# Atsign Platform vs PassiveBolt: side-by-side comparison (2026)

[Atsign Platform](https://cybersectools.com/tools/atsign-platform) is a commercial [decentralized identity](https://cybersectools.com/categories/decentralized-identity) solution by [Atsign](https://cybersectools.com/companies/atsign). [PassiveBolt](https://cybersectools.com/tools/passivebolt) is a commercial [decentralized identity](https://cybersectools.com/categories/decentralized-identity) solution by [KeyShare](https://cybersectools.com/companies/passivebolt). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Atsign Platform | PassiveBolt |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Decentralized Identity | Decentralized Identity |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Atsign | KeyShare |
| Headquarters | – | – |

### Use cases and capabilities

| | Atsign Platform | PassiveBolt |
|---|---|---|
| Zero Trust Architecture | Yes | – |
| Encryption | Yes | – |
| Authentication | Yes | Yes |
| ZTNA | Yes | – |
| Non-Human Identity | Yes | – |
| Private Networks | Yes | – |
| Key Management | Yes | – |
| Microsegmentation | Yes | – |
| Agentic AI Security | Yes | – |
| Infrastructure | Yes | – |
| Physical Security | – | Yes |

### Core features

**Atsign Platform**

8 features listed. Sign in on the page to see them.

**PassiveBolt**

10 features listed. Sign in on the page to see them.

### Integrations

**Atsign Platform**

2 integrations listed. Sign in on the page to see them.

**PassiveBolt**

2 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Atsign Platform](https://cybersectools.com/tools/atsign-platform) fits if you are a startup.

## Atsign Platform vs PassiveBolt FAQ

Common questions when comparing Atsign Platform vs PassiveBolt for decentralized identity.

### What is the difference between Atsign Platform and PassiveBolt?

**Atsign Platform**: Cryptographic identity & secure comms platform eliminating exposed network infra. Built by Atsign.

**PassiveBolt**: Web3-based decentralized identity platform for access control using crypto. Built by KeyShare.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Atsign Platform and PassiveBolt?

**Atsign Platform** is made by Atsign. **PassiveBolt** is made by KeyShare. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Atsign Platform a good alternative to PassiveBolt?

Often, yes. Atsign Platform and PassiveBolt are both Decentralized Identity products, and both cover Authentication. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Atsign Platform vs Anonybit Decentralized Biometrics Storage](https://cybersectools.com/compare/anonybit-decentralized-biometrics-storage-vs-atsign-platform)
- [Atsign Platform vs Digital ID Wallet](https://cybersectools.com/compare/atsign-platform-vs-digital-id-wallet)
- [Atsign Platform vs Hopae](https://cybersectools.com/compare/atsign-platform-vs-hopae)
- [PassiveBolt vs Anonybit Decentralized Biometrics Storage](https://cybersectools.com/compare/anonybit-decentralized-biometrics-storage-vs-passivebolt)
- [PassiveBolt vs Digital ID Wallet](https://cybersectools.com/compare/digital-id-wallet-vs-passivebolt)
- [PassiveBolt vs Hopae](https://cybersectools.com/compare/hopae-vs-passivebolt)

## Alternatives to each

- [See all Atsign Platform alternatives](https://cybersectools.com/alternatives/atsign-platform)
- [See all PassiveBolt alternatives](https://cybersectools.com/alternatives/passivebolt)

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Source: https://cybersectools.com/compare/atsign-platform-vs-passivebolt

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/atsign-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Atsign Platform and PassiveBolt: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md