All Questions

0
votes
0answers
3 views

Does BTC return fee in a failed transaction?

From wiki 'The fee may be collected by the miner who includes the transaction in a block.' wiki So I think it will return your fee , in a failed transaction.But I can't find any other article about ...
1
vote
1answer
6 views

Hosting bitcoin in Istio

I have been hosting my bitcion node in a simple Kuberenetes setup (without istio). I recently learnt about istio https://istio.io/ and want to use it for hosting my bitcoin node. However, I am not ...
1
vote
1answer
20 views

Could LN wallets be seamless?

Currently, the funds deposited in a payment channel cannot be sent on-chain without closing the channel. Similarly, the user must open a brand new channel in order to deposit some on-chain funds into ...
0
votes
0answers
12 views

How to sign multisig transaction in Go

I'm trying to sign a multisig transaction (3 of 4 signatories) in Go using some btcd packages. The following function should sign the transaction: func SignMultisigTransaction(rawTransaction []byte, ...
-2
votes
0answers
12 views

I can not make api key

I can not make api key. Alert appeare. I do not understand. Why? Please tell me How to make indiesquae SDK api key.
1
vote
1answer
17 views

Do I have to pay Fees on the Lightning Network if there is a Payment Failure?

Lightning nodes are talking fees for routing a payment. Will fees be charged anyway if a payment fails?
-1
votes
1answer
23 views

Limitation for minimum output size? AND a fixed per-transaction fee for payments in Bitcoin?

In the following article by http://lightning.network/ entitled: "The Bitcoin Lightning Network Summary", (Link to the article) is mentioned: "Lightning enables one to send funds down to 0.00000001 ...
0
votes
1answer
9 views

How does an SPV client forms a transaction which is then Broadcasted?

As per my understanding, an SPV client only keeps a track of the block headers in its own database. So when a user tries to send bitcoins using that particular SPV client, how is the transaction ...
-3
votes
1answer
94 views

Removing “hub-and-spoke” property of Lightning Network?

Lightning Network is based on this idea: "Near-zero fee transactions with hub-and-spoke micropayments" (Link to the article) proposed by Peter Todd. An article entitled: "Mathematical Proof That the ...
1
vote
1answer
16 views

Is the unencrypted copy of the wallet still usable after a copy is encrypted?

My wallet is not protected with a password, I have a few receiving addresses generated and a some funds in it, then I make a copy of the wallet and I set a password on this one. Will the old ...
-1
votes
0answers
14 views

Forking PIVX - ERROR: CheckBlockHeader() after compiling

I have fork PIVX and generated new genesis block hash, merkle root and nonce. It compiles fine and the daemon starts. But use 100% CPU and ..-cli getinfo will not show any. Also when in open the ...
0
votes
0answers
21 views

Coimarketcap api data different from coinmarketcap.com

I am using popular Coinmarketcap API request: https://pro-api.coinmarketcap.com/v1/cryptocurrency/listings/latest?limit=100&convert=ETH In response percentChangeFor24h and some other parameters ...
0
votes
1answer
25 views

Are there services which I can offer to earn bitcoins? [duplicate]

Yes, I am a noob at this. I was wondering if anyone could let me know if I could do something sitting on the desk to earn some crypto-pie. Also please explain how will I be able to use my bitcoins to ...
0
votes
0answers
10 views

Bitcoin Core 'unable to open file' causes reindexing to fail SOLVED

I recently struggled to send bitcoin from my Armory wallet (0.96.5) to another account. Sending bitcoin did not work because the wallet could not synchronize with the blockchain. Since Armory relies ...
0
votes
0answers
11 views

Recommended Bitcoin Frameworks to use for iOS Development?

I've been researching on this topic for a heavy long amount of time and I'm still not sure regarding this topic, any little insight, information you would share I'd be more than thankful to you. For ...
0
votes
1answer
15 views

Can you send a transaction from non-native segwit to native(bech32) segwit address?

Let's say I have a wallet with a non-native segwit address (prefixed with 3- like multisig). Can I send my utxos from this address to a native segwit (bech32) address?
0
votes
2answers
14 views

What are the cryptocurrencies of P2P technology?

For example, IPFS, Storj, PPIO, Sia, what are the differences between them?
1
vote
1answer
22 views

Non-spend Blockchain.com

A bitcoin trader opened a blockchain wallet for me and then sent me my profit but it is non-spendable. I know they can no longer get into my account because I changed the password and I have two-step ...
2
votes
2answers
30 views

How does the structure of a segwit block differ from a non-segwit block?

Is there any difference in the structure of a segwit block in comparison to a traditional non-segwit block? A diagram would be helpful if possible.
0
votes
0answers
36 views

Watch-only addresses inside segwit transactions

I'm using bitcoin core (via rpc api). I've generated one 2of2 multisig address on electrum wallet, and after that, I've imported that address into bitcoin core by using importaddress rpc method. When ...
1
vote
1answer
18 views

Why is the wtxid considered malleable?

Why is the wtxid considered malleable since the transaction is unconfirmed? How can a third-party modify it?
0
votes
2answers
31 views

Reference an UTXO of a transaction that has not been yet mined

How to reference an UTXO that has not been yet mined? I want to prepare a transaction and, before spreading it, use its UTXO as input for another relative timelocked transaction. Then, spread the ...
0
votes
2answers
28 views

How to fund a bidirectional payment channel?

Assuming two users want to create a bidirectional channel between themselves such that user_1 wants to pay 2 BTC to user_2 at the end and he divides this amount into 10 micro-payment (each micro-...
0
votes
1answer
12 views

I can not get btc on Copay wallet

1EcWMDBH3W6CLu5nM9CjvqbFZefvdv8y1a I send 2.48 btc to this add on Copay wallet. But now, i can see on Copay. Copay say: network error. Please help me!!
0
votes
2answers
49 views

how bitcoin reject invalid transaction? (with createrawtransaction)

i'm studying 'Mastering Bitcoin' and have a questions, in this book, we can send coin to other wallet by createrawtransaction but there is no enough secure method. we can find other's wallet ...
0
votes
1answer
22 views

How to calculate the transaction size?

Is it possible to calculate the transaction size from the transaction id ?
1
vote
2answers
31 views

How is proper fee rate got on Bitcoin Cash

I'm developing wallet system trading BTC, BCH and so on. In BTC, I'm using estimatesmartfee API to calculate by transaction size and relayfee to guarantee minimum fee and it works well. In BCH, though ...
3
votes
3answers
41 views

Does a bitcoin node broadcast that it is full synced?

When a bitcoin core node is fully synced, does it broadcast to the rest of the network that is has finished syncing? If yes, where in the bitcoin-core source code is this implemented?
2
votes
1answer
36 views

How does nSequence/Check Sequence Verify work?

How does relative timelock work? I mean, I know the theoretical description, but how to use nSequence concretely ? Can you do me a practical example with 2 sample transactions one of which locked with ...
0
votes
0answers
13 views

Installation problem with Bitcore.io on Mac

I'm normally not too brain-dead about this stuff, but I've been unable to force this one through. I'm trying to install Bitcore (per their instructions here) but and have set nvm to the LTS version 4,...
0
votes
2answers
31 views

How could a lightweight wallet determine the validity of 0-conf transaction?

I found that a lot of people are interested about security of 0-confirmation payments. But, it seems that most discussions focused on double-spending (like broadcasting two or more conflicting-but-...
0
votes
1answer
51 views

how long can it take me to get 1 BTC on mining speed 30.9945H/s and 72.99451H/s respectively

im new to this biticoin mining, i justed to know is it going to earn me anything soon where my mining speed is at 30.9945165416H/s and 72.9945165416H/s really? how long can it take me to get 1 BTC ...
0
votes
2answers
34 views

Sent BTC to public key instead of my address

Friend of mine was trying to buy BTC from ATM, instead of BTC address he scanned the public key from coinomi wallet (I dont know why the ATM accepted it, but it did). Is it possible to somehow access ...
1
vote
1answer
23 views

How to determine right address from address hash

I'm using private libbitcoin server and libbitcoin explorer. When I use bx fetxh-transaction, it returns something like: I'm trying to figure out, how to get right address from address_hash. When I ...
0
votes
1answer
12 views

How to subscribe for blockchain webhook

Please how do I get to subscribe to a BTC address to webhook for unconfirmed transactions?
0
votes
1answer
12 views

Getting weird error while sending with btc app

Not sure why this error message is coming up
1
vote
1answer
21 views

can not access via RPC to litecoin node

I set up a litecoin full node in AWS. I opened ports 22, 80 and 9332. Also from my laptop I cloned this project https://github.com/janoside/btc-rpc-explorer I executed on my local but unfortunately I ...
-1
votes
1answer
47 views

How to do a 51% attack on my own altcoin [on hold]

recently I have been curious about 51% attacks so I created a fork of litecoin and want to do a 51% attack on the coin but don't know how to. please can you tell me how to do it. Thanks,
1
vote
1answer
39 views

How do I know that the majority of bitcoin miners are not XYZ government's facilities?

Even if "Satoshi Nakamoto" is/was actually a real person, how can I be sure that XYZ government (XYZ can be US, or China, or ...) does not have now (or will not have in the future) 51% of the hashing ...
1
vote
1answer
34 views

Electrum's “script hash” form with NBitcoin?

I've come across how scripts are hashed in the electrum (stratum) protocol implementation by looking at the docs. I'm using NBitcoin, and I've tried to generate this hash from a segwit address, first ...
1
vote
1answer
23 views

Running lightning in prune mode

I am running lightning with the LND implementation and a full node. Nevertheless, I heard that it is possible to use Lighting in pruned mode. How is this possible? I read in the LND install ...
0
votes
0answers
10 views

Validate 3rd party transactions on Bitcoin-qt debug window

Is there a way to validate a random transaction via transaction ID on the debug window? Imagine I want to validate a transaction between 2 wallets I don't control. I believe its possible to check if ...
0
votes
1answer
22 views

Is the price of BTC transactions driven down by the influx of miners?

I'm wondering why Bitcoin transaction speed doesn't increase (and cost decrease) due to more people becoming miners all the time. Is it because the number of transactions is increasing even faster?
0
votes
0answers
13 views

BitCoin not signed in when trying to CreateInvoice

In code bellow I'm trying to create Bitcoin payment: var privateKey = "f267c05d4552b92825e46cfe056d6e3ff36072538f71d8c5acf3ebc4b09f4c87"; var key = new Key(Encoders.Hex.DecodeData(privateKey));...
0
votes
1answer
39 views

How to regain access to my coins? (unknown digital location) [on hold]

I transferred some bitcoin from my wallet in HitBTC to my wallet at Bittrex. Block Explorer shows the transfer completed. and so does Hit BTC. Bittrex claims they never got the crypto and there's ...
1
vote
1answer
35 views

How do 'Sphinx' invoice-less payments on the Lightning Network work?

There was recently a WIP draft published to the lnd Github, for a 'Sphinx payment mode' for Lightning Network nodes. To quote Roasbeef from the Github PR: [this allows] the ability to send a ...
0
votes
1answer
33 views

Transaction haven`t got

5 days ago some Pokerroom sent to my Bitcoin Core wallet a slight amount of bitcoin. I checked it on Blockchain, it's OK. But, unfortunately, still there is no bitcoins in my wallet. I've also sent ...
1
vote
1answer
36 views

Could decentralised proof of time in BCHSV solve for high PoW power consumption?

0-conf requires decentralised consensus of time in order to determine the order and time of each transaction. Bitcoin has a block time of 10 minutes achieved by brute forcing hashing algorithms of ...
0
votes
1answer
42 views

Errors when building/sending multisig transactions

Going by the example here: https://bitcoinj.github.io/working-with-contracts I believe I've done everything correctly. Yet my program fails either to propagate correctly or because of a tx error and ...
-1
votes
1answer
18 views

Maidsafecoin sent to Ledger Nano S

I sent maidsafecoin to a segwit Bitcoin address generated by my Ledger Nano S. My understanding is the coin is safe at the address and the Nano recorded the transaction as a very small amount of btc. ...

15 30 50 per page