Questions tagged [transaction-size]

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How is this 1 input 2 output tx larger than this 2 input 2 output tx?

I saw the following liquid transaction with one input and two outputs is byte-wise bigger than another liquid transaction with two inputs and two outputs. How is this possible? One input transaction (...
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2answers
34 views

What defines the standard Bitcoin transaction size? [duplicate]

The Lightning Network specifications limit the number of (unsettled) HTLCs in a channel to 483 at each side (maximum 967 total). The rationale behind this is that the penalty transaction must be under ...
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2answers
294 views

Is there a difference between bytes and virtual bytes (vbytes)?

In an Optech newsletter, size is referred to using vbytes. Is there a difference between vbytes and bytes? If so, what is the difference?
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1answer
200 views

How to calculate the size of multisig transaction?

Can you help or suggest the formula for calculation of simple multi-sig transactions? I have an issue to calculate the size of multi signature 2-2 transaction. I tried to follow this: Predict ...
4
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2answers
144 views

On chain cost of Segwit version 1 versus version 0

How do total blockchain cost for Segwit version 0 compare to version 1 which is being proposed? I'm specifically interested in a single user transactions – both paying to public key (or pk hash) and ...
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1answer
58 views

regarding transaction size in a block

In What are the minimum sizes for transactions and blocks in Bitcoin? The first transaction is set to be 65 bytes long, due to coinbase requirements. What about the second one ? That can be 61 bytes ...
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1answer
42 views

re : minimum sizes of transactions and blocks

I see there's a similar question provided here: What are the minimum sizes for transactions and blocks in Bitcoin? But the answer provided might be not correct in the light that "A valid transaction ...
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2answers
79 views

What happens if “transaction size” is larger than “maximum block size”?

Assuming a transaction size is T Bytes, while maximum block size is B Bytes, such that T>B. What happens for this transaction? It will be divided into two smaller parts and will be stored in two ...
4
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2answers
422 views

How do virtual size, stripped size and raw size compare between legacy address formats and native segwit?

This answer states that SegWit doesn't reduce transaction size. If this is true, why is it cheaper to send a SegWit transaction?
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1answer
248 views

Upper bound on the Bitcoin transaction size [duplicate]

Assume that I want to store some arbitrary data on the Bitcoin blockchain via a single transaction. Question: Is there any upper bound on the size of data I want to send via a single transaction? -...
2
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2answers
57 views

Does total size of the transaction affect confirmation time?

Suppose one pays 1 satoshi/byte for their transactions. Will the confirmation of the two transaction below be different? A) a transaction of 1 inputs and 1 output (~192 bytes) B) a transaction of ...
1
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1answer
400 views

What is the absolute smallest size of the data (bytes) that a blockchain transaction could possibly be?

I am looking into completing blockchain transactions over an extremely limited data transport channel. Think even more limited than a satellite connection. The maximum payload I can send at any one ...
6
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2answers
612 views

What is the size of different Bitcoin transaction types?

I found this interesting take on Bitcoin transaction type trends from 2015. As that article is from 2 years ago, I am wondering: a. Are there any newer transaction types? b. What is the average ...
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1answer
158 views

What is the maximum size for SegWit transactions?

Before SegWit was activated, transactions were limited to 100,000 bytes or 100 kB. Bigger transactions were non-standard. What is the limit for transaction size after the activation of SegWit? Is ...
4
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1answer
1k views

What are the minimum sizes for transactions and blocks in Bitcoin?

I have gone through many research articles but couldn't find out what the minimum sizes of a transaction and a block are. Is there any reference where I can find an answer to my question?
5
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1answer
770 views

How big is the input of a P2PKH transaction?

How many bytes does a P2PKH input have? I'm finding a few different numbers: Why does the default miner implementation use pay-to-pubkey? states: push + sig + push + key = 1 + 72 + 1 + 61 = 139 ...
57
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3answers
67k views

How to calculate transaction size before sending (Legacy Non-Segwit - P2PKH/P2SH)

I know that I pay the transaction fee per kB, so how can I calculate how large the transaction will be before I send it via the RPC api. I run a site using bitcoins, and I cannot let the user's ...