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21 views

Pharmaceutical products [on hold]

Can pharmaceutical products be returned or sold to other customers using bitcoin as a form of payment if I was the seller. I am wondering because I am a pharmacist and have a lot of overstock and was ...
0
votes
1answer
39 views

Unconfirmed BTC transaction / TXID doesn't exist?

I recently tried sending some btc to coinbase. In a hurry I did not put a transaction fee. I've tried to explain to their customer support what is going on. I offered to charge me a fee through my ...
0
votes
1answer
19 views

My full node seems to be rejecting tor connections

I'm running my full node with bitcoin core v0.18.1 with a mostly default configuration on debian 9.11. Port 8333 is forwarded through my router and I have 20+ node connections, so can safely assume ...
2
votes
2answers
130 views

Other database besides UTXO?

In this post it is explained that the UTXO are removed after they are spent. This makes sense because they are not "unspent" anymore. But don't all UTXOs have a reference/connection to their ...
1
vote
0answers
37 views

Can BitML encode Lightning?

I have been reading the BitML paper. The language compiles to another language (Balzac [which in turn compiles to Bitcoin Script]), which can do relative and absolute timelocks. Balzac can also do ...
0
votes
1answer
23 views

Bitcoin qt 4.8.3 [duplicate]

Hi I recently tried to make a transaction to a coinbase btc wallet from my bitcoin qt 4.8.3 node/wallet. In a hurry I didn't add a transaction fee. So the fee is zero. I see on my end the ...
0
votes
1answer
18 views

Sweep all functionality for a Bitcoin Lightning private key using mobile, desktop, or cli wallet?

Bitcoin wallets have a sweep all function to transfer all coins from one private key to another. Is there such a feature in a bitcoin lightning wallet where you can sweep all coins from a lightning ...
0
votes
0answers
20 views

What is the best lightning bitcoin wallet for Android and iOS as of 2019 Oct? [closed]

Lightning Bitcoin has been out for a good year or so. Whats the best mobile wallet to use bitcoin lightning network?
1
vote
1answer
41 views

What does a Bitcoin lightning private key look like?

I know bitcoin private keys start with a 5... But how does a lightning bitcoin private key look like? Say I wanted to printed it out as a paper wallet.
1
vote
1answer
26 views

How to get all cryptocurrencies real-time statistics with no limit and free? [on hold]

How can we get almost all real-time information of cryptocurrencies (rates, transactions, live prices, blocks info, wallets, etc) for developing new cryptocurrency statistics and exchange reference (...
1
vote
0answers
14 views

TimeoutError: [WinError 10060] when trying to connect to bitcoin rpc from a pc on the same local area network

I have a laptop with win10 installed. It is now running a full bitcoin node perfectly. I am already able to make rpc requests from the laptop using python and get valid responses. The laptop is ...
0
votes
0answers
23 views

Are there big stores in France or Europe going to accept Bitcoin? [closed]

I want to know if more big stores in France or Europe will accept Bitcoin this year? I read that tobacco shops in France are going to sell Bitcoin: https://cryptobenelux.com/2019/10/11/5-200-...
0
votes
0answers
29 views

How is this 1 input 2 output tx larger than this 2 input 2 output tx?

A tx with only 1 input and 2 output is byte-wise smaller than a 2 input and 2 output tx. How is this possible? tx 1: https://blockstream.info/liquid/tx/...
1
vote
2answers
96 views

Blockchain Explorer says received but it's not received yet!

I sent some Bitcoin to my friends wallet since 2 days ago. It says approved and sent successfully on my end. And even on blockchain Explorer it says confirmed and received. But my friend says he hasn'...
7
votes
1answer
535 views

How many paths are tried on average before a payment succeeds in Lightning?

In Lightning, the sender can never be sure that a multi-hop payment will go through, as intermediary nodes don't announce the distribution of funds in their channels (only the total capacity). Is ...
-1
votes
0answers
26 views

Bitcoin Question

If I see the funds in my BlockChain wallet for example... I ask for $20 and see $20 in my wallet. Does that mean I don't have to wait for 3 confirmations and it's mine and mine to use now and they ...
1
vote
1answer
47 views

How do I get a full transaction index with Bitcoin Core?

How can I sync bitcoin full node so that I can access all details of transactions occurring on other nodes and other wallets also, like blockchain.info. I have synced a full node using below ...
1
vote
1answer
48 views

In Python RPC Calls, How is vout Address Derived for P2PK transaction?

How is the vout address derived for a P2PK transaction? I am using the Python API that ships with the bitcoin source code, in directory bitcoin/test/functional. I'm using regtest. I have written a ...
0
votes
1answer
16 views

CryptoCompare API gives wrong historical daily OHLC data

I am trying to use CryptoCompare to get historical daily OHLC data, but the data I get seems to be wrong. For example, the following query (timestamp=1507248000) will give you data where 'open' (66.43 ...
0
votes
1answer
47 views

Import watch-only address to 0.18 core wallet, addresses missing

I am running new bitcond server $bitcoin-cli importaddress '32om7Xx7GnwxkiAQjpp3hhayDX4mSNLmR1' 'label' false $ it seems added. Then I try to list all addresses in wallet it return empty list. $...
0
votes
1answer
24 views

Bitcoin transactions with multiple participants from input side

Is there any other type of bitcoin transactions with multiple partisipants from the input side except different types of CoinJoin transactions?
2
votes
1answer
61 views

Automate Bip39 seed recovery

I recently was locked out of my Ledger NanoS when I forgot the pin code. Upon trying to reset from my recovery phrase I realized that I only have 23 of the 24 required words (not sure how it happened ...
0
votes
0answers
17 views

What services will be necessary to support Bitcoin's mass adoption?

It would be ideal if everyone was able to operate their own full node and understand the technology, but in reality I don't see that happening. Beyond easy to use wallets, what third party services ...
2
votes
1answer
53 views

How do I sign a transaction in Python?

How do I sign a P2SH transaction in Python? I am using the Python API that ships with the bitcoin source code, in directory bitcoin/test/functional. I'm using regtest. Here is a fragment of my unit ...
1
vote
1answer
138 views

A Blockchain that merges mining forks and could be more power-efficient? [on hold]

I'm new to blockchain technology so I'm sorry if I'm using wrong terminology. This is not a Bitcoin question, but a general blockchain question. Imagine a theoretical blockchain that uses gradual ...
0
votes
0answers
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
vote
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?
0
votes
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. ...
0
votes
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 ...
0
votes
2answers
58 views

which hardware wallet has the most compatible design in crypto world? [closed]

I am looking forward for a hardware wallet that should be slim and sleek in design. I am doing a survey on all hardware wallets that are slim in design and easy to carry.I have found some hardware ...
0
votes
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
votes
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: ...
0
votes
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 ...
0
votes
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
votes
1answer
28 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
votes
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
votes
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
69 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 ...
0
votes
0answers
40 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
votes
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
votes
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
307 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
36 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
vote
2answers
37 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
27 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
votes
1answer
29 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 ...

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