GK8 by Galaxy
Formerly GK8, Puzzzle, Puzzzle Cybersecurity
Self-custody Technology for Digital Asset Security and Management
Startup Acquired Cyber Security Est. 2018 Acquired
Total Raised
$12M
Acquired
Last Round
$8M
3 rounds
Investors
8
8 public
Team
9
51-200 employees
Confidence
91/100
News
8
articles
Patents
1
About
GK8 by Galaxy provides comprehensive self-custody technology for digital assets, enabling regulated self-custody, digital asset management, and token issuance. With its patented Impenetrable Vault and uMPC technology, GK8 empowers traditional financial institutions and crypto-native companies worldwide with the tools they need to navigate the digital asset economy with confidence. In a market where trust is an institution’s most valuable asset, GK8 protects the institution’s reputation by setting the highest standard for digital asset custody, paving the way for the mass adoption of digital assets.
Classification
Sector
Cyber SecurityNetwork & Infrastructure Security
Core Technology
CryptographyTokenizationPlatforms & InterfacesSoftware
Target Customer
Financial ServicesFinancial InstitutionsBanks
Business Model
B2B
Tags
financial-institutionsblockchaincyber-securitycryptographypatent-pendingdigital-assetstokenization
Funding & Events
Sep 2019
Seed $4M
Discount Capital (Lead), iAngels, IDEAL-HLS, Israel Innovation Authority, Eden Block, Marius Nacht
Oct 2020
A Round $8M
IN Venture, Eden Block
Nov 2018
Seed Undisclosed
Rafi Gidron
Feb 2023
Exit Undisclosed
News (8)
Dec 2, 2022 · www.coindesk.com
growth-positive
Galaxy Digital Wins Auction to Buy GK8 From Bankrupt Crypto Lender Celsius
PartnersExpand
Nov 1, 2021 · www.calcalistech.com
growth-positive
Crypto powerhouse Celsius acquiring Israeli startup GK8 for $115 million
Acquisition
Oct 5, 2020 · www.geektime.com
growth-positive
Israeli startup GK8 partners with Chainalysis on blockchain fraud security
Partners
Sep 17, 2020 · cointelegraph.com
growth-positive
INX exchange taps Israeli crypto startup GK8 for crypto custody
InvestmentPublic Trading
Aug 17, 2020 · www.geektime.com
growth-negative
Israeli cyber startup discovers Blockchain weakness that could potentially leak millions
Customers
Jun 12, 2020 · www.reinsurancene.ws
growth-positive
Aon partners with GK8 on digital asset coverage - Reinsurance News
Partners
Sep 18, 2019 · www.coindesk.com
growth-positive
Israeli Startup Creates Offline Crypto Wallet with Online Connectivity
InvestmentCustomers
Sep 18, 2019 · en.globes.co.il
growth-positive
Blockchain deals without Internet co GK8 raises $4m
Investment
Details
Product Stage
Released
Employees
51-200
Exact Count
78
District
Center District
Founded
2018
Registrar
515881209
Crunchbase
gk8
Locations
Abba Hillel Silver Rd 21, Ramat Gan, Israel
Links
Website
LinkedIn
Twitter
Careers
Admin
Last Update
Aug 27, 2025
Verified by
Yanina Wainscheinker
Claimed
Yes
Missing
markets, not claimed
Team (9)
Lior Lamesh
Co-founder & CEO
Founder
Shahar Shamai
Co-founder & CTO
Founder
Mark Mayerfeld
CRO
Nadav Schleifer
VP Finance & Operations
Efrat David
VP Marketing
Adam Schreiber
VP R&D
Daniel Sevitt
Head of Content
Tony Grossman
Head of Customer Success
Noa Wortzman
Head of HR