uncrack · Green Coffee Auction House
Inaugural season2026 · First auctions now opening

Three auctions.
One standard of proof.

“Bid on the cup it will become.”

Evidence on every lot
House estimate, printed
Anonymous paddles
Anti-snipe close
HN
9 LOTS● LIVE
Next-Generation Producers · Honduras
Honduras Next Generation Auction

The young farmers leading Honduras forward

Closes in
Enter Auction
CO
8 LOTS● LIVE
Science of Nature · Huila, Colombia
Colors of Nature

Where fermentation science meets the frontier

Closes in
Enter Auction
KE
0 LOTSUpcoming
Approval Flow
Partner Auction (Approval Test)
The Journal

Stories from the first season

One story at a time — pick an auction to read who grew it, and why they chose to sell on evidence.

HN
No. 01 · COVER STORY● LIVE
Next-Generation Producers · Honduras Next Generation Auction

The young farmers leading Honduras forward

A rehearsal auction built from the real sample list of our Honduras Next Generation pilot — nine lots from eight next-generation farms, each scanned and scored by the Uncrack Engine.

Buyers used to taste my coffee and name their price. This season, the coffee brings its own numbers to the table.

The producers, El Caminito
200 g sample · 96× NIR scans · no roast, nothing lost
The Engine

From bean to evidence,
before the first roast.

156,000
Raw spectral signals
One near-infrared scan reads the green bean’s full chemical fingerprint — non-destructively.
16
Named components
Sugars, acids, lipids, protein, alkaloids and moisture, quantified and comparable across every lot.
5 + QI
Taste axes · quality indices
Acidity, aroma, flavor, sweetness and mouthfeel — plus uniformity, clean cup and roast difficulty.
$
Model fair value
The estimate printed in the catalogue — what the evidence says a lot is worth.
A house with no history — yet

The road to the first gavel

uncrack opens with no past sales to point to. What we bring instead: the samples, the science, and a date.

01
Samples ship now

Every launch lot, 100 g, roasted for cupping. Taste the season before the floor opens.

02
Read the evidence

NIR chemistry, taste potential and the house estimate publish for every lot ahead of the auction.

03
The floor opens · now

One unified timeline, anonymous paddles, anti-snipe extensions. Won on value, not reflexes.

04
First gavel · settlement

Winning bids settle directly with each origin’s official exporter. The proceeds go home.

Founding bidders
The first list of winning paddles will be short. Be on it.
Register to bid
EGGSTONE · uncrack

Not instinct. Proof.

Every lot in the first season is measured, predicted and priced on evidence. Read the numbers, taste the samples, then bid with conviction.