Jan 2026 Istanbul
Yong Wang, an entrepreneur, found buried after being forced to surrender his wallet.
By invitation · Private circle
Your crypto is safe. Your life is not. Yet.
Under duress, the alert fires without a single visible move. The moment the aggressor believes he is forcing you to give in, your loved ones already have your location. He sees nothing.
Limited access. Each member is admitted by approval or referral.
9:41 Contacts
Alert ready
The film
Before you need it.
Every second counts. When a single moment can change everything, the alert goes out in silence.
Now playing
1:11
The threat
Physical attacks on crypto holders are accelerating worldwide.
Industry data LIVE TRACKER
2 ×
MORE ATTACKS
Wrench attacks against crypto holders in 2025 are on pace to double any previously recorded year.
On track to surpass all prior years combined
Source · Chainalysis · Mid-Year Crime Report 2025
Named cases LIVE TRACKER
4
CONTINENTS · 18 MONTHS
January 2025: Ledger co-founder David Balland kidnapped near Paris, finger severed, BTC ransom demanded. March 2024: Filipino businessman Anson Que kidnapped and killed for ₱200M in crypto. Cases now span Paris, Manila, Singapore, New York.
Verified high-profile incidents · public court filings
Source · Reuters · Bloomberg · Chainalysis
Verified rate LIVE TRACKER
+ 75 %
IN ONE YEAR
TRM Labs verified 72 cases of physical coercion against crypto holders in 2025, a 75% jump in a single year. "The true number is likely significantly higher." — Ari Redbord, TRM Labs.
173 verified cases · floor estimate as of Oct 2026
Source · TRM Labs · 2025
2026 · a documented reality*
Jan 2026 United States
Nancy Guthrie, 84, mother of journalist Savannah Guthrie. A bitcoin ransom was demanded.
Jan 25, 2026 Voiron, France
A 74-year-old retiree abducted, his hand severed, to force his son to pay a ransom.
Feb 5, 2026 Saint-Martin-le-Vinoux, France
A magistrate and her mother held 30 hours in a garage. A ransom was demanded in bitcoin.
Mar 2026 United Kingdom
"Sillytuna", a crypto figure, coerced into handing over his crypto. Funds laundered into Monero.
Apr 13, 2026 Burgundy, France
A mother and her 10-year-old child kidnapped and held for 20 hours.
May 20, 2026 Villenoy, France
Five men posing as delivery couriers tried to extort the wife of Sébastien Borget, co-founder of The Sandbox.
Jan 2026 Istanbul
Yong Wang, an entrepreneur, found buried after being forced to surrender his wallet.
Jan 2026 United States
Nancy Guthrie, 84, mother of journalist Savannah Guthrie. A bitcoin ransom was demanded.
Jan 25, 2026 Voiron, France
A 74-year-old retiree abducted, his hand severed, to force his son to pay a ransom.
Feb 5, 2026 Saint-Martin-le-Vinoux, France
A magistrate and her mother held 30 hours in a garage. A ransom was demanded in bitcoin.
Mar 2026 United Kingdom
"Sillytuna", a crypto figure, coerced into handing over his crypto. Funds laundered into Monero.
Apr 13, 2026 Burgundy, France
A mother and her 10-year-old child kidnapped and held for 20 hours.
May 20, 2026 Villenoy, France
Five men posing as delivery couriers tried to extort the wife of Sébastien Borget, co-founder of The Sandbox.
Why Kronobi
What nothing else does.
- Protects you, the person, not just your keys
- Acts during the attack, in real time
- Invisible to the aggressor
- Protects your loved ones too
- Protects you anywhere in the world, not just one country
- Collects no sensitive data
Hardware wallet
- Protects your keys from remote theft
- Does nothing if you are forced to sign
- Does not protect you, the person
Home alarm
- Alerts a monitoring center
- Visible trigger
- Not designed for the crypto scenario
K&R insurance
- Compensates after the fact
- Does not prevent the attack
- Reactive, not operational
Bodyguard
- Physical protection
- Visible, costly, permanent
- Does not cover your loved ones day to day
Wherever you are, wherever your loved ones are. Kronobi stops at no border.
When the alert fires
You are never alone. In silence.
01
Your loved ones are notified
Your trusted contacts receive your alert and your location in real time.
02
Law enforcement steps in
They notify the police, with your exact location.
03
Close protection if needed
Our concierge can connect you with a protection firm near you.
When every second counts, Kronobi instantly puts the right people in motion: your loved ones, law enforcement, close protection.
Sentinelle
New · included in your plan
What if you’re forced to empty your real wallet?
Sentinelle is a second service, separate from the decoy wallet. You give it one address reserved for an attack. The day funds leave it, the alert goes out, and nothing shows on your phone.
01
A reserved address
In your usual wallet (MetaMask, Trust, Ledger…), pick an address you never use day to day. Under threat, that’s the one you open.
02
The chain raises the alarm
Sentinelle watches from our servers. Your phone can be off or taken: the transaction is enough.
03
Your people are told
Your emergency contacts get a text and an email. The monitoring center takes over and can pass your name and address to emergency services if you provided them.
- Never a private key or recovery phrase
- One public address, nothing else
- Ethereum, Polygon, TRON
- Contacts kept encrypted, erased as soon as you turn Sentinelle off
Two separate services: neither needs the other.
The service
Far more than an app. A protection service.
Being a Kronobi member means being supported by people. Before, during and after. At this level of risk, you are never left alone facing a screen.
Dedicated concierge
A real person, never a bot: your dedicated contact sets up your protection with you, privately.
Support at every moment
Real people by your side, around the clock: to prepare you beforehand, and to stand by you when the moment comes.
Physical security referral
Need close protection? We identify a trusted firm near you.
Priority support
A line reserved for members, available when it truly matters.
Trust
There is nothing to steal from us.
Other solutions need your keys or your financial identity. We don't. Kronobi never asks for your keys, your recovery phrase, or any access to your crypto. If anyone ever tried to attack us, there would simply be nothing worth taking.
No address required
Kronobi never asks for your wallets. Sentinelle, if you turn it on, only knows one public address you choose.
Your keys stay with you
They never leave your device. Kronobi never sees them.
No real crypto
The decoy holds no assets. Your real crypto stays on Ledger, MetaMask, your usual wallets.
European data, GDPR
European company, data hosted in the EU, deletion on request.
Access
Access to Kronobi is reserved.
Kronobi cannot be freely downloaded. You enter in one of two ways: referred by a member, or by submitting a request we review. This filter protects the confidentiality and the value of the Circle.
Requests are reviewed in waves. Seats are limited.
