The registry standard
for high-value koi.
A trusted digital registry for premium koi — including provenance, breeder records, ownership history and verification status.
Built For
Premium Koi
Verified
Provenance
Private
Registry Access

Registered Name
Kohaku No. 27
Variety
Kohaku
Breeder
Hoshimura Koi Estate
Born
2023
Size
52 cm
KOI<<KOHAKU<NO<27<<<<<<<<<<<<<<<<<<<<<<<<<<<
KI2300000027JPN2301011M2601011<<<<<<<<<<<<<<8
The Problem
High-value koi deserve more
than fragmented paperwork.
01
Fragmented records
Breeder certificates, health records and ownership history are scattered across documents, emails and private archives.
02
No trusted verification
Authenticity often depends on reputation alone — making disputes, uncertainty and false claims difficult to resolve.
03
Provenance disappears over time
As koi change hands, valuable history is lost. Future owners cannot reliably trace lineage, transfers or past records.
Registry Infrastructure
Everything a premium koi
registry should be.
I
Digital Identity
A permanent digital record for each koi — including breeder, lineage, variety, photography and registry metadata.
II
Verified Documents
Store breeder certificates, show awards, health documents and import records inside a single trusted archive.
III
Ownership Timeline
Track transfers, collectors and provenance through a structured ownership history designed for premium resale confidence.
IV
Verification Layer
Breeders, dealers and approved partners can issue verification status for registered koi.
Sample Registry Record
See the registry in action.
This is a sample registry ID for a fictional koi used for demonstration purposes.

Kohaku No. 27
Kohaku · Hoshimura Koi Estate
Provenance Timeline
2023
Bred at Hoshimura Koi Estate, Niigata
2024
Certified at All Japan Koi Show
2024
Imported to Europe via certified koi importer
2025
Transferred to private collector — Netherlands
Attached Documents
Hoshimura Breeder Certificate
Mar 2023
All Japan Show — Class Result
Nov 2023
EU Import Health Certificate
Feb 2024
Founding Access
Join the founding registry.
Access to the founding registry is currently limited to selected breeders, dealers and private collectors.
Founding members receive early access, priority onboarding and future registry benefits.
No spam. Invitations sent individually to qualifying applicants.
