Unspent Transaction Outputs (UTXOs) are created by transactions and allow the owner of an associated address to spend a specific amount.
Questions tagged [utxo]
302 questions
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How big is the UTXO database?
Is there a query that will return the size of the UTXO database? Specifically, the total number of unspent outputs.
pinhead
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How does one reference an unspent transaction output?
In a bitcoin transaction the previous unspent transaction outputs are referenced.
How are these referenced?
Do outputs have unique reference or maybe as
unique transaction reference X output recipient's address (its public key)
croraf
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Is UTXO synonymous with leftover money in an address?
Is UTXO synonymous with leftover money in an address and the only reason UTXO is even a concept is due to security concerns of not changing an address after every transaction? Hence, your "unspent outputs" must be moved to x address.
Or am I missing…
wild_nothing
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How can I get UTXO for a specific address?
Are there API's I can use to get this information?
Shamoon
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Editing the utxo database?
Is it possible to manually add utxos to the utxo database?
Could this be done by editing the chainstate file?
Errol
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Determine which transaction spent a Transaction Output
I will explain my question through an example on the bitcoin testnet network.
I am looking at the output at index 0 of this transaction:
2a50bcc2ec49573ef816a95781b802766910f8690968236cf451cfc32defc491
I can tell through the bitcoin testnet block…
morsecoder
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Possible for 2 transactions from the same address within the same block?
I am not talking about double spend. I am referring to 2 diff txns
For example, Alice has 10 btc. She sends 3 btc to Bob and 4 to Tom. Is that possible in the same block if she has 2 UTXOs with each UTXO >= 4 BTC? UT
What if she only has 1 UTXO of…
Stoic
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Private Key leakage due to reusing same address, how to prevent?
1 What precisely is the meaning of "reusing"? Is it receiving multiple times coins to the same btc address? Or is it also about sending coins?
2 How can people avoid this leaking of information when using a wallet, best practices?
3 How many times…
Marieanndrasuper
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get the location of UTXO data
I need to find the location of the code which deals with UTXO, and then implement FIFO on UTXO storage. I aint able to find the location of UTXO code and also where it is stored.
Rishav Raj
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Block Some UTXO
Is it possible to block some UTXO like PIVX, does is possible in bitcoin?
if yes then how and doesn't it reduce supply from total supply of bitcoin?
Let's Assume that account A got 5 bitcoin from Some random account and he spend 2 bitcoin. when he…
kishan
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