COLD-STORAGE KEY GENERATION

Your computer off. Your keys on. Everything else gone.

The USB stick that turns any computer into the safest unlimited blockchain key generator — then destroys every trace of where they were made.

HOLDS NOTHING · STORES NOTHING · REMEMBERS NOTHING
COLD ADDRESS STORAGE, GENERATED CLEAN
KŌINIkeystick
WHERE COLD STORAGE BEGINS

Everything protects a key that already exists. We protect the moment it’s born.

Every safe, every steel plate, every hardware wallet guards a key that was created somewhere else — and never asks where. That birthplace is the one moment a key is most exposed. It’s exactly where $40M walked out the door in 2026. KŌINIkeystick owns that moment: your key is born on a machine that has never touched the internet, shown to you once, and written to paper. Then the machine ceases to exist. Cold storage begins here — and even here, nothing is stored. Send your assets to a cold address whose key has never touched the internet, and never will until you choose. That’s cold address storage in its purest form.

THE IDEA IN ONE SENTENCE

“The key existed in one temporary place, you copied it onto paper, and that place ceased to exist.

Every hardware wallet stores your keys — which makes it a permanent target. KŌINIkeystick is the opposite object: restart any computer from the stick, generate a seed phrase and its receive addresses in a clean offline environment, write them down with a pen, and pull the plug. Power-off is the destruction event. Nothing is stored. Nothing is transmitted. Nothing remains.

UNLIMITED, UNRELATED KEYS FROM ONE STICK — FOREVER
0
KEYS EVER STORED — ON THE STICK, ON YOUR COMPUTER, OR ANYWHERE
~10 min
FROM PLUGGING IN TO PULLING THE PLUG
100%
STANDARD OUTPUT — RESTORES IN ANY BIP-39 WALLET, NO LOCK-IN
HOW IT WORKS

Four steps. One physical act of destruction.

01

Plug in & restart

Your computer boots from the stick instead of its own system. Your operating system — and any malware on it — never runs.

02

Gather randomness

The appliance draws entropy from the hardware and blends in your own dice rolls — the one defense with a proven track record.

03

Copy to paper

Your seed phrase and receive addresses appear on screen, once. You write them down with a pen. No printer, no photo, no clipboard.

04

Pull the plug

Memory clears within moments of losing power. No disk was ever touched. The place your key was born no longer exists.

KŌINIKEYSTICK · CEREMONYOFFLINE · NO DISK MOUNTED · SPECIMEN
YOUR SEED PHRASE — WRITE IT DOWN WITH A PEN
01ripple
02lumber
03orbit
04canvas
05meadow
06vault
07ember
08signal
09harbor
10pledge
11quartz
12anchor
RECEIVE ADDRESSES — PUBLIC · SAFE TO KEEP
BTCbc1qw4k7ten9yrfjq2mzv8ghl03xu5a6cdp0e8s2rn7hjfx94qm3lzsq5wek2t
EVM0x7F3aE2c91b04D85C6f1A9e0b52d4C3886a1B97Ee
SOL9wKf3PqBv7xJm2NrTd5hZc8sLgYaE4uD6QnXoV1iApRk
WRITE IT DOWN. VERIFY YOUR COPY. THEN PULL THE PLUG.POWER-OFF = DESTRUCTION
THE PRODUCTS

One appliance. Four ways to own it.

Same generation engine in every stick, audited once. Pre-orders ship in under 30 days, free tracked US shipping, sealed in a tamper-evident bag.

KŌINIkeystick standard
PCS & INTEL MACS · BOOTABLE

KŌINIkeystick

$50 FREE US SHIPPING

The standard bootable stick. Your computer becomes the vault, then ceases to exist.

Pre-order
KŌINIkeystick read-only edition
PCS & INTEL MACS · WRITE-PROTECT SWITCH

read-only edition

$75 FREE US SHIPPING

A physical write-protect slider makes the stick’s contents impossible to alter — on any machine, forever.

Pre-order
KŌINIkeystick for Mac
APPLE SILICON · SEALED SANDBOX

for Mac

$50 FREE US SHIPPING

Apple Silicon can’t boot external systems — so the ceremony runs in a sealed room inside your Mac. Honestly a different promise; we say so plainly.

Pre-order
KŌINIkeystick for Mac read-only
APPLE SILICON · WRITE-PROTECT SWITCH

for Mac read-only

$75 FREE US SHIPPING

The sealed-room Mac ceremony plus the physical write-protect slider. One stick, two doors.

Pre-order

PREFER CRYPTO? WE ACCEPT BTC · ETH · SOL AT CHECKOUT — DETAILS

WHY NOW

The industry’s most trusted key generator just failed — silently, for five years.

In July 2026, a flagship hardware wallet disclosed that a firmware flaw had quietly weakened its key generation since 2021. Roughly $40M was swept. The only users unaffected were the ones who mixed in their own dice entropy — which is exactly what KŌINIkeystick makes the default. It’s the fourth incident of the same class, on the fourth different technology stack.

TRUST ARCHITECTURE

Verify, don’t trust — including us.

Verify every stick

The code stays closed — competitors get nothing — but every stick is verifiable. Check its contents against our published hash and confirm it’s byte-for-byte authentic before you trust it. Sealed, and yours to guard.

Your dice beat our hardware

Mix your own dice rolls into generation. Even if a machine’s randomness were secretly broken, your entropy keeps the key safe — the defense that actually worked in the field.

Nothing worth stealing

The stick never contains a key — not for one second after power-off. Stealing it gets you public code on a $3 drive.

No green checkmarks

Our screens state exactly what was checked, in words. If the randomness source fails its checks, the tool refuses to generate and says so loudly. Silence is how every past disaster survived.

GO AS DEEP AS YOU LIKE

Short answers up top. The whole story underneath.