All Questions

0
votes
1answer
25 views

What are the pros / cons of using Electrum 3.3.2 over Bitcoin core 0.17.1? And what about running your own Electrum Server?

Aside from not having to download the entire bitcoin blockchain when using electrum, what other advantages are there over using Bitcoin core 0.17.1? Also if I chose to use my own electrum server, ...
0
votes
0answers
10 views

CGMinner usable to detect gekkoscience USB U10 SHA256 minner

i am new person in mining. i have got slight issue while mining BITCOIN. currently i am using Cg-miner and gekkoscience USB U10 SHA256 minner on raspberry Pi3 machine. i have hot three ...
0
votes
1answer
30 views

Creating a raw bitcoin transaction and signing it with the private key using php and javascript

I have a full bitcoin core node setup and would like to use it to just "broadcast" my signed transactions. But what is required to make a raw transaction using PHP and Javascript? The variables I have ...
-2
votes
0answers
17 views

bitcoin-0.8.1 version how to generate exe file

i am try to get the exe file from bitcoin-0.8.1 version .In bitcoin latest version we can get easily exe file but bitcoin-0.8.1 version its not like latest version so if anyone can help to generate ...
1
vote
1answer
46 views

In which cases I could find funds locked in a failed route?

I received an invoice from node Z and my node (A) suggests me 4 possible routes. If the first two routes fail, are there cases in which funds get stuck into one of these routes until the HTLC expires?...
0
votes
0answers
20 views

SPV application for Omni layer

Is there anything like BitcoinJ, Electrum, BTCPay or a third party service to work with Tether USD (integrate USDT payment/exchange into my application)? Omni Core syncing time is too slow and I don't ...
0
votes
0answers
27 views

Need help with unspent bitcoin transaction [on hold]

I’m new here so sorry if I sound dumb lol Made a bitcoin transaction from blockchain into a wallet of mine 2 days ago. On the night I transferred, it did not appear in my wallet. The wallet ...
0
votes
0answers
13 views

Merkle hash tree

Does the Merkle hash tree always have to be a binary tree? If not then what will be the advantages if it is ternary, tertiary…or anything else?
-1
votes
1answer
27 views

Adding C library to Makefile

I am developing an altcoin using a new PoW algorithm which is written in C to test the algorithm. I get compilation errors related to compiling the C code when trying to compile. How can I properly ...
1
vote
2answers
52 views

Can a Lightning channel's initial BTC value be updated?

When an LN channel is created, it is funded with an initial BTC amount by at least one one peer. But given that most of the whole idea of LN is the existence of long running channels, I wonder if this ...
2
votes
1answer
28 views

Lightning Invoice QR-Code minimum size/display resolution?

what would be the minimum screen size to display lightning invoices as a qr-code? For the Raspberry Pi Zero I found these displays: 128x128 pixel LCD display (1.44 inch) 200x200 pixel e-paper/e-Ink ...
0
votes
1answer
20 views

A node can publish any block at any time. How? How to publish?

Can anyone tell me what to do to publish if I mined a block
0
votes
1answer
42 views

Is the idea of fraud proofs possible in reality?

I once read this on Twitter, which is said by Luke Dashjr, a Core dev: The original design was to have full nodes create proofs of invalid blocks, to alert SPV nodes to them. SPV nodes would then ...
0
votes
0answers
11 views

How do I payout my btc from slushpool? [on hold]

I have mined btc with asic miner on slushpool. How do I payout my money? 1)enter btc wallet in the settings.✔️ 2)WHAT NEXT?......
0
votes
0answers
29 views

Why is PoW 51% attack resistant?

I was trying to understand why PoW makes the blockchain 51% attack resistant. From my understanding, we can think of PoW as a way to assign a leader who would decide what the next block is. I can see ...
0
votes
1answer
9 views

How do I move the blockchain file location on windowns?

I tried to edit the storage information on bitcoin.info but neither the windowns 7 nor the Bitcoin qt could do it (it says that the app can't open the configuration file). So I tried to edit in the ...
0
votes
1answer
21 views

Coinbase Transaction Fees

I am new to Cryptocurrency and have established relationships with Coinbase, Coinbase Pro and Binance as recommended by friends as a novice investor and for educational purposes. My question is that ...
0
votes
2answers
15 views

Blockchain and ISO/OSI

I've heard blockchain is built on top of the ISO/OSI stack. Does it means blockchain belongs to the layer 7 (Application layer) of the Osi architecture?
2
votes
1answer
110 views

In ECDSA, why is (r,−s mod n) complementary to (r, s)?

I am trying to find resources in previous malleability posts, but couldn't find derivations/proofs of this fact or how the exact low-s value is derived. Any pointers would greatly appreciated.
0
votes
1answer
21 views

Getting “Can't run the JVM” when starting Ardor on Windows 10

When running Ardor 2.2.1 on Windows 10, I'm getting "Can't run the JVM" error. Also tried going to the command line and going to: C:\Program Files\Ardor and running run.bat It just pops open a ...
0
votes
0answers
5 views

Where is the downloaded Ardor blockchain stored on windows and linux?

Where can one find the location of the Ardor blockchain on Windows and Linux?
0
votes
1answer
20 views

Unomp does not support asic boost

I setup my unomp server and connect a cpuminer/minerd to it to mine bitcoin. Everything works like a charm. Then I connect my INNOSILICON T2 to it to mine bitcoin, it gives the following error: [2018-...
0
votes
0answers
10 views

SPV node in local machine [duplicate]

I have fullnode in my local machine, I'd like to have SPV node to understand how SPV works with merkle tree. With Bitcoin Core 0.17.1 I can have only full node?
-1
votes
1answer
20 views

Do exchanges use Bitcoin Core when managing user's bitcoin addresses?

I'm trying to learn to build out an exchange and would like to know how existing exchanges manage user's bitcoin addresses. Do they use Bitcoin Core or Electrum? And does each user have their own ...
0
votes
1answer
27 views

How public key is calculated from a base58 encoded private key?

I followed this post and created a private key for bitcoin wallet. The post says after finding the random 256 bit(32 bytes) integer the version number should be prepended and the checksum should be ...
0
votes
0answers
19 views

What happens when I restart my asic miner?

I'm new to mining bitcoin with asic miner. My question is, what happens when I replug my miner? I have connected it to a pool. And when I replug it, the pool is showing that I stoped mining.
0
votes
0answers
25 views

Why is liquid so inactive and (according to statistics) not being used yet?

After years of development 3 Months ago Liquid (the side chain project) was announced. If you look at https://liquid.horse/ you can find the following statistics as of right now: Sidechain Stats ...
0
votes
1answer
36 views

Why would apps use Lightning over an on-chain TX?

I'm trying to understand software orientated payment use-cases for Lightning payments. Given a web app that accepted BTC payments charged in Satoshi for a service - watching videos for example; why ...
0
votes
1answer
13 views

How does MPOS communicate with stratum server?

I'm setting up MPOS. There are 3 stratum server options: stratum-mining, NOMP, and CoiniumServ. How does MPOS talk with stratum server? AFAIK, MPOS does not speak stratum protocol. Is it through the ...
2
votes
0answers
36 views

Was the “Proof of keys” exercise “The Ultimate Stress Test”?

Yesterday was publicised as a "Proof of Keys" day when people with accounts on Bitcoin exchanges were urged to withdraw their balance into a stand-alone wallet for the day as a test whether the ...
0
votes
1answer
29 views

How to protect bitcoinj wallet?

I am a new BitcoinJ user, I have few questions related about its wallet, can anyone please help: Is there any way to encrypt the .wallet file? will anyone obtain a copy of the file be able to spend ...
4
votes
2answers
236 views

What criteria should be taken into account when selecting nodes to create new lightning channels with?

Alex Bosworth recently pointed out: I see people connect to a "well connected" node on LN and by that they mean they connect to a node with lots of channels. The number of channels is actually a ...
1
vote
3answers
41 views

Reason for Mininig a block without transaction

I came to know that there are people who mine a new block without any transaction. I understand that this is just to get the block reward. Reference https://www.blockchain.com/btc/block/...
-1
votes
0answers
29 views

Is that considered money laundering by Bitcoin in Germany?

Let's say I have 1000 Euro (in German bank account from legal income) because the German bank's interest is 0% so it is not wise to keep money in my bank account. In my home country (3rd world ...
-1
votes
2answers
26 views

BCH - estimatefee return -1

When I call estimatefee 1 in testnet it returns: -1 According to docs: If the node doesn’t have enough information to make an estimate, the value -1 will be returned But on my bitcoin-cli ...
2
votes
1answer
52 views

Anti-Virus Software Found Trojan from Electrum?

I downloaded electrum wallet 3.3.2 recently and installed it. But my anti-virus software detected a trojan from my wallet file. This has happened many times previously. Why do anti-virus softwares ...
1
vote
1answer
33 views

Can I use lightning for ERC-20 (Ethereum coins)

Just finished setting up my lightnig node. It is awesome!! Does anybody knows an implementation or documentation that explains how to make it work on rinkeby or ethereum mainnet?
0
votes
1answer
8 views

Open source updated blockchain explorer for altcoin

Is there updated blockchain explorer available to work with altcoin? I configured the most popular blockhain explorer: iquidus explorer but the transactions display table are limited on display, can'...
0
votes
1answer
16 views

Blcokchain corrupt ledger

What happen to the node if we find that node on blockchain has corrupt ledger? Is the ledger sync with other ledger or get discard.
1
vote
1answer
20 views

How to paginate through api?

I have looked at the following link:https://dashblockexplorer.com/api/txs/?block=990001, and I am wondering how to paginate. You may notice that pageTotal is equal to 5.
0
votes
2answers
54 views

How do exchange sites know all user deposit transactions?

If they use transaction/wallet listener, how do they detect deposit transactions when their services are not running, do they fetch blocks at every height to scan for deposits to avoid any missing? ...
3
votes
1answer
32 views

Can PUSHDATA/OP_RETURN be used to break a trail of transactions permanently?

I was reading the Bitcoin wiki on how the Bitcoin protocol has no "From" address and the closest thing to a from address is a "previously receiving address". The article then proceeds to show a ...
0
votes
2answers
48 views

Who is funding the Beam mimblewimble development team?

Since there is no-premine with the Beam mimblewimble project. How and who are funding their development?
3
votes
2answers
159 views

What are the differences from the 2 main mimblewimble implementations, BEAM vs GRIN?

Beam is being released tomorrow, but Grin has not yet. What are the main differences from these 2 mimblewimble implementations?
0
votes
0answers
205 views

Tutorial on Beam mimblewimble mining using Ubuntu 18 vm?

I have a Ubuntu 18 virtual machine setup, but where can one find a good tutorial on how to mine Beam? I'm planning to use my CPU to mine as I have a threadripper 1950x and dedicated 16 cores to the VM....
-1
votes
1answer
300 views

What is the total supply and mining rewards of the BEAM mimblewimble cyptocurrency?

Beam is a implementation of the mimblewimble paper. The mainnet launch is happening tomorrow (jan-3). What is the total supply and mining block rewards for Beam?
1
vote
0answers
40 views

Electrum giving RPCerror during a send transaction. “the transaction was rejected by network rules. Missing inputs”

In recent days due to the Electrum being attacked, I upgraded to the latest 3.3.2 Electrum. But now I'm getting the error as seen below: "the transaction was rejected by network rules. Missing ...
0
votes
1answer
11 views

Can you add more Dash to a masternode that already has 1000 Dash allocated for a masternode?

If I had 2000 dash and made a master node with it. Do I get double the rewards vs a masternode with 1000 dash? Or do I have to separate the 2000 dash into 2 separate 1000 dash masternodes, hence ...
4
votes
1answer
143 views

Lightning Network: asymmetry in the information tracked by each participant?

In following paper, written by Christian Decker et al., there is a paragraph that is not clear to me. eltoo: A Simple Layer2 Protocol for Bitcoin "The central idea of Lightning is to invalidate ...
0
votes
1answer
42 views

Modify vanitygen to generate from massive amount of given private key

I just using vanitygen recently & figure how to create address from a given hex private key, this is my code while (!vcp->vc_halt) { if (++npoints >= rekey_at) { ...

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