4 votes
Accepted

How to fetch the latest unspent transaction by an address using bitcoind?

Bitcoind does not index transactions for non-wallet addresses. If you wish to build this yourself, you will need to: Enable txindex=1 in your bitcoin.conf Rescan the chain Set up blocknotify and then ...
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  • 16.4k
3 votes

my coin transferred on 17 Dec and confirmed on 31 Dec still showing unspent on 5 Jan

That transaction is valid and confirmed. "Unspent" in the right-hand column means that the outputs have not been spent. The funds are still sitting in the 1965... and 144f... addresses and have not ...
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3 votes

What can I do with "unspent" transactions? Can I transmit them to a chain?

When someone sends you bitcoins, they do so by submitting a Bitcoin transaction to the network. Transactions specify which coins they spend in the inputs, and allocate the funds to new owners on the ...
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  • 62.3k
2 votes
Accepted

How to Get Unspent Transaction Outputs from Node

listunspent will list all unspent outputs of addresses the wallets controls, it will not work for any arbitrary address. You can importaddress to add any address as a watch-only address, but this may ...
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  • 17.2k
2 votes

Can I generate an address without using bitcoin core?

Bitcoin Core does not store the information for all addresses as that would be computationally expensive and not very useful. For you to get this data, the address needs to be part of your wallet. So ...
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  • 60.4k
2 votes

bitcoin listunspent showing an address which does not belong to my wallet

If you have sent and received Bitcoin before, then this output is likely a change output.
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  • 60.4k
2 votes

My local client not showing correct output for listunspent

Apparently this command only works for addresses in my wallet, and moreover, there is apparently no way for the reference client to do this query for addresses not in the wallet (doh :-/)
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1 vote

Retrieve all Unspend Output given a priv key

generally speaking the answer is no: you should generate every public address to check it's balance and the possible addresses are too many to be checked all. in your case, if you remember the wallets ...
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1 vote

Listunspent: "Solvable - False"

Bitcoin Core distinguishes between spendable and solvable. Spendable means your wallet knows how to spend the UTXO (for example, it knows all the scripts it needs), and has all the private keys it ...
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  • 11.3k
1 vote

I accidentally sent more than I needed to on changelley

You will need to contact Changelly customer service to have the excess btc returned to you.
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  • 17.2k
1 vote
Accepted

How to get the available balance of a specific address using blockchain.info?

Your question: How to get the available balance of a specific address using blockchain.info The description for the /balance API: List the balance summary of each address listed. So use /...
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1 vote
Accepted

listunspent bitcoin core command returns the address as String while getrawtransaction addresses are array

This is a historical oddity. In the past, Bitcoin Core would report the list of participating keys in a multisig addresses by listing the addresses for those keys. This was both confusing (addresses ...
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1 vote

update to 0.17.0 broke several rpc api calls that worked under 0.16.3, how to migrate correcty my code?

The first issue, with getbalance, is a known issue which will be fixed in the next release. You can see the pull request for it here: https://github.com/bitcoin/bitcoin/pull/14602 The latter, though, ...
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  • 11.3k
1 vote

What's the best way to store unspent transaction?

To create a new transaction (with createrawtransaction) you will require a previous unspent vout - i.e. a UTXO, which is the result of the listunspent command. This will be the input of the ...
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1 vote

how can i query utxo to bitcoind(using bitcoin-cli) with public-private key not wallet

You do not need the uxto of the other address to be able to send it BTC. You just need the address. If you want to list unspents of an address you don't have the keys for, I don't think bitcoind can ...
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  • 1,254

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