PQC ImzaZincirX
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Tvarka SignSocialiniai algoritmai, UAB
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Related Products
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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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About
Tvarka Sign brings document workflows and qualified electronic signatures together, with no subscriptions or seat fees. Pay only for completed signing.
QES prices include the qualified timestamp. Smart-ID/Mobile-ID/LT ID: EUR 0.19 per signature at 1-99/month, falling to EUR 0.16 at 1000+. ID card/USB: EUR 0.13, falling to EUR 0.06. All prices exclude VAT. Team e-signatures are free; external e-signatures cost EUR 0.29 per completed document, any number of signers.
Sign PDF, ADOC and ASiC-E, invite signers, set signing order and reminders, track progress and verify signatures. REST API and MCP connect business systems and agents. The separate ATK card-native developer API costs EUR 0.07 + VAT per operation and requires a card-driving client.
Web, Windows, macOS (beta), Android and iPhone. Personal Android NFC plan: 10 free PDF QES/month with a compatible Lithuanian eID issued after 2024-01-01. Operated by Socialiniai algoritmai, UAB, Lithuania.
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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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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Supported
iPad
Not Supported
Android
Supported
Chromebook
Not Supported
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Audience
Businesses and individuals who send documents for signature
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Audience
European businesses, legal and accounting teams, developers integrating qualified signing, and individuals with supported Lithuanian eIDs
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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Screenshots and Videos |
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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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Pricing
EUR 0.13/card QES + VAT
Qualified signatures, with the qualified timestamp included: Smart-ID/Mobile-ID/LT ID EUR 0.19 / 0.18 / 0.17 / 0.16 per signature; ID card or USB token EUR 0.13 / 0.10 / 0.08 / 0.06, at monthly positions 1-99 / 100-499 / 500-999 / 1000+. All prices exclude VAT. No subscription or seat fees for Tvarka Sign. Team e-signatures are free; external e-signatures cost EUR 0.29 per completed document, any number of signers. Optional SMS codes: EUR 0.10 each. Tvarka Batch: EUR 249/month + VAT. The separate ATK developer API costs EUR 0.07 per successful card-native signing operation, requires a card-driving client and has no minimum volume. Personal Android plan: 10 free PDF QES/month with a compatible Lithuanian eID and NFC phone.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationZincirX
Founded: 2024
United States
pqc-imza.com/en
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Company InformationSocialiniai algoritmai, UAB
Lithuania
tvarka.pro/en/sign/
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Categories |
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Digital Signature Features
Audit Trail
Supported
Authentication
Supported
Auto Reminders
Supported
Customizable Templates
Not Supported
Document Analytics
Not Supported
Mobile Signature
Supported
Multi-Party Signing
Supported
Progress Tracking
Supported
Task Progress Tracking
Not Supported
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