[bitcoin-dev] BIP 158 Flexibility and Filter Size

Tamas Blummer tamas.blummer at gmail.com
Sun Jun 3 16:50:17 UTC 2018


Correction:
- Output script + spent script filters (Wuille’s (b)) have sizes of ca. 2% of block size.

Tamas Blummer

> On Jun 3, 2018, at 18:44, Tamas Blummer <tamas.blummer at gmail.com> wrote:
> 
> I processed bitcoin history assuming filters using with P=19 M=784931.
> 
> Findings:
> - Output script + spent script filters (Wuille’s (b)) have sizes of ca. 0.2% of block size.
> - Output script + spent script filters (Wuille’s (b)) are ca. 10% smaller than output script + spent outpoint filters (Wuille's (a)). Savings here however trend lower since years.
> 
> Graphs attached.
> 
> Tamas Blummer
> 
> <scriptfilter.png><scriptssaving.png>

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