All Questions

Is there a code already written to achieve this, maybe in Python? Or how it can be done in SageMath? I am looking for something that prints what's going on under the hood regarding the process of ...

how to use bitcoinj for litecoin? any one give me that dependancy to me? I apologize if this has been asked, I have spent several hours trying to figure this out.

who is the best Successful trader in life and best way to become a best trader. i woould love to have reference of best traders on this forum.

Is it possible to create Bitcoin transactions of zero value, or in other words sending 0 bitcoin to an address?

When creating a transaction voucher on Ardor. Say alice wants to pay bob. Alice logs into her own account and and puts in Bob's address and 9 ignis to send. Alice also puts in her secret pass ...

Say I arbitrarily pick an address "abcdefg" (for example's sake), which does not exist in the network; no one "owns" the address. What happens when I attempt to make a transaction to this address? ...

Say I buy a coffee mug, a box of tea bags, and a half liter of honey in the span of five minutes using Bitcoin. Since the Bitcoin network creates a block every ten minutes or so, these transactions ...

In his recent paper, Vitalik often mentions the term "honest nodes". What do we mean by that exactly?

I’d like to know what is the latest block number, with bitcoind i’m using the rpc blockchaininfo and can read the inititalblockdownload that tells me if it’s synched, and the block number is also in ...

I downloaded the SHA- 256 algorithms form the following link [https://github.com/progranism/Open-Source-FPGA-Bitcoin-Miner][1] The problem is that they use altpll IP which is an Altera mega function ...

I recently bought some bitcoins and got them transferred to my bitcoin core wallet. My fault is that I did not do any research on bitcoin core and found out that it synchronizes with the bitcoin ...

are all nodes validate each transaction added in a new block? Because what if someone said I have completed block and added invalid transaction? and if others node just accepts a block without ...

Let's say we have a Blockchain consisting of 10 blocks, indexed from 0(Genesis Block) to 9(The last block). If the data of a block, say block 5, is changed(maliciously), the data stored on the block, ...

I know how fee is calculated in a transaction, but I don't know how this fee amount split into senders. For example, consider the following transaction with 0 BTC miner fee: inputs: Alice ...

I am new to block-chain. I want to create block-chain application with python. I also want to host it on server. I have worked on Ethereum block-chain. In this I host Ethereum decentralise ...

So if I wanted to send 1 satoshi from a Bitcoin address to the same address... Would this be possible? Would the transaction be recorded on the blockchain?

I got bitcoin. My traffic suppliers accept bank wire. We're talking about $20k at a time stuff. Is there a service that allows me to just pay with bitcoin and get someone else to transfer fund there.

I just want to understand what actually they store in the cold wallet because all bitcoins anyone owned is already in the blockchain. Do they store the private key of users in cold wallet?

I sent bitcoin from my wallet to Excash wallet address not knowing it wasn't up to the minimum wage they accept, now I have not been credited to my bank account yet neither do I have my bitcoin back ...

I think I understand multisig wallets: X out of Y signatures are required for a transaction to be made. My question is: is there such a thing as a multisig wallet where any ONE of the allowed ...

Can an online store located in Cheyenne, Wyoming accept bitcoin as payment for goods from customers in either Wyoming, or other states or countries, without collecting every customers Social Security ...

If i pay 0.001 to cloud mining site such az minezone.io or bitbase.club or 99quick.cloud, they give my balance or no

I was given an AntMiner A3, and I am not looking to mine any cryptocurrency. It'd be more useful for me if I could use it for hosting my own Linux server. Is it possible to load an operating system ...

From my understanding, Taproot uses a Merkle Tree structure whose root represents the outcome of a script. That representation is in the form of a signature that may unlock the inputs associated with ...

I was under the impression that an extended public key was comprised of the public key + chain code, and I'm unfamiliar with what comprises the extended private key. However this does not seem to be ...

Merkle Proofs are one of the main reasons that people attribute Bitcoin's use of Merkle Trees. But I'm struggling to understand how these work in practice. Please explain theoretically as well as ...

Hello Programming Friends, Can any experts quickly tell me how to disable the insanely high fee feature or raise it so it will not cause any warnings/errors in the future, see example below Solved. ...

I've seen and extended public key such as the one below xpub661MyMwAqRbcFLCsW67CH9AgprkK2MbeLbmdMiBRWb1Wamm6GjGhTFQChvPmwQGQh78MMd8Eu7CLJ7FEuwhsomD66XC74VnfgHdEx1NFSKL But now I've seen a bpub ...

I'm able to get to open up the wallet gui via the browser and go straight to the asset page, but how do I open up a transaction popup?

How nodes are being admitted to the system? Does each node have a sequential unique address? In other words, are bitcoin nodes considered structured or unstructured?

Say the entire bitcoin network topology looked this: A -- B -- C | D -- E -- F Then I bring up bitcoin clients on all nodes at the same time and the minimum number of bitcoin peers was only 2. ...

Is there a chart where it shows how much market cap is bitcoin compared to the rest?

During the summer of August 2018 with Bitcoin range of $5500-$6500. What were some of the major factors being discussed in the Bitcoin and Altcoin price drop?

It's been two days that I have received a transaction but the full amount has not been confirmed yet. Any idea on why this is happening? All it says under confirming is "The amount of bitcoin stored ...

This transaction results in 6 outputs in total. Why did it end up with having 4 unspent outputs? I read this answer from another question, and wondering, could it be because the user actually chooses ...

Does someone know what is difference between "consensus over state" and "consensus over events" ? I found just title of a reference i.e. "Ian Grigg, blog post “The Message is the Medium,” 2017." ...

On 13th August someone sent me BTC about 0.0016 to my blockchain wallet & i reveived it almost immediately than. 1hour later the same person sent me 2 BTC the transaction shows successful but i ...

This transaction is from one of the latest block. However I don't understand why it seems to be just dividing a single transaction without being spent and transferred to someone else.

I created a wallet on a SPV node. The wallet is initialized from a mnemonic. After receiving some transactions, the wallet's balance looks like: { account: -1, tx: 3, coin: 3, unconfirmed: 136300, ...

How can i get my btc transaction checksig as my two transactions to a particular address as being hanging for over a week now without been "equalverify checksig". It shows just "equal" I tried to ...

Why is double spending a problem. Suppose I have 1 bitcoin and I intend to send 1 btc to Alice and 1 btc to Bob. Once I send 1 btc to Alice, UTXO of 1btc will be unlocked,transferred to Alice.No ...

when I implements this two depencies in my project for btc implementation 'org.bitcoinj:bitcoinj-core:0.14.7' for bch implementation 'cash.bitcoinj:bitcoincashj-examples:0.14.5.2' this error will ...

BIP 32 allows me to derive keys based off a root key pair, and all these keys will be on the secp256k1 curve. That means I'll be able to use BIP 32 for other coins that are also based on your curve. ...

Is it correct to say that: In Bitcoin, it is crucial to incentivize miners by monetary reward, because mining process has significant monetary cost (energy/electricity cost). ? otherwise, mining ...

Once a valid proof has been generated (e.g., pp. 40-41 of the spec) and included into a transaction broadcasted publicly to the blockchain (pp. 29-31 of the spec)---with shielded inputs and ...

How the coins must be paid miners for mining process is provided? One of resources may be transactions fee. Is there any other resources for proving reward of miners?

Hypothetically, if you only have one node mining in the network, how much time does it take to solve for the nonce assuming for example the current difficulty?

I use https://chain.api.btc.com/v3/block/date/20151215 to achieve list of blocks and also use https://chain.api.btc.com/v3/tx/0eab89a271380b09987bcee5258fca91f28df4dadcedf892658b9bc261050d96?verbose=3 ...

Hi I'm looking for a way to send transactions and track incoming transactions using some kind of software&/database/code that will let me choose how much to send dependant on preset formulas from ...

My question relates to a 51% Attack. As far as I understand, for this to work the miner must have a secret fork of the main blockchain, which he will later announce, whenever it becomes longer than ...