Questions tagged [transaction-input]

Questions about the mechanics of redeeming a UTXO in an input script.

117 questions
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multiple input and output addresses in bitcoin transactions

I was checking transactions in blockchain.info. I have some questions about transaction information about input and output addresses. block address: https://blockchain.info/address/1NHv6qBxu6haWj8rqeLqw9eyJqm4JT26R6 why some of transactions have…
Mahla
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Can you specify more than one output index in a transaction's input?

It looks to me like each input to a bitcoin transaction has an index that specifies only one output from the input its spending. Is there a way to specify more than one output index, or do you have to create a second input line that contains the…
B T
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How many weight units does an input use?

What is the weight unit cost of an input? And can you batch/aggregate the inputs or is it linearly growth when you add more inputs to a tx?
Bertram Lund
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How to calculate scriptPubkey?

Given an address (i.e. 1BnPVV5Tt25cxbDg6DqoxJunjSL8reCGz6), how can I calculate its scriptPubKey in order to build a transaction?
user2298995
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More Input-Values than necessary. How and why is this possible? No it is not the fees!

The TXID I am talking about: 21179a8560a0a0906f0c3396af338f74528130d46b65b7f0c79c378d343b3177 blockchain.com link: https://www.blockchain.com/btc/tx/21179a8560a0a0906f0c3396af338f74528130d46b65b7f0c79c378d343b3177 3JZq4atUahhuA9rLhXLMhhTo133J9rF97j…
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How to interpret vin/vout on a Bitcoin transaction?

I used nownodes api to get this response on a transaction: ( [txid] => 38ac1348219f8aa9349f497bfa6f8d05f775cafbbd26354867d22ca84f15e1e1 [version] => 2 [vin] => Array ( [0] => stdClass Object ( …
rockstardev
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How 1 address can create 14 inputs in output transaction to 1 direct address?

Check this address 1NM3apKLeDGKiFsd6gu1o4nh52efi38iEv The reason of this extremely high fee because of 14 inputs But why 1 address generate 14 inputs instead 1?