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Questions tagged [transaction-verification]

Refers to the process of checking the validity of transactions.

10 questions with no upvoted or accepted answers
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24 views

What does “Green address verification” mean in the context of transaction validation?

I am only new to Bitcoin and I would like to know what a "Green address verification" is. I have an Electrum wallet ver 3.3.6 and I think the term is being used in the context of faster transactions ...
2
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0answers
136 views

Double spend a tx output already spent but unconfirmed because of low fee

In the protocol rules for validating transactions it says: Rule 9: For each input, if the referenced output exists in any other tx in the pool, reject this transaction.[5] I assume that when a ...
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0answers
933 views

How does merkle tree verification of transaction work?

From what I have read, suppose B sends 1 bitcoin to C. C wishes to verify B's payment and asks C for the block number (location) that input transaction is located at. (Is this correct understanding/...
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180 views

Do Bitcoin miners verify validity of merge-mined Namecoin blocks?

I've been reading a little about merged mining as used in Bitcoin and Namecoin. It seems like merged mining effectively eliminated Namecoin-only mining pools, right? Since Namecoin-only pools are ...
0
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1answer
55 views

Following SegWit implementation, is BIP-146 signalling and implementation still on the docket?

Is BIP 146, which defines using the low S value, still on the docket to be signalled and implemented given that SegWit fixed the txid malleability issue by moving the witness outside the transaction? ...
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0answers
86 views

Message: “this payment has not yet been transmitted”

My smartphone wallet samsung android with application bitcoin core version wallet 7.04 does not get paid. Message: "this payment has not yet been transmitted". from March 18 at 18:56 (NYC) I have ...
0
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0answers
32 views

How does transaction authentication between buyer and seller look for?

I am new to cryptography and would like to understand how a digital signature works between a buyer and a Bitcoin seller. How does transaction authentication between buyer and seller look for? Please ...
0
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0answers
545 views

bitcoin transaction spent but not received

I hope you are well. I had a weird transaction which was sent a few days ago, it now says spent, and received but has not changed my wallet balance, sent it from one exchange to another. When it is ...
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0answers
82 views

How to send an invalid transaction for testing purposes?

How could I send an invalid transaction—for testing purposes, such as with testnet or regtest? For example, I would like to to try to double-spend, spend non existent coins, etc.
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0answers
186 views

Where is the code for verification of multi signature?

I want to apply the multisig system to my own project. It's not hard to get the code for the client (or signing?), but where is the code for the verification process?