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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.

0
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2answers
33 views

Where can I get bigger amount of test BTC?

We are conducting some testing with the end users of our application and I need a bigger amount of test BTC for it. Using faucets, I can get 0.1 or 0.01 per request with captcha, but I need something ...
1
vote
0answers
19 views

Enable dustRelayFee behavior on testnet to get error code 64: dust

Crafting and sending an utxo of 1 satoshi does works and get mined on testnet without error. However on mainnet the error code 64: dust arise. I understand the basic idea that you are not able to ...
5
votes
2answers
12k 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?
0
votes
0answers
25 views

Connection Refused when running bitcoind in a non-root user and trying to make RPC calls

I'm new to Bitcoin development and I'm currently having difficulties trying to make RPC calls to a Bitcoin-Core daemon running in a SSH server. I suppose that the problem is with Firewall or closed ...
0
votes
1answer
207 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: ...
0
votes
1answer
43 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: ...
2
votes
2answers
221 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" ...
0
votes
1answer
52 views

how to differentiate bitcoin-cli command when have testnet & mainnet both running

I have bitcoin testnet3, mainnet, regtest both running in the same server, I can interactive with them by curl, because the ports are different, but when comes to bitcoin-cli how can I specific the ...
0
votes
2answers
1k views

How can testnet CashAddr addresses be converted back to the old format?

I noticed on the new update of the Bitcoin Cash wallet (BitcoinABC) (for testnet and not sure for mainnet) that it has a weird beginning and address (e.g. bchtest:...
0
votes
1answer
241 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 ...
5
votes
1answer
991 views

Cannot create a transaction

I am trying to create a transaction on the bitcoin testnet, using bitcore: Error Message : SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data Here is my code: var ...
1
vote
1answer
20 views

Child Pays for Parent transactions get stuck on testnet

I'm building a service prototype by reusing Electrum code and generated 4 consequent transactions which are CPFP type on the testnet. They are staying unconfirmed for several hours but test ...
4
votes
1answer
894 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 ...
1
vote
1answer
69 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 ...
0
votes
1answer
43 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 ...
0
votes
0answers
14 views

bitcoind localhost port 18332: Connection refused Ubuntu 18

Trying to connect to testnet using curl from localhost on ubuntu server. Tried lots of combinations of bitcoin.conf and ports. Here's my config: server=1 daemon=1 testnet=1 rpcuser=user rpcpassword=...
3
votes
1answer
59 views

Could a transaction hex on testnet theoretically be valid on mainnet?

For all practical intents and purposes it seems a testnet tx hex could never be valid on mainnet because of the prev tx hex present for all inputs used in the tx. However, let's say that by some ...
0
votes
1answer
459 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" ...
6
votes
1answer
302 views

How to test if a transaction is standard without spending real money?

The problem with Testnet is all types of transactions are allowed, so how can I know if a transaction would be rejected on mainet ?
0
votes
1answer
67 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 ...
5
votes
1answer
821 views

Creating Mining Competition on regtest

As we know , Bitcoin core-Regtest is used to set up our own blockchain starting from Genesis Block. I have created Two nodes on my localhost running on different ports (I am using Windows 8.1). They ...
0
votes
0answers
41 views

How to assemble and test a script on Bitcoin testnet online?

Given a script using Multisig, how can I convert addresses to hash that can be used in the script then assemble the script and then launch it inside a transaction on Bitcoin testnet that can viewed on ...
-1
votes
1answer
43 views

How to setup a testnet full node on Windows 10?

I'm trying to implement an SPV and I'd like to test it on a testnet full node but can't really understand how to do it from what I've found.
0
votes
0answers
40 views

Testnet APIs for bitcoin sv?

I'm trying to write code in nodejs that can check balance of an address and send transaction. I'm using the bsv library in nodejs, and I'm stuck at 2 parts which concern to interacting with the ...
1
vote
1answer
64 views

getbalance and listaddressgroupings inconsistent

I imported a private key from my electrum wallet (testnet) to bitcoincore (testnet) as follow: In my electrum wallet, I copy the private key associated to the address ...
1
vote
1answer
65 views

Negative number of confirmations for a testnet transaction on blockexplorer

I am curious about the test transaction f72f59a32c1bac47ec87bc3678ec44e98eece5e235d29d79cd1f5461ccc5bf38. Depending on which site I view this transaction, the number of confirmations is positive or ...
0
votes
0answers
13 views

Is their a way to use Bitcoin's Testnet/LN Testnet within CLI without downloading Bitcoind?

I'd like to start working with Bitcoin's & Lightning's Testnet but don't want to download bitcoind on my current computer.
0
votes
1answer
81 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 ...
0
votes
0answers
65 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 ...
0
votes
0answers
27 views

Where would I test the Liquid Network at testnet?

I would like to test Liquid Network functions with recently announced Liquid Core. Can be Liquid Network used for Bitcoin testnet?
3
votes
1answer
788 views

Does the bitcoin testnet3 network support Segwit and OP_CSV?

As far as I know, Segregated Witness and OP_CHECKSEQUENCEVERIFY are the last features needed to be able to fully implement a trustless bi-directional payment channel, from start to finish. (...
0
votes
1answer
37 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 ...
6
votes
2answers
3k views

How do I generate coins on testnet? CPU, GPU, FPGA? Are there pools?

Is it possible to mine coins on testnet using CPU? GPU? How about FPGAs? Are there any pools running on testnet? The reason I am looking for this is so I can master the new API's relating to ...
0
votes
0answers
14 views

very frequent blocks on testnet3 [duplicate]

I see very frequent blocks on testnet3: more than 18000 since 2019-02-18T06:28:34Z, it's one per 1.76 seconds average. blockcypher.com states that highest block is 1458714, but my node got 1475843+. ...
1
vote
1answer
58 views

How to run a private bitcoin network with low difficulty?

I want to test and develop an open source mining pool. I don't have access to an ASIC miner or GPU, so I have to use my CPU to simulate mining and see how the pool really works. The problem is the ...
0
votes
2answers
132 views

Can I mine bitcoin testnet coins with my regular bitcoin asic miner?

Is it possible to use my bitcoin asic miner to mine testnet bitcoin coins? Is there special software I need? can I join a testnet pool or is there even such a thing?
1
vote
2answers
159 views

Bitnodes for node on testnet

I have used the bitnode's own script to install a full node on an Ubuntu 16.04 Digitalocean droplet. I can verify that my node is up and running by checking the IP with port 8333 on Bitnode's check ...
7
votes
2answers
748 views

Is there a Shapeshift service for Testnet coins to convert Bitcoins to other Altcoin testnet coins?

I'm building an app and I'm working with btc testnet coins, but I want to be able to convert them to other altcoin testnet coins. Is there such a service out there?
6
votes
3answers
2k views

Paying for testnet coins?

If testnet coins are this difficult to get, what's the chance people start throwing in some real money to speed along the process? If only to just have to not wait to test, say if you have an ...
21
votes
10answers
25k views

Is there any where to get free testnet Bitcoins?

I'm building a project with bitcoins and want to test it with testnet. However, I don't have any testnet bitcoins, and despite the difficulty being less than 100 usually, I still haven't been able to ...
3
votes
3answers
2k views

Block explorer with testnet raw hex data

Blockchain.info allows you to look at the raw hex of a transaction. But it doesn't have testnet functionality. Blockexplorer allows you to look at testnet, but I can't find a way to show the hex dump. ...
0
votes
0answers
19 views

How to Send BTC from vmnode address to local address using privatekey in testnet?

I created two bitcoin address in VM nod as well as local and dump privatekey for both addresses by using "dumpprivkey" command. Is there any posibitity to send BTC from bitcoin address which is ...
1
vote
1answer
75 views

How to perform automated mining in regtest mode?

I'm trying to setup a private network of bitcoin nodes for testing and experimentation. From what i understand, i have two choices while setting up a network: I can run bitcoind -testnet and connect ...
0
votes
0answers
20 views

BitCoin not signed in when trying to CreateInvoice

In code bellow I'm trying to create Bitcoin payment: var privateKey = "f267c05d4552b92825e46cfe056d6e3ff36072538f71d8c5acf3ebc4b09f4c87"; var key = new Key(Encoders.Hex.DecodeData(privateKey));...
3
votes
1answer
4k views

BlockChain.info testnet wallet and API

Does blockchain.info provide wallets and API service for testnet? This information is quite hard to find from their site.
1
vote
1answer
305 views

Bitcoinj wallet can't receive coins in Testnet3

I have a problem with bitcoinj. I have created a wallet and than trying to send coins to it in Testnet3 using this faucet: https://coinfaucet.eu/en/btc-testnet/ Coins sended, transaction confirmed, ...
1
vote
1answer
47 views

Security implications of removing CHECKSIG in a test

If I conduct an htlc transaction on testnet that does not include OP_CHECKSIG will it still cost an attacker more than (say) $10 in processing power or storage to subvert my tests? Details: I'm ...
6
votes
2answers
8k 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 ...
-1
votes
1answer
466 views

BCH ABC testnet Faucet?

I want a bitcoin cash ABC chain (BCHABC) testnet faucet. Cause 15th Nov. onwards after a hard fork on bitcoin cash network existing bch faucets are not working. Even questions over here are also not ...