PQC ImzaZincirX
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QausalUbQbit
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Related Products
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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.
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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.
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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
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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
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PQC Imza:
Audience
Businesses and individuals who send documents for signature
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Qausal:
Audience
Law firms, conveyancers, financial services, healthcare and government suppliers: any organisation whose signed documents must stay verifiable for decades
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PQC Imza:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Qausal:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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PQC Imza:
API
Offers API
Not Supported
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Qausal:
API
Offers API
Supported
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PQC Imza:
Screenshots and VideosNo images available
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Qausal:
Screenshots and VideosNo images available
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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
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Qausal:
Pricing
No information available.
Free Version
Not Supported
Free Trial
Supported
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PQC Imza:
Reviews/
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Qausal:
Reviews/
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PQC Imza:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Qausal:
Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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PQC Imza:
Company InformationZincirX
Founded: 2024
United States
pqc-imza.com/en
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Qausal:
Company InformationUbQbit
Founded: 2025
Australia
qausal.ubqbit.com
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PQC Imza:
Alternatives |
Qausal:
Alternatives |
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PQC Imza:
Categories |
Qausal:
Categories |
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Qausal:
Integrations
Stripe
Not Supported
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PQC Imza:
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Qausal:
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