Keychain

keychain.io

Tokyo, Japan

1-10 employees

LinkedIn Profile

About Keychain

digital assets, distributed ledger, cyber security, data provenance, data security, blockchain, it services & it consulting, b2b, cryptographic keys, information technology and services, trust management, security standards, zero trust, software development, government, consulting, web3 integration, cryptographic security, identity federation, ieee 1363

Keychain's Tech Stack

AI/ML

Decision Makers at Keychain

2 contacts

Kazuyoshi Mishima

Co-Founder COO

k***@keychain.io Sign up to view

Jonathan Hope

Co-Founder & CEO

j***@keychain.io Sign up to view

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13 technologies detected · 2 decision makers · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

Keychain's Position in the StackWho Database

• Keychain is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Keychain).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.

Frequently Asked Questions

What technology does Keychain use?

Keychain uses Outlook, Amazon AWS, Google Cloud Hosting, Route 53, Microsoft Office 365, Google Tag Manager, and 7 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Keychain?

StackWho has verified email addresses for 2 decision makers at Keychain. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Keychain directly for sales, recruiting, or partnerships.

What industry is Keychain in?

Keychain operates in the information technology & services industry, headquartered in Tokyo, Japan. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Keychain's contact data?

Yes. StackWho Pro members can export decision maker contact data for Keychain and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.