Aristhor is in beta testing
The service is currently being tested by invited users. Accounts are scheduled to open to the public on 3 November 2026.
Discover Aristhor's services for individuals, families, and organizations of any size.
Authenticate your data with your personal or professional blockchains and build your network of trust.
Enjoy attractive launch pricing!
Need one more person? Add people to your offer at any time, prorated to the remaining period.
When it is more advantageous, we automatically suggest the higher offer.
Discovery
1 people
0 € / Free!
| Multiple features close to those of the SOLO offer, with some limitations. |
TEAM S
5 people
89 € / year
+ €17,80 / year per added person. Worthwhile up to 7 people, higher plan beyond.
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Tax included
VAT included 20%
Subscription for 12 consecutive months
| Everything included in the DUO offer plus: |
| + Priority ticket support for the team manager. |
|
Team M - 10 people
1 €,15 / month / person - 139 € / year Coming soon... + €13,90 / year per added person. Worthwhile up to 28 people, higher plan beyond. |
|
Team L - 50 people
0 €,70 / month / person - 399 € / year Coming soon... + €7,98 / year per added person. Worthwhile up to 150 people, higher plan beyond. |
|
Team XL - 200 people
0 €,50 / month / person - 1199 € / year Coming soon... |
| Team XXL > 200 people - On quote, contact us |
DUO
2 people
47 €,50 / year
+ €23,75 / year per added person. Worthwhile up to 3 people, higher plan beyond.
Already have an account?
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Tax included
VAT included 20%
Subscription for 12 consecutive months
| Everything included in the SOLO offer plus: |
| + Management of your team accounts and creation of information |
SOLO
1 people
29 € / year
Already have an account?
Log in
Tax included
VAT included 20%
Subscription for 12 consecutive months
| Generation of asymmetric key pairs for signing. Public key deposit |
| Signing of any digital document |
| Download and access to the Blocksthor Maker |
| Your private Blocksthor blockchains to authenticate your important documents |
| Organization of your trust networks |
| Various tools: cryptographic fingerprints, converters, secret splitting, etc. |
| Documentation on security and trust-building techniques |
| Secure "AIR GAP" optical data transfer between devices |
| Online support via FAQ and an active help forum |
Listening to your suggestions is our priority.
Every month, we improve or develop new features.
All offers benefit from these constant improvements.
Thank you for your trust!
SOLO / DUO / TEAM
Blocksthor BlockchainEasily create your blocksthor: private personal or professional blockchains to authenticate your important documents by yourself and with the help of your warrantors (photo, video, diploma, certification, agreement, contract, letter, report, social media post, etc.) Full export and portability of your blockchains with our Blocksthor Maker application. Creation and storage of 10 blocksthor per user. Each blocksthor can have up to 50 active warrantors. For TEAM offers from XL upward, two blocksthor can have as many warrantors as the maximum number of accounts (200 and above). Specificity of the free Discovery account: 1 blocksthor created and stored, and up to 2 invited warrantors on this blocksthor. |
Generation of asymmetric key pairs for signingCreate, manage, and revoke your digital signature asymmetric keys independently. |
Public key depositsStorage of up to 5 active public keys per user. Key classification by security level, up to 50 revoked keys kept, fingerprint and email search, expiry reminder notifications, etc. Specificity of the free Discovery account: storage of one active public key and up to 5 revoked keys. |
Various toolsMultiple cryptographic fingerprint (hash) generation, secret protection (Shamir), converters, assistance through the FAQ and a moderated help forum, etc. |
Secure "AIR GAP" optical data transfer between devicesCreate data carriers for secure optical transfer between ONLINE and OFFLINE devices (AIR GAP): signature, fingerprint, encrypted sensitive data, keys, etc. Automatic splitting and reassembly of data. Quick visual verification of data integrity after transfer. |
Organization of your trust networkSign the fingerprints of your network members' public keys and thereby spread trust. Your network can include any user, including those on the free "Discovery" plan. Storage of up to 100 signatures made by users for your primary public key, and up to 50 signatures for each of your other public keys. You can perform up to 300 signatures of users' public keys. Specificity of the free Discovery account: storage of up to 3 signatures made by users for your active public key. Perform up to 15 signatures of public keys deposited on their owners' accounts. |
Team management starting from the DUO and TEAM offersManagement of your team accounts. Creation of information dedicated to your team. |