# QiSpace™ SEQUR vs ZeroTier Quantum: side-by-side comparison (2026)

[QiSpace™ SEQUR](https://cybersectools.com/tools/qispacetm-sequr) is a commercial [quantum key distribution & QRNG](https://cybersectools.com/categories/qkd-qrng) solution by [Quantropi](https://cybersectools.com/companies/quantropi). [ZeroTier Quantum](https://cybersectools.com/tools/zerotier-quantum) is a commercial [post-quantum cryptography](https://cybersectools.com/categories/post-quantum-cryptography) solution by [ZeroTier](https://cybersectools.com/companies/zerotier). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [ZeroTier Quantum](https://cybersectools.com/tools/zerotier-quantum)

Best for: Distributed teams needing quantum-safe overlay networking across mixed environments

The trade-off is that ZeroTier Quantum is not a cryptographic management platform. It does not give you a CBOM, compliance reports, or a migration workflow for your existing PKI. It secures the network layer going forward. Teams that need to address the harvest-now-decrypt-later threat for data already in transit should pair this with a cryptographic inventory solution. For greenfield deployments or teams building new distributed infrastructure, ZeroTier Quantum is one of the more operationally straightforward ways to get post-quantum network security in place.

From [Best Post-Quantum Cryptography Solutions for Business](https://cybersectools.com/shortlists/best-post-quantum-cryptography-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

## Side-by-side comparison

| | QiSpace™ SEQUR | ZeroTier Quantum |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Quantum Key Distribution & QRNG | Post-Quantum Cryptography |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Quantropi | ZeroTier |
| Headquarters | – | – |

### Use cases and capabilities

| | QiSpace™ SEQUR | ZeroTier Quantum |
|---|---|---|
| Quantum Safe | Yes | Yes |
| Entropy | Yes | – |
| Encryption | Yes | Yes |
| Key Management | Yes | – |
| Crypto | Yes | – |
| Security as a Service | Yes | – |
| NIST | Yes | – |
| Protocol | Yes | – |
| Infrastructure | Yes | – |
| Benchmark | Yes | – |
| Private Networks | – | Yes |
| Network Segmentation | – | Yes |
| Zero Trust Architecture | – | Yes |
| ZTNA | – | Yes |
| Microsegmentation | – | Yes |
| IoT Security | – | Yes |
| Network Monitoring | – | Yes |
| Remote Access | – | Yes |

### Core features

**QiSpace™ SEQUR**

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

**ZeroTier Quantum**

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

### Integrations

**QiSpace™ SEQUR**

1 integration listed. Sign in on the page to see them.

**ZeroTier Quantum**

No integrations listed.

## QiSpace™ SEQUR vs ZeroTier Quantum FAQ

Common questions when comparing QiSpace™ SEQUR vs ZeroTier Quantum for quantum key distribution & QRNG.

### What is the difference between QiSpace™ SEQUR and ZeroTier Quantum?

**QiSpace™ SEQUR**: QEaaS platform for quantum entropy generation and secure distribution to endpoints. Built by Quantropi.

**ZeroTier Quantum**: Post-quantum secure network overlay platform for distributed environments. Built by ZeroTier.

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

### Who makes QiSpace™ SEQUR and ZeroTier Quantum?

**QiSpace™ SEQUR** is made by Quantropi. **ZeroTier Quantum** is made by ZeroTier. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is QiSpace™ SEQUR a good alternative to ZeroTier Quantum?

In part. QiSpace™ SEQUR and ZeroTier Quantum are not in the same category on CybersecTools. Both cover Quantum Safe, Encryption. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [QiSpace™ SEQUR vs QbitShield](https://cybersectools.com/compare/qbitshield-vs-qispacetm-sequr)
- [QiSpace™ SEQUR vs SpeQtral](https://cybersectools.com/compare/qispacetm-sequr-vs-speqtral)
- [QiSpace™ SEQUR vs QuintessenceLabs Technology Portfolio](https://cybersectools.com/compare/qispacetm-sequr-vs-quintessencelabs-technology-portfolio)
- [ZeroTier Quantum vs QbitShield](https://cybersectools.com/compare/qbitshield-vs-zerotier-quantum)
- [ZeroTier Quantum vs SpeQtral](https://cybersectools.com/compare/speqtral-vs-zerotier-quantum)
- [ZeroTier Quantum vs QuintessenceLabs Technology Portfolio](https://cybersectools.com/compare/quintessencelabs-technology-portfolio-vs-zerotier-quantum)

## Alternatives to each

- [See all QiSpace™ SEQUR alternatives](https://cybersectools.com/alternatives/qispacetm-sequr)
- [See all ZeroTier Quantum alternatives](https://cybersectools.com/alternatives/zerotier-quantum)

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Source: https://cybersectools.com/compare/qispacetm-sequr-vs-zerotier-quantum

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

More on QiSpace™ SEQUR and ZeroTier Quantum: 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