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what is measured in units of sat/kw?

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Whilst learning about bitcoin & lightning fees I have encountered the abbreviation sat/kw a few times, most recently here:

Why can’t lightning tx’s be signed with sighash single to allow for fee updates?

Is it a ratio of satoshis per kilowatt?

transaction-fees terminology block-weight

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edited 9 hours ago

Murch♦

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1

Whilst learning about bitcoin & lightning fees I have encountered the abbreviation sat/kw a few times, most recently here:

Why can’t lightning tx’s be signed with sighash single to allow for fee updates?

Is it a ratio of satoshis per kilowatt?

transaction-fees terminology block-weight

share|improve this question

edited 9 hours ago

Murch♦

36k2727 gold badges119119 silver badges350350 bronze badges

asked 10 hours ago

thermalCatthermalCat

633 bronze badges

New contributor

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

add a comment | 

Whilst learning about bitcoin & lightning fees I have encountered the abbreviation sat/kw a few times, most recently here:

Why can’t lightning tx’s be signed with sighash single to allow for fee updates?

Is it a ratio of satoshis per kilowatt?

transaction-fees terminology block-weight

share|improve this question

edited 9 hours ago

Murch♦

36k2727 gold badges119119 silver badges350350 bronze badges

asked 10 hours ago

thermalCatthermalCat

633 bronze badges

New contributor

thermalCat 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

edited 9 hours ago

Murch♦

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asked 10 hours ago

thermalCatthermalCat

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thermalCat is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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share|improve this question

edited 9 hours ago

Murch♦

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asked 10 hours ago

thermalCatthermalCat

633 bronze badges

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thermalCat is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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edited 9 hours ago

Murch♦

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edited 9 hours ago

Murch♦

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asked 10 hours ago

thermalCatthermalCat

633 bronze badges

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thermalCat is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 10 hours ago

thermalCatthermalCat

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I assume that James is using "sat/kw", to refer to "satoshi per kiloweightunit" as a means to express the fee rate of a transaction. "Weight" here refers to what replaced "blocksize" as a blockspace limit in the protocol rules with the segwit softfork.

I'm seeing "sat/kw" for the first time in this context. I've seen wu used before to refer to weightunits instead of w, and "virtual bytes vB" seem to be more common generally.

I've explained the relationship of blocksize, virtual size and weight in depth here: Is there a difference between bytes and virtual bytes (vbytes)?

share|improve this answer

answered 9 hours ago

Murch♦Murch

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2

I assume that James is using "sat/kw", to refer to "satoshi per kiloweightunit" as a means to express the fee rate of a transaction. "Weight" here refers to what replaced "blocksize" as a blockspace limit in the protocol rules with the segwit softfork.

I'm seeing "sat/kw" for the first time in this context. I've seen wu used before to refer to weightunits instead of w, and "virtual bytes vB" seem to be more common generally.

I've explained the relationship of blocksize, virtual size and weight in depth here: Is there a difference between bytes and virtual bytes (vbytes)?

share|improve this answer

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges

add a comment | 

2

I assume that James is using "sat/kw", to refer to "satoshi per kiloweightunit" as a means to express the fee rate of a transaction. "Weight" here refers to what replaced "blocksize" as a blockspace limit in the protocol rules with the segwit softfork.

I'm seeing "sat/kw" for the first time in this context. I've seen wu used before to refer to weightunits instead of w, and "virtual bytes vB" seem to be more common generally.

I've explained the relationship of blocksize, virtual size and weight in depth here: Is there a difference between bytes and virtual bytes (vbytes)?

share|improve this answer

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges

add a comment | 

I assume that James is using "sat/kw", to refer to "satoshi per kiloweightunit" as a means to express the fee rate of a transaction. "Weight" here refers to what replaced "blocksize" as a blockspace limit in the protocol rules with the segwit softfork.

I'm seeing "sat/kw" for the first time in this context. I've seen wu used before to refer to weightunits instead of w, and "virtual bytes vB" seem to be more common generally.

I've explained the relationship of blocksize, virtual size and weight in depth here: Is there a difference between bytes and virtual bytes (vbytes)?

share|improve this answer

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges

share|improve this answer

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges

answered 9 hours ago

Murch♦Murch

36k2727 gold badges119119 silver badges350350 bronze badges