0
votes
0answers
12 views

how To mine Bitcoin With Server? [duplicate]

I have some server on hostinger. there is any software or script with that I can mine for with one time setting.... I tried for php script search in Google but can't find Sorry for my poor English Pls ...
0
votes
3answers
28 views

What is a Buy as opposed to a Sell?

What defines a Buy vs a Sell record in the trading time series of an exchange? In any trade there is always someone selling and someone buying... So what defines a particular trade as Buy or Sell?
0
votes
1answer
36 views

My first transaction using Bitcoin-Qt

I used Bitcoin-qt (Bitcoin Core) on desktop to create a wallet a while ago and I'm a little confused how it works. I never fully "synchronized with the network" I'm assuming that means download the ...
3
votes
2answers
153 views

Is centralization in the Lightning network inevitable? Why (not)?

Especially keeping in mind the possibility of single-funded channels (see Tadge's Google Doc Slides), buying from an exchange and concurrently opening a payment channel on the Lightning network would ...
1
vote
1answer
28 views

Is it possible to Send the total balance of Bitcoin from the Wallet using rpc without having to specify the exact amount?

I know we can send coins using the move, sendtoaddress and sendfrom commands from the console or commandline. However these commands require to specify an "exact" amount, meaning you need to check ...
3
votes
0answers
67 views

Where can I query the UTXO database?

Currently there are 35 million unspent transaction outputs. Is there a site somewhere where I can query this data to see, for instance, how many UTXO's exist with a value less than 20,000 satoshis? Or ...
1
vote
1answer
28 views

Do Miners have to get below the Target or the Bits value?

You get a specific Target value when you divide the maximum Target by the Difficulty. But when you convert the Target in to the Bits format, you're only taking the first 3 bytes of the Target and ...
0
votes
0answers
28 views

GUIMiner is connected, but stats are not showing up in pool

So I'm new to mining and trying to learn the basic ins and outs, (before investing a bunch of money into equipment.) Anyway, I have been trying to use GUIMiner because I like the user friendly ...
1
vote
1answer
32 views

Can I run bitcoind without BerkeleyDB 4.8 installed?

I am using a CentOS server to build Bitcoin from source. After installing all of Bitcoin's dependancies on this build server, I have successfully built bitcoind and bitcoin-cli (the two binaries that ...
0
votes
1answer
24 views

Version bits: Why did BitcoinXT choose to set THREE bits to 1 (0x20000007) to flag BIP101?

I understand the BIP9 version bits base is 0x20000000 because the BIP specifies that the first three bits must be 001 Bitcoin Classic adds one more "on" bit 0011... to make 0x30000000 Why did ...
0
votes
0answers
25 views

How Can I Solve Closed Bitcoin Account in Thailand?

I am using Thailand Bitcoin and I got much transfer in and transfer out everyday, then the company block my account. They said that I use too much bitcoin perday. Is there any solution?
3
votes
1answer
61 views

SegWit and SPV-mining. What if…?

Is the following scenario valid? Some unhonest segwit mining pool takes top-1000 segwit utxo and mines a block at height N with a transaction which transfers all funds to his p2pkh address This ...
1
vote
2answers
41 views

Bitcoin-qt console on cmd

Is there a way to interact with Bitcoin-qt from Windows cmd and run commands like if I'm running them from Bitcoin-qt console?
0
votes
0answers
40 views

Multibit HD Wallet Stuck For Days (Unconfirmed)

So MultiBit HD Wallet has been stuck for days and it's killing me. I've repaired the wallet numerous times but no luck. How can I proceed? 2nd time in the last week this has happened.. last time I was ...
2
votes
0answers
47 views

What hardware and bandwidth requirements would a server need to fulfill to run Bitcore?

What's the cost of running Bitcore on AWS or DigitalOcean? I know I'd need about 128gb of hardrive space, but I'm not sure how much the typical bandwidth costs would be, and how much RAM or cores I ...
4
votes
2answers
2k views

How does the Lightning network work in simple terms?

Could you please describe how the Lightning network is supposed to work? How does it scale better than pure blockchain transactions? What are the advantages and disadvantages of Lightning Network ...
0
votes
1answer
40 views

one time pad using blockchain

I am thinking if secure encryption like one time pad (OTP) is achievable using bitcoin blockchain? The reason is bitcoin blockchain size is over 70 GB, which could potentially encrypt/decrypt 70 GB ...
1
vote
1answer
50 views

Why isn't my transaction going through?

I'm using kryptokit to send my funds. I sent a transaction at about 10pm last night and here it is 10+ hrs later still unconfirmed. Is there a way to cancel it that's easy?
5
votes
1answer
30 views

PUSHDATA4 unnecessary?

Any data push greater than 520 bytes in a Bitcoin transaction is not allowed (https://github.com/bitcoin/bitcoin/blob/v0.10.0rc3/src/script/script.h#L18). The opcode OP_PUSHDATA4 specifies, that the ...
9
votes
2answers
720 views

How are paths found in Lightning Network?

I understand now how multihop payments can work in LN, but how do we discover payment paths in Lightning Network in the first place? Obviously you'd need to take into account the available capacity ...
0
votes
2answers
37 views

How do i get info from Bitcoin QT 0.7 to Bitcoin QT 0.11?

I'm having trouble with Bitcoin QT 0.11 not automatically extracting address info from my Bitcoin QT 0.7. When I try to open my Bitcoin QT wallet it comes up with an error code saying it is to unsafe ...
3
votes
1answer
52 views

Why are all redeem scripts standard, but only a few pubkey scripts?

As I understand it, only transactions with pubkey scripts conforming to a certain pattern are considered "standard" and are relayed, however a script is also considered standard regardless of its ...
1
vote
1answer
42 views

What can I do with Bitcoin Core to see my current balance?

I've waited 4 days now for Bitcoin Core v0.12.0 to synchronise the network and its getting really frustrating, especially when I still have 2 years and 38 weeks worth of the blockchain to download. ...
1
vote
1answer
27 views

How to track bitcoin wallet activity with extended public key?

I recently signed up on blockchain.info and on the manage addresses section I can see my wallet Extended Public Key (xPub). There is a warning message saying: You should only give this Extended ...
1
vote
2answers
45 views

Empirical analysis of blockchain branches: once every 380 blocks?

I've completed an empirical analysis of blockchain forks from block #300000 thru #400000. I found the following: (a) blockchain forks of length 1: observed every 380 blocks on average; (b) blockchain ...
0
votes
1answer
21 views

How can I create and distribute my own private blockchains in a scalable way?

I would like to experiment with blockchains in a controlled environment for fun and/or development purposes. Is there a way to do this easily?
1
vote
1answer
63 views

What happens when an attacker completely controlls your Internet connection?

Bitcoin assumes that everybody sees the same ledger. However, what if your ISP is evil, and modifies your view of the Bitcoin network? Is it possible for such an evil ISP to make your own transactions ...
0
votes
0answers
26 views

Can Namecoin names be stolen by repeatedly suppressing name_firstupdate?

Suppose that example.com is a domain name that has recently become very popular, and Alice, the owner of example.com, wants to register d/example in Namecoin. She broadcasts a name_new transaction ...
0
votes
1answer
50 views

Have a 0/unconfirmed transaction stuck over 12 hours [duplicate]

This is my first time using bitcoin and I've had a transaction stuck for over 12 hours. Any help getting confirmed would be appreciated. ...
1
vote
0answers
30 views

Doubt about the MultiBit wallet

I'm using the MultiBit wallet and I can't get my satoshis from faucetbox. I read on MultiBit page that the most secure way to receive a payment is generating a brand new wallet address. That's my ...
2
votes
0answers
24 views

./learncoind not connecting to DigitalOcean Droplet

I'm on video 5 of the Learncoin youtube series and I am getting an error when I try to run ./learncoind 2016-04-07 03:40:40 connect() failed after select(): Connection refused 2016-04-07 03:40:40 ...
0
votes
2answers
53 views

How do I remove hard coded seeds from the bitcoin source code?

I'm experimenting with blockchains at home and in my debug logs are lots of errors showing that my nodes are trying to get addresses from the hard coded seed nodes, I know I can use connect to turn ...
0
votes
0answers
19 views

Basic use of wallets [duplicate]

I have purchased a ledger wallet and browsed exchanges. Nowhere is the process of getting bitcoin stored in the wallet explained. I am not a techhead, so need plain english explanation please!
0
votes
1answer
30 views

Bitcoind daemon return “timeoffset” : -10,-15,-50,-60 and more

Bitcoind daemon return "timeoffset" : -10,-15,-50,-60 and more.. Timeoffset value is constantly increasing(decreases*) (~ "-1" per day), i dont can restart daemon with command -reindex / -rescan ...
0
votes
1answer
36 views

How do I relocate my bitcoin data in bitcoin-qt to save space?

I am a rather new Bitcoin user, running bitcoin-qt on Linux. However, due to limited disk space, the application is taking up too much of my drive. I'm guessing this is due to the ever-expanding ...
0
votes
1answer
63 views

Bitcoin adresses seem not to be collision resistant. Please tell me I am wrong [duplicate]

I am trying to understand Bitcoin addresses, but it does not seem to be easy at all. As far as I know, a Transaction uses one or more addresses as input and one or more addresses as output. Is this ...
1
vote
2answers
38 views

Bitcoin adress security questions

I am trying to understand Bitcoin addresses, but it does not seem to be easy at all. As far as I know, a transaction uses one or more addresses as input and one or more addresses as output. Is this ...
0
votes
0answers
23 views

Altcoins with plaintext transaction messaging

I'm looking to compile a list of altcoins with plaintext transaction messaging embedded into the blockchain. If anyone knows of a coin that fits the bill then please share.
1
vote
2answers
54 views

How can i send bitcoin using c# and the nbitcoin library?

I am using NBitcoin library to create my private keys and addresses, but I can't find an example of how to send Bitcoin. Does anyone have a c# example code to send Bitcoin using the NBitcoin library ...
4
votes
2answers
93 views

Where did the idea of blockchain come from? Git was already using it since 2005

With bitcoin's blockchain, each block's hash is computed with the previous block's hash. That makes all blocks an immutable chain. This is not the first time people used a hash-chain. As far as I ...
1
vote
1answer
33 views

How to find bitcoin balance via command line

I'm wondering how to find the balance a wallet for a full node on a command-line only linux box. bitcoin-cli doesn't seem to help here, and I'm not sure what else to try.
1
vote
1answer
35 views

Visualize Merkle tree

Do you have any ideas or suggestions how to visualize Merkle trees? For our open source project "Open Tracking" we create Merkle trees for thousands of tracking counters before putting the root hash ...
0
votes
0answers
12 views

Units of mining difficulty and hashing rate [duplicate]

I am trying to look for what are the units in which mining difficulty is measured, but haven't found much. Could anyone tell me this? Also, what exactly is the difference between mining difficulty and ...
1
vote
0answers
38 views

Do Bitcoin miners verify validity of merge-mined Namecoin blocks?

I've been reading a little about merged mining as used in Bitcoin and Namecoin. It seems like merged mining effectively eliminated Namecoin-only mining pools, right? Since Namecoin-only pools are ...
0
votes
1answer
82 views

How to build my own bitcoin system? [duplicate]

I want to know whether there exists any software that can let people create their own private personal Bitcoin, and mine their own Bitcoin. Or any other software that can let people issue their own ...
0
votes
3answers
84 views

How Bitcoin handles addresses collisions?

Since the addresses are hashes of a public portion of a public/private ECDSA keypair, what would happen to two different people with different keys that hashes into the same address? How would ...
1
vote
1answer
25 views

test net block time wrong

I can see http://tbtc.blockr.io/ time of block are showing "right now". When I click "all blocks" the time is two hours ahead of "now". I don't think it's blockr time zone problem, because 1) when I ...
0
votes
0answers
45 views

Can you mine Monero using sgminer?

I've been mining Monero using my sgminer. I pointed it at https://moneropool.com/, but i when i visit the site to see my stats i see that my address is not found. Is my miner not working?
1
vote
0answers
22 views

Bitcoin's OP_RETURN 40 bytes and change of ownership

I understand that you can write arbitrary data in Bitcoin's blockchain by using OP_RETURN and the 40 bytes it allows you to write. If I want to use that to store, for example, proof of ownership of ...
5
votes
3answers
81 views

Why is the witness data fee discounted by a factor of four?

I've read that it encourages users to consolidate UTXO sets. How would it be doing that?

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