The Bounty Program is Over

Happy to announce that NO ONE managed to hack our vault!

We want to thank the hundreds of hackers that registered (and the thousands that tried without updating us) and helped us prove our cold wallet is unbreakable.

A new challenge is on its way. Stay tuned!

The GK8 Team

Hack-Proof Digital Vault

The Biggest Bounty Prize of the Year up to A Quarter OF A Million USD in Bitcoin

$250,000​

GK8 Introduces the proven and validated first TRUE cold wallet for executing the entire digital asset management process without an Internet connection

*Press the above to view GK8's Cold wallet detail

A Digital Vault Built for Banks

GK8 provides an on-site, high-security custody solution for safekeeping and managing digital assets.
The solution provides an unprecedented level of risk assessment and mitigation, with comprehensive rulings, API integration layer, and reduced mining fees. The technology allows banks to receive full access to digital assets and related information, without compromising security.

Countdown to prove us wrong

Hours
Minutes
Seconds

Countdown will start on February 3rd

24

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00

Minutes

00

Seconds

Dare to Hack GK8's Vault?

To prove our wallet is really active and live, from the minute we launch the challenge, every 24 blocks we will send a real-time transaction to the address of the miner that closed the last block. View Wallet

The wallet itself will hold approximately $125,000 worth of Bitcoin.

The first to hack the wallet and provide a satisfactory explanation as to how he or she successfully hack the cold wallet, may receive a grand total prize of $250,000

To prove our wallet is really active and live, from the minute we launch the challenge, every 24 blocks we will send a real-time transaction to the address of the miner that closed the last block.
 View Wallet

The wallet itself will hold approximately $125,000 worth of Bitcoin.

The first to hack the wallet and provide a satisfactory explanation as to how he or she successfully hack the cold wallet, may receive a grand total prize of $250,000

Pre-registration required to collect full prize earning