people about Bitcoin online these days. One issue that I encounter regularly is that my opposite colloquists are unaware of the contributions the Blockstream ...

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