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Can I send almost 1MB transaction?

What is the maximum size of a transaction?How are transaction fees calculated in raw-transactions?can blocks remain capped to 1MB forever?To combine or not to combineHow a block is defined (size, number of transactions)?Transaction Sent Taking almost 2 days , what's wrong? Help plsHow does CoinJoin affect the total transaction size?Are bitcoin transaction confirmation times limited by block size?What does malleable mean in “transaction malleability”?Is there any mechanism in Bitcoin that allows it to dynamically adapt to the flow of transactions?Why someone send this transaction

5

Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block?
Or what is the max transaction size?

transactions json-rpc raw-transaction full-node

share|improve this question

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, but the question and both answers are not relevant now
  
  – Elizaveta Olehnovich
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Related: Block 364292 is basically one massive transaction: blockstream.info/block/…
  
  – chytrik
  23 hours ago
  

  
  
  
  

add a comment | 

5

Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block?
Or what is the max transaction size?

transactions json-rpc raw-transaction full-node

share|improve this question

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Yes, but the question and both answers are not relevant now
  
  – Elizaveta Olehnovich
  yesterday
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Related: Block 364292 is basically one massive transaction: blockstream.info/block/…
  
  – chytrik
  23 hours ago
  

  
  
  
  

add a comment | 

Block size is still limited to 1MB. As I understood, transaction size is no longer limited. So can I be sure that my transaction with 29000 outputs and reliable fee will be included into block?
Or what is the max transaction size?

transactions json-rpc raw-transaction full-node

share|improve this question

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

New contributor

Elizaveta Olehnovich is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked yesterday

Elizaveta OlehnovichElizaveta Olehnovich

304

1 Answer
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5

Can I send almost 1MB transaction?

To be able to send a transaction that a miner will accept, that transaction has to be a standard transaction. As defined in policy.h

/** The maximum weight for transactions we're willing to relay/mine */

static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;

For non-Segwit transactions, the limit is 400,000 KB / 4 = 100,000 B = 100 kB.

Therefore, if you have a Pre-Segwit transaction larger than 100 kB but smaller than the block s̶i̶z̶e weight limit, you should contact a miner, and they'll be able to add your transaction to their block manually, if it's profitable for them.

share|improve this answer

answered yesterday

MCCCSMCCCS

4,65931444

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  So 100kB limit still persists, I was confused by the comment to bitcoin.stackexchange.com/a/35882/92719 . Thanks a lot
  
  – Elizaveta Olehnovich
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're welcome. If you have any other questions, I'm happy to help.
  
  – MCCCS
  yesterday
  

  
  
  
  

add a comment | 

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5

Can I send almost 1MB transaction?

To be able to send a transaction that a miner will accept, that transaction has to be a standard transaction. As defined in policy.h

/** The maximum weight for transactions we're willing to relay/mine */

static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;

For non-Segwit transactions, the limit is 400,000 KB / 4 = 100,000 B = 100 kB.

Therefore, if you have a Pre-Segwit transaction larger than 100 kB but smaller than the block s̶i̶z̶e weight limit, you should contact a miner, and they'll be able to add your transaction to their block manually, if it's profitable for them.

share|improve this answer

answered yesterday

MCCCSMCCCS

4,65931444

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  So 100kB limit still persists, I was confused by the comment to bitcoin.stackexchange.com/a/35882/92719 . Thanks a lot
  
  – Elizaveta Olehnovich
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're welcome. If you have any other questions, I'm happy to help.
  
  – MCCCS
  yesterday
  

  
  
  
  

add a comment | 

5

Can I send almost 1MB transaction?

To be able to send a transaction that a miner will accept, that transaction has to be a standard transaction. As defined in policy.h

/** The maximum weight for transactions we're willing to relay/mine */

static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;

For non-Segwit transactions, the limit is 400,000 KB / 4 = 100,000 B = 100 kB.

Therefore, if you have a Pre-Segwit transaction larger than 100 kB but smaller than the block s̶i̶z̶e weight limit, you should contact a miner, and they'll be able to add your transaction to their block manually, if it's profitable for them.

share|improve this answer

answered yesterday

MCCCSMCCCS

4,65931444

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  So 100kB limit still persists, I was confused by the comment to bitcoin.stackexchange.com/a/35882/92719 . Thanks a lot
  
  – Elizaveta Olehnovich
  yesterday
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You're welcome. If you have any other questions, I'm happy to help.
  
  – MCCCS
  yesterday
  

  
  
  
  

add a comment | 

Can I send almost 1MB transaction?

To be able to send a transaction that a miner will accept, that transaction has to be a standard transaction. As defined in policy.h

/** The maximum weight for transactions we're willing to relay/mine */

static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;

For non-Segwit transactions, the limit is 400,000 KB / 4 = 100,000 B = 100 kB.

Therefore, if you have a Pre-Segwit transaction larger than 100 kB but smaller than the block s̶i̶z̶e weight limit, you should contact a miner, and they'll be able to add your transaction to their block manually, if it's profitable for them.

share|improve this answer

answered yesterday

MCCCSMCCCS

4,65931444

/** The maximum weight for transactions we're willing to relay/mine */

static const unsigned int MAX_STANDARD_TX_WEIGHT = 400000;

share|improve this answer

answered yesterday

MCCCSMCCCS

4,65931444

answered yesterday

MCCCSMCCCS

4,65931444

answered yesterday

MCCCSMCCCS

4,65931444