PQC Imza

PQC Imza

ZincirX
Qausal

Qausal

UbQbit
PQC Imza Qausal

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PQC Imza:

About

PQC Imza is a web-based electronic-signature service that applies ML-DSA-44 (NIST FIPS 204) post-quantum signatures to documents. Senders upload PDFs or prepare documents using templates and an AI-assisted builder, then invite signers and decide which completed signatures to accept. Signers use the PQC Wallet mobile app to verify identity with the NFC chip in an ID card or passport and sign on their phones. The resulting PDF lists signers on each page and includes a QR code for later verification; the document fingerprint and signature records are anchored on SciChain. Customers can buy per-document credits, non-expiring credit packs, or monthly and annual plans; invited signers sign at no charge. The service is designed for individuals and organizations collecting electronic signatures. In Türkiye, these signatures are not qualified secure electronic signatures under Law No. 5070.
Qausal:

About

Qausal is a web-based electronic-signature platform for preparing and verifying signed PDF documents. Users can upload a PDF, invite one or more signers, assign signing roles and sequence, and track signature progress; invitees can sign without creating an account. Qausal uses ML-DSA-65, the post-quantum digital-signature algorithm standardized as FIPS 204, to create signatures intended to remain verifiable against future quantum-computing risks. Signature data, public keys, and digests are embedded in the signed PDF, and users can download a proof bundle for independent offline verification with open-source tools. Qausal also supports adding a quantum-safe attestation to documents signed through other services without altering the original document. It is intended for organizations that need durable verification of agreements and records, including legal, financial, healthcare, and government-related workflows.
PQC Imza:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Supported
iPad Not Supported
Android Supported
Chromebook Not Supported
Qausal:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
PQC Imza:

Audience

Businesses and individuals who send documents for signature
Qausal:

Audience

Law firms, conveyancers, financial services, healthcare and government suppliers: any organisation whose signed documents must stay verifiable for decades
PQC Imza:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Qausal:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
PQC Imza:

API

Offers API Not Supported
Qausal:

API

Offers API Supported
PQC Imza:

Screenshots and Videos

No images available
Qausal:

Screenshots and Videos

No images available
PQC Imza:

Pricing

$9/month
Pay as you go: $2.50 per document. Monthly plans start at $9/month for 10 documents; Pro is $29/month for 40 documents and up to 5 people; Business is $99/month for 200 documents and up to 20 people. One-time credit packs cost $12 for 10, $26 for 25, or $45 for 50 credits; credits do not expire. Invited signers sign free.
Free Version Not Supported
Free Trial Not Supported
Qausal:

Pricing

No information available.
Free Version Not Supported
Free Trial Supported
PQC Imza:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software
Qausal:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
PQC Imza:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Qausal:

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
PQC Imza:

Company Information

ZincirX
Founded: 2024
United States
pqc-imza.com/en
Qausal:

Company Information

UbQbit
Founded: 2025
Australia
qausal.ubqbit.com
PQC Imza:

Alternatives

Qausal

Qausal

UbQbit
Qausal:

Alternatives

PQC Imza

PQC Imza

ZincirX
PQC Imza:
Qausal:
Majik Signature

Majik Signature

Majikah Solutions OPC
PQC Imza:
Qausal:
PQC Imza:
Qausal:
PQC Imza:
Qausal:
PQC Imza:

Categories

Digital Signature Supported
Qausal:

Categories

Digital Signature Supported
PQC Imza:

Integrations

Stripe Supported
Qausal:

Integrations

Stripe Not Supported
PQC Imza:
Claim PQC Imza and update features and information
Claim PQC Imza and update features and information
Qausal:
Claim Qausal and update features and information
Claim Qausal and update features and information