Skip to content
VB-OSVB-OSVB-OS Docs

VBL Eta Cap: Evidence Freshness Ceiling

Syntax

Section titled “Syntax”
eta_cap: integer_value

Example

Section titled “Example”
eta_cap: 9950

This sets the eta cap to 9950 basis points (99.50%).

Integer Representation

Section titled “Integer Representation”

Because VBL is integer-only, the eta cap uses basis points (hundredths of a percent):

Percentage Basis Points
100.00% 10000
99.50% 9950
95.00% 9500
50.00% 5000

Placement

Section titled “Placement”

eta_cap appears in the governance metadata section of the boundary, alongside boundary_id, version, and scope:

boundary_id: payment-authorization
version: 1
scope: production
eta_cap: 9950

Next Steps

Section titled “Next Steps”