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23 views

Creating a wallet [duplicate]

I need a wallet to buy bitcoin. I've tried Blockchain and Coinbase but could not figure out how to initiate the creation of a new wallet. What software is recommended?
1
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1answer
20 views

Multi-destination transaction from paper wallet

As far as I know, I can make a transaction to a single destination by sweeping/importing private key. How can I make a transaction to multiple destinations?
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0answers
11 views

Cannot find debug.log file for Merkle hash

I apologize if this is a stupid question, but I've spent ~2 weeks on this and I'm lost on this one. The coin compiles and when I enter the run command (./coind), the typical assertion error occurs. ...
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0answers
21 views

Why does Blockchain.com service gets stopped after a time?

I've installed Blockchain.com local machine on our server and ran its service using the command below: blockchain-wallet-service start --port 3000 It works well, but after an unknown time, it seems ...
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0answers
24 views

Blockchain.com API and needed amount

I have installed Blockchain.com platform on our server and ran some codes successfully based on its Wallet APIs. Regarding to what is said here, as we are testing this platform, we charged the created ...
0
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0answers
14 views

Esplora on local elementsregtest - parse failed: data not consumed entirely when explicitly deserializing

this is related to esplora (the block explorer) and its electrs backend API. Is it possible to run esplora for a just a local elementsregtest? When I launch electrs this is the error I receive back: ...
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2answers
36 views

How can I know that my transaction has been confirmed on the longer chain?

This question is more on the theory of bitcoin. Let's say I receive a coin in a tx which has been confirmed with 6 blocks following the block that's been confirmed. How can I be sure that there's no ...
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0answers
34 views

Bitcoin core causing reboot

I have been having an issue with bitcoin core lately. It has been causing my computer to randomly reboot about every hour or so. I was on version 17.1 but upgraded to 18.0 hoping that would fix the ...
0
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1answer
30 views

Partial transactions

I am new to cryptocurrencies. I want to transfer coins to multiple exchanges, how can I do it? Can I split coins from one wallet into the exchanges? Do I need a specific kind of wallet? And when I ...
-4
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0answers
38 views

Trading Platform

I am a new investor in online trading. I am looking for a new platform to invest. So, the platform has to be trusted And it has it's won coin. So that I can buy this and in the future it's value ...
0
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1answer
30 views

Multiple inputs with one signature

From this question I've learned that a transaction with N inputs requires N sign operations. But what if there a huge amount of inputs? E.g. I have a coffee shop and I sell 5000 pcs coffee every day ...
3
votes
1answer
93 views

Is it possible to generate an invoice for my lnd without having a connection to my lnd?

Is it possible to set up a merchant site where: The customer facing website generates valid lightning invoices, given some kind of master public key, that it gives users to pay The actual lnd server ...
1
vote
1answer
36 views

Does Bitcoin script support nested IFs (OP_IF or OP_NOTIF inside one another)?

For example can we convert the following code to a script? if(bool_1) { FOO1(); if(!bool_2) { FOO2(); } else { BAR1(); if(bool_3) { ...
1
vote
1answer
70 views

What happens if R is not revealed by one of Lightning Network nodes? (Payment cancelation)

Let's say we have route of 3 hops A -> B -> C -> D (A pays D). And in the middle of payment (revealing secret R stage) node C disappear from network. In this case B will be not able to finalise ...
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0answers
41 views

Unused Output Tree in the Blockchain

I have been reading about the security of thin clients and I came across the section that discusses the proposal of Unused Output Tree in the Block chain. Unused Output Tree in the Block chain (UOT)...
0
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1answer
47 views

Why do self-loops exist in the bitcoin transaction graph?

I have obtained bitcoin data from block explorer and created the transaction graph. The graph consists of millions of nodes and edges. i wrote a query that creates a relationship from source address ...
0
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0answers
19 views

Clarification on the UTXO expense [duplicate]

I want to clarify my doubt on the UTXO expense, I have one transaction, an example this and the use case for creating this transaction is bc1qz6qtgzkjnvzrf02tl8sczg7q8r0kkws0d5ly5s -> Send 0.00712451 ...
2
votes
1answer
32 views

Why doesn't RBF include restrictions on the outputs?

Why didn't the RBF specification include additional constraints on the replacing transaction, such as that it would need to contain the same outputs (with at least the original output amounts) as the ...
6
votes
1answer
309 views

Will Schnorr Multi-signatures completely replace ECDSA?

I stumbled upon the fact that schnorr signatures will most probably replace the current ECDSA system in a future BIP. Is it worth learning about ECDSA or this will become obsolete/useless/confusing ...
1
vote
1answer
38 views

Error Signing P2SH-P2WSH MultiSig - “Unable to sign input, invalid stack size (possibly missing key)”

I am trying to create and spend a P2SH-P2WSH transaction using bitcoin-cli but am getting "Unable to sign input, invalid stack size (possibly missing key)" when I try to sign the Multi-Sig transaction ...
1
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2answers
38 views

How do more leading zeroes make it more difficult to find a block?

A couple of articles describing the process of mining do say that the more miners are in the network, the more 0 numbers are included in the encoded hash of the particular block. I cannot find an ...
0
votes
1answer
31 views

configure: error: No working boost sleep implementation found

On Ubuntu 18.04 using the /depends for ./configure but I keep getting this error: checking for boostlib >= 1.47.0 (104700) includes in "/home/tony/crypto/bitcoin/depends/x86_64-pc-linux-gnu/share/....
2
votes
1answer
28 views

Could a malicious attacker subvert the Bitcoin network by failing to create a block?

I know its astronomically improbable, but say a malicious node "wins" the proof of work inherent to the Bitcoin protocol. If a malicious node simply waited indefinitely, or maliciously disconnected ...
-2
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1answer
30 views

use of base64 signature in a transaction

I understand that there are two types of signatures, one DER format and another a compact type signature which includes a base64 format. In building a raw transaction how is the base64 format of a ...
0
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0answers
14 views

How to run and access Blockchain.info platform on a remote server?

I've installed Blockchain.info local machine on a server and got an API key for it. But it seems it's designed to work only locally and on the port 3000. I need to call APIs from another server with a ...
-3
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0answers
26 views

simulate electrum client [duplicate]

A similar question was already asked here but there's no answer so far. In order to synchronize a batch of addresses (to get balance) how to simulate Electrum client to connect to electrumx ? ...
0
votes
1answer
24 views

Any good reason to prevent duplicated address in send transaction for Pos coin? [closed]

The use of sendmany in a PoS coin is an obvious source for preparing stake inputs, however it historically has been prevented to send to duplicate addresses in one transaction with such an error as "...
0
votes
2answers
71 views

Can I buy bitcoin at a lower price? [on hold]

Let's say that I have some money (not a lot) and I want to maximize how much bitcoin I can get. Is there a way, besides waiting and technical analysis, to get cheaper bitcoins through legal means? (In ...
0
votes
2answers
41 views

Is the 51% attack the only technical reason no country will adopt Bitcoin as a state currency?

Is the 51% attack the only technical reason no country will adopt Bitcoin as a state currency? Lets suppose a country with GDP size less than 300 Billion USD adopt the Bitcoin as an official currency. ...
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0answers
19 views

What does Google's quantum supremacy mean to Bitcoin? [duplicate]

Recently, there has been a heated discussion on the internet about a paper published by Google on NASA's website saying that Google has achieved the so-called "quantum supremacy", which generates ...
10
votes
1answer
1k views

Will the size of Bitcoin core full-node be too big to run on a normal computer?

I am a Bitcoin enthusiast, with no background knowledge in computer science and cryptography. I once ran Bitcoin core on my laptop but realized that it occupied too much space in my computer. I ...
2
votes
2answers
37 views

Who will be the future miners?

We know that the bitcoin for mining a block is going to converge to approximately zero as the number of bitcoins will be almost constant after a certain amount of time. So, mining will no more ...
0
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2answers
33 views

Send data to bitcoin blockchain

Is it possible to send a transaction containing hashed values in the body of it to no one? I explain better. I would like to store data on bitcoin and I would need to send a transaction containing ...
6
votes
2answers
136 views

What is the oldest Bitcoin Core Client that can in theory sync to the chain tip?

I've seen this question regarding the original Satoshi Client being able to sync to the chain tip. The main issues why it doesn't work were: Change in protocol messages IRC Node discovery is now ...
0
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0answers
23 views

Unconfirmed receiving transaction

I am yet to receive my bitcoin in my wallet and it has been confirmed to have been sent since 3rd of October. Wallet Id is 3DdZ6XLNVDa9cFScc32yJc6dMmiZoLGLHQ Please help
-1
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0answers
10 views

Help, first timer with these bitcoin ready to make purchases, I need help PLEASE! [duplicate]

IM new at the whole bitcoin era Im old school and I need help.I got Gemini as my bitcoin wallett on mobile phone and bought bitcoin and thought I was ready to Buy now come to find out I need another ...
1
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2answers
40 views

Is it possible to change private key

I would like to know if it's possible to change private key of bitcoin wallet via rpc call to bitcoind. Thank you for your answers
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0answers
20 views

Can you call PoW 2f resilient?

Can you call PoW 2f resilient if all nodes would have same hash power? PoW is called eventually consistence. Even in an asynchronous network. The only attack possible is 51% attack. Further, there is ...
0
votes
1answer
24 views

Where can one download Bitcoin Days Destroyed data? Alternately where to get data to calculate BDD?

I'm trying to find a source of downloadable (preferably csv) data for Bitcoin Days Destroyed. Alternately I can calculate it myself provided I can find the constituent data. In particular, I want to ...
0
votes
2answers
47 views

Difference between Sign Message and Sign Transaction

Using "Sign Message" one can prove ownership of an address. This happens by signing a human-readable string using the private key belonging to the address. The owner then provides the address, message ...
0
votes
1answer
21 views

How can I generate preimage for lightning network invoice? Should I?

I'm developing API library for LND REST API. Method POST /v1/invoices requires r_preimage parameter. Should I generate it or LND can do it itself if I'll not specify it? If I should do that - how to ...
0
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0answers
25 views

Help linking External Storage for bitcoin data using Raspberry Pi?

I mounted my external disk to wrong directory (wanted it to be ~/bitcoinData) , instead ended up creating a directory on SD card ( /home/pi/bitcoinData ) and now SD card (root) is full. i cannot seem ...
3
votes
1answer
55 views

Clarification on execution of complex script with OP_CHECKLOCKTIMEVERIFY

I'm quoting this example of BIP65 BIP 65 has this bitcoin script code IF <now + 3 months> CHECKLOCKTIMEVERIFY DROP <Lenny's pubkey> CHECKSIGVERIFY 1 ELSE 2 ENDIF <...
2
votes
1answer
30 views

Python implementation for LND path finding algorithm

The most common Lightning nodes use GO, C or Scala for their implementation. Is there any publicly available Python implementation for the path finding algorithm any of the most known clients use (LND,...
-1
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0answers
27 views
0
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2answers
30 views

Bitcoind in test network doesn't display transactions

Hello i'm setting up the bitcoin-core daemon, i use version 160300 ( but it is same problem with newer version ). I have made config like this: testnet.conf server=1 listen=50 listenonion=0 testnet=...
1
vote
1answer
34 views

Is Bitcoin Core required for wallet projects?

My team wants to create a cryptocurrency service provider platform to Sell/Buy BTC and something else in form of web/mobile app. It's about one month that I have been studying different articles about ...
3
votes
1answer
31 views

Finding paths NOT originating from you with lnd

I'm interested in finding paths from senders whose node you don't run to potential receivers. According to https://api.lightning.community/?python#queryroutes , you can do that by specifying the ...
1
vote
0answers
54 views

Bitcoin Private Key Decryption

At present, I have dumped my wallet and have all private key, address information. I am now wanting to understand the decryption process for the private keys within the wallet. I have completed the ...
3
votes
2answers
30 views

What defines the standard Bitcoin transaction size? [duplicate]

The Lightning Network specifications limit the number of (unsettled) HTLCs in a channel to 483 at each side (maximum 967 total). The rationale behind this is that the penalty transaction must be under ...

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