Questions tagged [testnet]

This tag should be used for questions regarding the third Bitcoin testnet. The testnet is a network separate from the main Bitcoin network that allows developers to attempt modifications of the bitcoin protocol safely and test in-development software without risking money.

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1answer
363 views

testnet.blockchain.info api not showing latest results?

I sent a transaction to the testnet address mzWCWQU6phb9rKSAiQ4FBU92sGYtY7tjPH a few days ago and I have been using the testnet.blockchain.info api for a while now in my project. It was working fine ...
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1answer
90 views

Issue when broadcasting Taproot transaction to older nodes

I'm trying to broadcast a Taproot transaction to random nodes across the network (Testnet3). When I try to broadcast to older nodes like 0.18.0, I get the error "Witness version reserved for soft-...
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1answer
358 views

Bitcoin Testnet API that allows transaction lookup and submission of raw transactions

I'm looking for a well developed, maintained and stable API allowing to access bitcoin testnet. Something like Infura for Ethereum. Googling gives many results, but can somebody point me out what is ...
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1answer
73 views

Where can I find taproot spend examples on testnet/signet?

I am in the middle of writing some Taproot libraries and would like some testnet/signet p2tr spends. Is there an easy way to find them? Most explorers don't have any filters like that. Even a list of ...
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3answers
1k views

Selling Test bitcoin

I have a random and maybe crazy question. Can I sell test coins? Someone recently told me that Advanced Market Terminal is buying them. It is strange to me Since they should hold no value.
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0answers
13 views

Connection Reset after sending mempool message

I build a python script to talk to bitcoin test nodes. When I'm sending mempool messages, my connection is getting is reset. Also sometimes when connecting to Jimmy Song's testnet node (testnet....
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2answers
1k views

Testnet Bitcoin wallet: which script in hash addresses?

Why does the Testnet Wallet create receiving addresses in the form of script hash addresses (prefix 2) instead of "plain" m/n-prefixed addresses? Is there any security reason? And, which ...
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1answer
664 views

Cannot synchronize with Bitcoin in testnet mode

I downloaded Bitcoin-QT for Windows 7 into: MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32 I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following ...
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1answer
844 views

How find own address in testnet using bitcoin-cli?

I have bitcoin-core installed, I am running it in testnet mode. Now if I want to fund my wallet, I need to know the receiving address. How do find my receiving address, so that I can fund it and then ...
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1answer
52 views

Can a wallet start with 20 and how can it be generated?

Someone claims a wallet can start with 2 on btc mainnet. How possible is dat. I knw 2 is the testnet pay 2 script wallet type. If its possible. How can it be generated?attached is an example of the ...
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0answers
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Bitcoin testnet vanity

I was wondering if there are any vanity address generator for bitcoin testnet? I have been able to find many vanity generators but they are not fast, vanity gen plus has testnet option but its not ...
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1answer
1k views

How to perform CPU mining on bitcoin TESTNET on Linux?

I need approximately 100 Bitcoin Testnet to run an experiment on the lightning network. Any suggestion on how to run CPU mining? Should I use cgminer? Make any sense to perform solo mining on ...
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1answer
1k views

How to import private key on testnet and verify balance of wallet?

I have a python library to create wallets and play around with private key generation and stuff like that. But i can't find any service / wallet - preferably online - where i could import my ...
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0answers
38 views

bitcoin-qt -testnet wallet dumped error EXCEPTION: NSt8ios_base7failureB5cxx11E

I got an error message but don't understand what to do now, to fix this. ************************ EXCEPTION: NSt8ios_base7failureB5cxx11E CDataStream::read(): end of data: iostream error ...
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1answer
48 views

What is the maximum channel capacity allowed on the Bitcoin testnet?

Using Electrum desktop wallet connected to the testnet, when trying to open a channel with the amount exceeding 0.16777215 BTC I get the following: Could not open channel. Exception('Requested ...
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1answer
110 views

Can I send BTC from other node or wallet with my address?

I'm trying to send bitcoins from node2 with my address using private key noted that my address is created in node1.I followed this link: "https://en.bitcoin.it/wiki/How_to_import_private_keys" I dump ...
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1answer
647 views

How to reset bitcoin testnet

I'm running a private bitcoin network and would like to reset the bitcoin blockchain data back to the genesis block. I've tried deleting all the files in ~/.bitcoin/blocks and ~/.bitcoin/wallets ...
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0answers
22 views

Why i can't get more node address in bitcoin testnet?

I get a address list from DNSseed of bitcoin testnet,and i try to connect these node and send getaddr message to them,but all addr message replied to me contain only one address and the address is ...
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2answers
68 views

What are the various Bitcoin nodes available which I can connect to via my lightning node

I am thinking of running my own lightning node in testnet. Going through the tutorials it seems the lightning node needs to be connected to bitcoin node inorder to get connected to bitcoin network. ...
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1answer
222 views

broadcasting error for raw bitcoin transaction testnet

I am trying to create a raw transaction and send it to the testnet. I am using testnet keys and here is the simplified readable output from my script: decoded private key: ...
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1answer
84 views

History of Bitcoin's Networks

Bitcoin main net was launched on January 3, 2009 at 19:15:05 UTC. But what is the history of the two other network options in Bitcoin: testnet and regtest? I think testnet is on version 3, what was ...
5
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1answer
582 views

Test Network Genesis Block

I am using BitcoinJ for my java application which fetches the test network's genesis block. I referred to the basics mentioned at JavaWorld and BitcoinJ's Google Code wiki. I am able to get it ...
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1answer
20 views

What is the BOLT 10 realm byte for testnet and signet DNS node discovery?

BOLT 10 describes a node discovery mechanism based on DNS. The query semantics include a realm byte that is 0 by default (Bitcoin). What is the realm byte for testnet and signet? This question was ...
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2answers
70 views

Should you be able to run a mainnet c-lightning node in parallel with a signet c-lightning node? What about an alternative Lightning implementation?

Running mainnet, testnet and signet Bitcoin Core full nodes on the same machine/same VM works fine. Is running say a c-lightning mainnet node in parallel with a c-lightning signet node on the same ...
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2answers
739 views

Blockchain.info testnet websocket doesn't work

When I try to connect testnet websocket provided by blockchain.info api. Connection doesn't establish, when i looked into the code. It says for testnet it uses "wss://ws.testnet.blockchain.info/inv" ...
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1answer
240 views

bitcoin testnet daemon stuck

I am running bitcoin testnet daemon for development, but lately I have trouble with starting the daemon. Blockchain is downloaded and it seems that everything runs fine till init message: ...
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4answers
8k views

Bitcoin config file to setup bitcoin node in testnet network in ubuntu

I am new to blockchain, I want to setup my node in testnet network in my ubuntu machine. I am using this below mentioned bitcoin.conf file. Is this the correct format to sync the node faster? Or I ...
4
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1answer
480 views

How to make a taproot transaction with bitcoin-cli?

Can you give a simple step-by-step example for a taproot transaction with bitcoin-cli on Testnet?
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2answers
343 views

Double spending on testnet or regtest?

I'm currently doing a research on bitcoin and I would like to know if there is anyway to replicate double spending in the testnet or regtest? If isn't possible is there any other type of "attacks" ...
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1answer
42 views

Select a fee based on confirmation time. How to implement it?

I'm developing a client on nodejs which connect to a bitcoin core node through JSON-RPC. I want the user to be able to select the fee they want based on the time (the same way bitcoin core GUI does it)...
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1answer
547 views

How to use litecoin testnet on fully synced litecoin core on amazon ec2 instance

I run a synced litecoind on amazon ec2 linux instance. [ec2-user@ip-xxx-xx-xx-xxx ~]$ litecoind -version Litecoin Core Daemon version v0.13.2.1 [ec2-user@ip-xxx-xx-xx-xxx ~]$ litecoin-cli ...
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1answer
164 views

How to send requests to a testnet faucet to collect coins at my address?

I am really new to Bitcoin and have just started reading about it. From what I understand testnet Bitcoin can only be requested every 12 hours or so and yields a very low quantity. I would like to ...
4
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1answer
1k views

Building Signed Bitcoin Transaction in Java

I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there is ...
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1answer
134 views

I can't send a transaction from electrums cli

I am trying to send a transaction in the cli using electrum with the command ~$ electrum --testnet payto mvYrQck9VfujSanmwvQxiLab3fLuywGdvh 0.01 -f 0.002 Password: (I entered the correct password ...
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12answers
17k views

Is there a blockchain.info for testnet?

I'm trying to test to see if transactions went through or not and blockchain.info is super helpful for this on the real network.
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3answers
21k views

How to generate a testnet address?

Bitcoin addresses can be generated on this site https://www.bitaddress.org, but the test network needs m or n at the beginning of the address, where can those be generated?
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1answer
42 views

Blockcypher new transaction request returning more than input and output

I am new to Bitcoin and Blockchain, and Blockcypher.. I am trying to use Blockcypher APIs to create (and sign) and send a transaction (on testnet). The request i provide has 1 input and 1 output, but ...
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1answer
237 views

Bitcoin-qt -testnet 0.17.1 Send and Receive buttons do nothing

Fully synced on testnet blockchain after building Bitcoin with UI and wallet enabled on Ubuntu 18.10. Pressing Send and Receive buttons results in no UI displayed. Receiving addresses dialog doesn't ...
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2answers
79 views

i received BTC on testnet and the sender said that it is de-activated..it will be activated after I pay a certain fee? [duplicate]

a trader sent me 2 bitcoins on testnet to show that i will receive more after they activate it...I have to pay a certain fee before they activate it
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0answers
69 views

P2TR outputs on testnet [duplicate]

Anthony Towns shared that Taproot is activated on Testnet. I am not sure if we can create P2TR outputs easily on Testnet right now based on this Q&A by Michael Folkson: How can I spend from a P2TR ...
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1answer
4k views

trouble with bitcoin cli regtest

These are the commands I'm running after building a clean ubuntu docker image with all the dependencies: ./src/bitcoin-cli -regtest & It yields the error: error: too few parameters (need at least ...
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1answer
585 views

How do I get set up on Signet?

I have heard about Signet here and here. How do I get set up on Signet?
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1answer
469 views

Can you break down what data is encoded into a bech32 address?

Can you break down what data is encoded into a bech32 address? e.g. bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4 How do bech32 addresses on testnet, regtest, signet compare?
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2answers
2k views

How to check if node is on TestNet or MainNet via `bitcoin-cli`?

Is there a way, by using bitcoin-cli using RPC querying, if the node I'm querying is running on MainNet or TestNet? Thanks
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5answers
5k views

How to check testnet address balance

I have an address mpc1rKeaMSCuQnJevMViLuq8uWjHwgdjiV I check it via json rpc and get balance = 4.6 with 6 confirmations When I check http://blockexplorer.com/testnet/address/...
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3answers
1k views

Bitcore Testnet API

Does anyone know if Bitcore offer a testnet API to play around with? I'm implementing an Escrow system using the API and Node.js Thanks.
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2answers
12k views

To run bitcoin core testnet on Ubuntu 16.04

How can I run Bitcoin core testnet version on ubuntu 16.04 platform ? I am getting so many reference about how to run bitcoin core mainnet but it will take around 20 days to synchronize with the ...
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0answers
48 views

How can I mine a block, in C#, on a new Testnet network where no other miners exist?

I want to demonstrate how to use NBitcoin or the most simple C# function to collect transactions for use in a block then sign that block submit it into the Bitcoin-QT network client on the RPC port? ...
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1answer
61 views

How to test RBF on Testnet?

I'd like to do RBF testing on testnet. I'd like to simulate a transaction with too-low fees, aka "stuck" transaction, and then RBF it in various ways. Problem is, all testnet transactions ...
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2answers
957 views

What are the key differences between regtest and the proposed signet?

What are the key differences between regtest and the proposed signet? One of the key differences is that using regtest is not ideal for public networks as anyone anywhere can just rewrite the ...

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