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15 views

Bitcoin testnet node crashes after getting fully synced

I have set up a bitcoin testnet node in ubuntu . It gets fully synced, after that the node crashes and shows this error "***SOCKET SENDING TIMEOUT***" in debug log. Ubuntu version - Distributor ID: ...
-1
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0answers
16 views

how can i move my balance from bitcoin core that is still synchronizing to block chain wa [duplicate]

I have bitcoin core that is synchronizing , how can get my bitcoin balance transfer to another wallet while is still synchronizing?
3
votes
1answer
55 views

How does the tx fee in sendmany method get calculated?

In sendmany there is a conf_target parameter with the comment "Confirmation target (in blocks)". Does that mean that Bitcoin Core implicitly calculates and sets a smart fee for a given block target? ...
0
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0answers
22 views

MultiBit HD wallet showing unconfirmed amount

another idiot here with an old MultiBit HD wallet who lost the wallet words. I had some HDD problems on my notebook and after solving them, my wallet suddenly shows balance to be 0, and an unconfirmed ...
0
votes
1answer
46 views

Is there any guarantee that mining will be profitable?

I'm not a money person. I deal with it only out of necessity. So say I have $1000.00 worth of Bitcoin and decide to enter the world of "mining". What's the physical process on my end and is there any ...
0
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0answers
26 views

What are the Advantages of Mainnet over Testnet?

In recent days most of the ICO's starting with test net then developing their own block with mainnet. I don't know why they are doing this. What are the reasons behind this starting with testnet and ...
0
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0answers
17 views

Bitcoin problems - not reaching recipient address

For the past few months any coin that I send from my wallet to an address does not reach it's intended destination. I have contacted both sides (both my wallet support and the intended recipeint) and ...
0
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2answers
80 views

Bitcoin address generation and UTXO scanning

I'm developing bitcoin payment processing application. I've two question to ask: In each bip32 address, How much UTXO each address should have to consider generating new address to avoid address re-...
0
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0answers
77 views

submitblock to btc-core fails to decode

I'm trying to create a little mining-script that connects over rpc to bitcoin core. I have problems following the documentation and all attempts to create a valid block (with dummy-nonce for testing) ...
0
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2answers
33 views

Why bitcoind does not respect rpcbind for testnet?

For some reason testnet does not respect bitcoin.conf RPC configuration: admin@az-bitcoind:~$ sudo netstat -natp | grep 8332 tcp 0 0 10.18.0.1:8332 0.0.0.0:* LISTEN ...
0
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2answers
45 views

What would happen if you tried to follow two Bitcoin blockchains from the same computer?

This will probably sound stupid but what would happen if you create an entirely new Bitcoin block chain and run it on the same computer. How does a node know which version of the Bitcoin block chain ...
0
votes
1answer
29 views

BitcoinCore Mobile Android Wallet

Does anyone know how to decrypted on a mac? I used openssl enc -aes-256-cbc -md md5 -a -in /Users/adriangonzalez/Desktop/bitcoin-wallet-backup-2019-06-26-22-20 -out ~/Desktop/file.txt Im using ...
0
votes
1answer
44 views

Privacy: How should I handle UTXO's?

We know that, for security and anonymity, we shouldn't reuse addresses. Also, there is the idea of change avoidance to protect ourselves from any number of change detection heuristics. But I find ...
0
votes
1answer
41 views

How much electricity and time would mining a bitcoin consume right now? [duplicate]

I live in an area where electricity is really cheap, I'm talking 0.003 USD per kilowatts/hour. I've searched myself around internet apparently it takes 15 000 kilowatts/hour of power to mine a bitcoin,...
2
votes
1answer
33 views

Why is a library's signature of a segwit tx different from Bitcoin Core signature?

I have been writing a (yet another) Bitcoin python library primarily for educational purposes; for me and my students. Signing a non-segwit transaction results in a signed tx that is identical to ...
0
votes
1answer
20 views

Is it normal all testnet p2wsh cosigners have same master public key?

Created a testnet p2wsh Electrum multisig 2 of 3 wallet. When I click on the radio buttons in Wallet/Information, all cosigners have same Vpub master public key. Normal? Asking because I am trying ...
0
votes
1answer
12 views

CDiskBlockIndex: NFile and NDataPos not defined

This is the source code snippet that is used for the serialization of block indexes (found in leveldb). Block 478573 index is (as of my node's leveldb) ...
0
votes
0answers
45 views

HTLC in blockchain regtest mode by creating transactions manually

I am trying to create a htlc smart contract manually by writing a script and finding the hex using the btcc compiler. Now node A has to create a transaction using that hex and lock money in that p2sh ...
0
votes
1answer
24 views

are checksums included in mnemonic seed phrases?

say i have 24 words. Out of those 24 words, is the 24th one the checksum. say i have: a1 b2 c3 d4 e5 f6 g7 h8 i9 j10 k11 l12 m13 n14 o15 p16 q17 r18 s19 t20 u21 v22 w23 x24 is x24 the checksum? or ...
0
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0answers
17 views

Are there any btc addresses that periodically create a transaction at a regular interval?

I'm looking for any known bitcoin addresses that send or receive money at regular intervals. For example, once per day, an amount from a hot wallet might be sent to a cold wallet. Are there any ...
0
votes
1answer
16 views

How to sign Bitcoin transactions using JCE?

I need to sign Bitcoin transactions using JCE primitives(no bitcoinj), but my signatures are not considered valid by bitcoinj. I tried to simulate this process. I created a random hash and signed it ...
0
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0answers
28 views

Make a metadata transaction without transferring bitcoins

Is it possible to make a metadata-only transaction without transferring bitcoins? (I know you should always pay a fee, but is it essential to transfer bitcoins in a transaction?) Thanks and regards!
0
votes
1answer
26 views

What's the easiest way to import a balance from a paper wallet private key (non-QR code) to coinbase?

I tried using BRD, but it only accepts QR Code imports.
0
votes
1answer
42 views

How to recover private key from 12-word passphrase?

I'm wondering if there's anyone out there who knows how to retrieve your private key using your 12-word passphrase? Your advice is much appreciated
0
votes
1answer
40 views

how can I recover my private key from my passphrase and password

I decided recently to get some BTC and bitcoin core was the storage solution I decided on. I downloaded the software, and all seemed good. No messages about storage or such. Around a month later I ...
1
vote
0answers
30 views

Bitcoin LND Lightning Network Daemon, pending open channel, opening transaction never confirmed

I'm running LND 0.7.0-beta on top of Bitcoind 0.18.0 and have a channel that has been pending on opening for more than a month now. It tried to open when I was still running LND 0.6.1-beta. The txid ...
0
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0answers
6 views

could'nt run wallettemplate project in bitcoinJ

I just forked bitcoinj and took the wallettemplate folder outside the bitcoinj folder to run it i've followed the steps in "getting started" docs now im stuck in trying to run the wallettemplate i ...
-1
votes
1answer
48 views

Used 12 word recovery seed phrase to restore wallet, then remembered my password to the old wallet

I can now log in using both the old wallet id and password for one, and the new wallet id and password for the other. Both wallets have the same funds from various crypto currencies. Is there a way to ...
0
votes
1answer
57 views

Bitcoin raw transaction with manually created redeem script

I am running bitcoin in regtest mode with 2 nodes bitcoinNode1 and bitcoinNode2.I have created a redeem script by writing the opcodes and converted into hex form using btcc. HP-ProBook-440-G4:~$ btcc ...
6
votes
1answer
258 views

What are the differences between Bitcoin and Libra?

Recently, Facebook announced to launch a crypto currency called "Libra". Libra is managed by associations under the name "Libra Association", see https://libra.org/en-US/association/. What are the ...
0
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0answers
11 views

Transactions unconfirmed by bitpay wallet bugging. Please help! [duplicate]

I made a mistake by spending 0.0117 btc while it not full confirmation (4/6). After that was some broken Transactions so I could not send my fund. The decide to try one last time, I log on and saw ...
2
votes
1answer
33 views

Does assumevalid lower the security of Bitcoin?

Bitcoin's assumption was to download the blocks and verify it in order to prevent getting fooled. But by default, the assumevalid option is enabled in the software, which, as I understand it, makes ...
1
vote
1answer
52 views

Can't perform remote JSON RPC to my Bitcoin node (C#)

I'm trying to perform a remote JSON RPC. It works fine using localhost but not if I try to do it from another computer. Here's what I have so far: int index = 0; HttpWebRequest ...
0
votes
1answer
30 views

OP_EQUAL not working properly

I went to https://siminchen.github.io/bitcoinIDE/build/editor.html to try some bitcoin scripting and I wrote this script: <1PUzZ61FSVTn12CafJC85Vy1ts3BoFcXdU> OP_HASH160 <...
1
vote
0answers
23 views

Can't inititate network handshake with my full node

I am running a custom Python script to initiate network handshakes with other nodes. While testing the code I decided to initiate an handshake with my own node but I am getting a timeout error. ...
0
votes
0answers
26 views

Will non-segwit addresses still be able to send bitcoin in 5+ years?

My public address starts with 1,and I can currently spend the Bitcoin from it. However, as more and more transactions become only segwit based, will miners eventually just abandon verifying ...
-1
votes
1answer
17 views

How can I send bitcoin from my bisq wallets?

I feel terrible to ask this question as it is so basic that it makes me feel stupid to ask, but I am searching the web since days and cannot find an answer. Here is the situation: I have a Coinbase ...
0
votes
0answers
27 views

Buying and selling Bitcoin on a hardware wallet and not sending to an exchange

How can I buy and sell my Bitcoin from a Trezor or Ledger hardware wallet, without sending Bitcoin to an exchange? For example, are there any hardware wallets that allow you to keep your Bitcoins on a ...
0
votes
0answers
14 views

Bitcoind implementation in online website

im new to this world and i would like to understand better. i have an online platform and i would like to recive bitcoin payments from end costumers directly to my wallet without using 3d party. i ...
0
votes
0answers
34 views

My unspent bitcoin is not in my wallet

I have a receive transaction that has processed and appears in blockchain. It appears as a unspent transaction. My problem is when while the transaction was processing my wallet began reloading the ...
0
votes
1answer
23 views

Bitcoin-cli cannot estimate fees

I am trying to send transaction using bitcoin-cli but I am constantly getting: admin@XXXX:~$ bitcoin-cli sendtoaddress "XXXXXXX" 0.1 "" "" false true 5 "ECONOMICAL" error code: -4 error message: Fee ...
0
votes
2answers
60 views

Does blockchain work like Git?

So the blockchain is a linked list structure, but the transaction chain is a DAG, that means that bitcoin works a bit like Git?
0
votes
1answer
52 views

Bitcoin API with bech32 support

Since a while, I have been using the insight-api to view bitcoin transactions. However, recently I have found out that bech32 addresses are not supported. Now I try to fix this issue and I am open ...
0
votes
2answers
36 views

What is a cryptocoin made of?

I want to know whether a cryptocoin is made of some piece of code or it is kind of a bill that says a person has transferred conceptual coin to another person when a transaction is published. If it is ...
1
vote
1answer
70 views

Chicken and Egg confusion over Bitcoin generation

If Bitcoin is rewarded through mining, and mining is the process of packing some transactions in a block(and adding that block successfully to the blockchain), and on the other hand, a transaction ...
2
votes
1answer
33 views

How to get the outbound and inbound capacity of a node using LND?

I expected to find an option on lncli to get the exact inbound and outbound capacity of my node, but this is not the case. What is the best way to have this information?
0
votes
1answer
40 views

How does one mine a fraction of a bitcoin?

I'm new to the whole bitcoin stuff. The stuff I've read about mining so far told me that when a node in blockchain finally finds the correct nonce for a block that can be accepted in blockchain, it ...
1
vote
1answer
32 views

Under what circumstances will a full node disconnect a peer?

I know a full node will disconnect from a node if that node "misbehaves". For example, a node's connection will be dropped if it sends too many messages that don't follow the rules (what rules?) and ...
6
votes
1answer
2k views

How do I delete a Bitcoin full node from my hard drive?

I was using Bitcoin Core as my wallet (recently installed), but a couple of hours of syncronizing, all of a sudden, I have no space at all in my hard drive. I deleted bitcoin Core, but that did ...
1
vote
1answer
26 views

How to listsinceblock mempool transactions?

I am using listsinceblock RPC call to show me transactions relevant to my wallet addresses only. Absolutely useful feature, but I cannot figure out how to include also mempool transactions. Is there ...

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