All Questions

2
votes
1answer
73 views

Is there a solution to paying high fees when opening and closing lightning channels once we hit a fee only market?

Paying several hundred dollars to open and close a lightning channel seems uneconomical. This is a common argument against lightning by big blockers, I’m yet to read a valid argument against this.
-1
votes
0answers
6 views

How to fork DASH

I have a task to fork DASH coin need some and guidelines to do so. It will be very nice if anyone can share information regarding that. I am trying to watch litecoin tutorial to take guide but having ...
0
votes
0answers
11 views

Miner transaction selection considering sigops

There is a limit on how much a block can sigop (set to 80000?). There is also a limit on how much a single transaction can sigop (set to 16000?). It thus seems possible (and if it's not possible, the ...
0
votes
0answers
13 views

Why binance sends small amount into another utxo while sending to cold wallet?

I believe address 1NDyJtNTjmwk5xPNhjgAMu4HDHigtobu1s belongs to Binance If you look a this transaction for example https://blockchair.com/bitcoin/transaction/...
0
votes
1answer
15 views

What database tables structure do bitcoin uses?

What databases do bitcoin core (nodes) uses? And how looks tables structure? I can't find it anywhere...
3
votes
1answer
24 views

Hardened Keys vs Normal Keys - A Simpler Explanation

I'm trying to better understand hardened keys and normal keys and how the former protects the rest of and HD wallet. Following on from the answer provided here: ELI5: What's the difference ...
2
votes
1answer
75 views

How i can extract all bitcoin output addresses from tx message?

I want to extract output addresses from tx messages in any bitcoin pcap. currently, i extract tx messages which it's output script starts with "0x76" or "0xA9", but i don't know how can i extract the ...
0
votes
1answer
18 views

How to get number of transaction confirmation from bitcoind?

I have a question, How can I get the number of transaction confirmation by using bitcoind? for example: https://live.blockcypher.com/btc-testnet/tx/...
1
vote
2answers
45 views

How to extract raw script from tx messages when the output script starts with 0xA9?

I'm working on extracting output addresses from tx messages in BITCOIN packets. Currently, I extract address from output scripts which starts with 0x76(OP_DUP) like this : 76 a9 14 6d 1d 74 58 95 6e ...
0
votes
0answers
13 views

add mysql dependency configure.ac bitcoin

i am working on bitcoin code, my aim is to move blockchain data to relational db but i am not able to resolve mysql dependency for different platform, platform includes mac and ubuntu. I have tried ...
0
votes
1answer
25 views

What happens when bitcoin drops and i add more money to my wallet

If i have $1000 worth of bitcoin with the current price of bitcoin at $7000, then later on bitcoin dropa to $6500, normally i know ths money in my wallet will drop. But my question is what will happen ...
1
vote
1answer
21 views

How Lightning Networks protect itself from 'Selfish Mining'?

It is a well accepted fact that mining pools do engage in 'selfish mining' by not broadcasting a block to the network when they find a PoW solution, but building on top of that block so as to maximize ...
1
vote
3answers
99 views

Can the bitcoin lightning network support more than 8 decimal places?

Say Bitcoin goes to 1 a million dollars. We need more decimals, but btc core only supports 8 decimals? By that time its safe to assume everyone will be using lightning to do transactions, but will ...
0
votes
1answer
17 views

Is there a bitcoin explorer that can visualize where the coins are flowing from one address into another?

I remember playing with a bitcoin explorer tool awhile back where one can input a bitcoin address and see all the coins flowing into it in a tree like structure. I want to be able to investigate where ...
0
votes
0answers
15 views

Are there ways to earn bitcoin for playing mud games?

I play a lot of mud games like Genesis LPMud and have gotten really good at playing it, I want to know if there is ways to gain bitcoin for playing games like that. I want to be able to get a small ...
1
vote
1answer
12 views

How many channels of Lightning Network can I open in one transaction?

To open channel I should create a transaction with a special script and at least one output to P2WSH address. Is it possible to open more than one channel in one transaction if I created transaction ...
0
votes
0answers
19 views

How can I generate a bitcoin address offline in Python?

I am new to python and bitcoin so please bear with my question. I want to integrate bitcoin as a payment method in my platform, I want to use 3rd party api service for sending transactions to block-...
0
votes
0answers
7 views

Bcoin initial blockchain sync progress isn't saved

I'm using bcoin and it's class FullNode to run a full Bitcoin Node. Here's the configuration: const node = new bcoin.FullNode({ prefix: '/mnt/d/bcoin', network: 'testnet', ...
2
votes
2answers
29 views

How can a single funded channel become bidirectional?

Is it possible that funding transaction of Lightning Network channel has got just one input? And if yes will it be one-directional during whole period of channel existence? Or after some off-chain ...
0
votes
0answers
9 views

How to replicate getaccountaddress behaviour using getnewaddress and labels api

The problem is getaccountaddress is getting deprecated and it has specific behaviour (not related to accounts) I'm relying heavily on. It gives you the same address between multiple calls as long as ...
0
votes
1answer
30 views

incorrect passphrase

Here's goes the steps that lead me to a wallet passphrase error: OS: Mac Mojave (64bits) Started bitcoin-qt app to sync (long outdated) While managing to solve disk size errors (external drive), I ...
1
vote
1answer
28 views

Finding mixed transaction

I have a hard time understanding how mixed transactions can be recongnized on the blockchain. Is this type of transaction a mixed one ? https://www.blockchain.com/fr/btc/tx/...
1
vote
1answer
31 views

How do blockchains in each nodes maintain consistency?

What I understand as (Please correct me if any statement is wrong) Every full node tries to generate a new block, in which different amount of transactions are included and what to be included will ...
0
votes
1answer
26 views

How to create valid P2SH-address with Bitwasp-Library that can be used with Electrum?

There is something I didn't understand regarding different Address formats. In short: I create a Master key, import it via xprv-Key into Electrum, generate P2SH and P2WSH-Adresses, send Coins to it ...
0
votes
1answer
22 views

How to accept bitcoin and giving each user a unique address amd automatic withdrawal

I want to create a website when users on singing up will get a unique address and after getting my websites service,they can withdrawal the money also automatically. Is that bitcoin integration free ? ...
1
vote
0answers
35 views

What are the benefits of running a crypto exchange website?

Getting straight to the question. Say I want to run a cryptocurrency exchange platform where people could come and buy/sell Bitcoin or Altcoin. The way I understood I have to partner up with a Bank in ...
0
votes
1answer
25 views

How do websites sell cryptocurrency with fiat payments?

I'm trying to create a platform to sell cryptocurrencies in my country. the way it works is, the user enters my website, select a coin he wants to buy then the amount he/she wants to buy, he pays in ...
1
vote
2answers
23 views

Trying to understand extended keys

I'm slowly getting educated about how the blockchain and Bitcoin addresses work. I now understand why it is more secure to use a different Bitcoin address for every transaction you make but I'm now ...
0
votes
1answer
32 views

Bitcoin Public Key To Address Uncompressed

So after searching for HOURS on here and overall on the internet, I haven't managed to find an answer to my question so I'll ask here. So I've been trying to convert a public key into an address. I'...
-1
votes
0answers
12 views

Service invoked too many times for one day: properties get. (line 183)

I have uninstalled 'managed apps' Cleared Cache Restarted my computer Still not working. At one time your cryptofinance used to work flawlessles with google sheets. Now I can't get it to even work ...
0
votes
0answers
22 views

Accept mastercard visa but withdraw crypto

I want to start an online business and I want to make it global. I want people to pay their preferred way (using visa, mastercard or others) and I get that money in cryptocurrency (any) Is there a ...
0
votes
1answer
17 views

MY BTC at Block chain is non spendable [on hold]

how can i recover back my btc at blockchain, it has the status non-spendable and i do not have private key, i had logged at the blackchain and been verified suddenly blockchain logged me out and try ...
2
votes
0answers
34 views

Is there a way to get stats about fees paid (highest, lowest, average) in a specific block?

I'd prefer to get the stats from my full node via bitcoin-cli, but if that's not possible some API would do the job too...
0
votes
1answer
14 views

P2P getHeaders message - how to get block locator hashes

I'm trying to build my own block explorer So that I need to use p2p bitcoin protocol. For that I'm using btcd (golang) lib. According to bitcoin book I have to send version message (and receive ...
0
votes
1answer
30 views

How does a Bitcoin (Core) wallet use inputs?

When creating a new transaction, how does the Bitcoin Core wallet (or any other wallet) handle/use the outputs (UTXO's)? e.g. when 2 outputs have to be used, will Bitcoin spend the highest address (...
0
votes
1answer
21 views

Can a Bitcoin node create an outgoing connection to a inbound node?

I'm trying to figure out if we can create an outgoing connection to a inbound node (a node which we are already connected to, but the remote peer has initiated the connection). I know that this does ...
0
votes
2answers
28 views

bitcoin recovery when exchange ceases business

I had bitcoins with Coinroom exchange but I see they are gone. They should be independent of the exchange that manages them I assume. How do I recover my bitcoins or get them allocated to another ...
0
votes
1answer
23 views

How can I create HTLCs below dust_limit_satoshi in Lightning Network?

BOLT#2 documentation for open_channel message has two points (dust_limit_satoshi and htlc_min_msat) in the data message that I found confusing. Below is the statement related to dust_limit_satoshi: ...
-1
votes
1answer
12 views

huobi coins not appearing [on hold]

some coins from HUOBI give me the following error: Error: Market "MDS/USDT" not available on HUOBI. (línea 238). I own those coins in huobi and all got errors HC MDS OCN WICC HT EOS any idea on this ...
1
vote
1answer
24 views

Where is a tx located before finalized with the sequence number or locktime?

My understand, for a tx, before it finalized with the locktime, it can not go into mempool. But, which specified location is the tx to stay for waiting the locktime come. Similiar, for before the ...
0
votes
1answer
26 views

Do Full Nodes validate all transactions and make new blocks after all bitcoin are mined?

Do Full Nodes validate all transactions after all bitcoin are mined? A fork of bitcoin core with all coins pre mined would be behaving in this way too I'd imagine..? Also, would these nodes still ...
1
vote
2answers
26 views

Bitcoin Core switch to release version?

Running on Ubuntu 18.04, I have built Bitcoin Core from source, but the version is 0.18.99, and I would like to be running 0.18.0. I checked out v0.18.0, and went through the build steps again, yet it ...
0
votes
0answers
11 views

Omni assets and Bitcoin

I noticed that sometimes people rebind omni assets to new bitcoins. For example, If someone had bitcoins and then got some another bitcoins and omni assets which were bound to this bitcoins. And then ...
0
votes
2answers
34 views

Bitcoin transaction location

I transferred my Bitcoin from my Exodus desktop wallet to another location. How can I find out, if possible, the exchange I sent it to that has my account? Is there any way to see the transaction code ...
-1
votes
0answers
18 views

my add-on is no longer working [closed]

I am monthly subscriber and usually, I would select: Add-ons -> CRYPTOFINANCE -> Set Data Availability plan API Key This would resolve issue. Now I get message: "We're sorry, a server error ...
0
votes
0answers
26 views

Where is the Bitmex main datacenter located?

I am a High Frequency Trader and need to have a machine as close as possible to Bitmex. I tried do do a Traceroute but it is behind Cloudfare so it is not possible to know the real datacenter location....
0
votes
1answer
19 views

How does this time-stamping system work?

There is an online tool called Proof of Existence which uses the bitcoin blockchain to time-stamp documents. I'm reading the documentation but I fail to see how it works. I understand that it adds ...
0
votes
0answers
23 views

wallet.dat from 2014 shown as empty with latest client 0.18

I have bitcoin wallet from 2014. I have saved it encrypted. Since then I haven't checked it, until now. I did sync the whole bitcoin block-chain and when copy my wallet.dat and re-scan wit the ...
0
votes
0answers
8 views

Dai [DAI] stablecoin Consensus Mechanism?

What is the Protocol (name of the Blockchain Protocol) of Dai [DAI] stablecoin and what is its Consensus Mechanism?
2
votes
1answer
28 views

What is correct way to count LN node stats

I am running a LN node. Set up monitoring to collect stats. Now i am wondering, how can i get correct conclusions about what collected information actually is. My question is about forward (...

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