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Blockchain Timestamping for Documents & Files — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Information And Network Security →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
nexalifevault.com ↗	66 match 2 shared topics	Nexa Life Vault – Securely Manage Your Documents	United Kingdom~ en	information-and-network-security	robots llmsaihumans	email phone	partial · 8
nextlevel-notebook.com ↗	65 match 2 shared topics	Secure Document Archive	en	information-and-network-security	robotsllmsaihumans	emailphone	none
blockchainpreserve.com ↗	64 match 2 shared topics	BlockchainPreserve - Blockchain Proof of Existence	en	information-and-network-security	robotsllmsaihumans	emailphone	none
bobbyblockchain.com ↗	64 match 2 shared topics	BobbyBlockchain — Private Blockchain Data Sovereignty	en	information-and-network-security	robotsllmsaihumans	emailphone	partial · 8
quickupload.io ↗	62 match 2 shared topics	Secure File Sharing Made Simple	en	information-and-network-security	robotsllmsaihumans	emailphone	none
liquid-file.co ↗	62 match 2 shared topics	LiquidFiles \| Secure File Transfer on Your Infrastructure	Colombia en	information-and-network-security	robotsllmsaihumans	emailphone	none
liquid-files.co ↗	62 match 2 shared topics	LiquidFiles \| Secure File Transfer on Your Infrastructure	Colombia en	information-and-network-security	robotsllmsaihumans	emailphone	none
liquidfiles.co ↗	62 match 2 shared topics	LiquidFiles \| Secure File Transfer on Your Infrastructure	Colombia en	information-and-network-security	robotsllmsaihumans	emailphone	none
hypervault.co ↗	62 match 2 shared topics	Hypervault - A Digital Vault for All Your Trusted & Confidential Data	Colombia en	data-storage-and-warehousing	robotsllmsaihumans	emailphone	none
0up.io ↗	62 match 2 shared topics	0up - encrypted file sharing	en	data-storage-and-warehousing	robotsllmsaihumans	emailphone	none
dataxchange.eu ↗	61 match 2 shared topics	dataXchange - Secure File Transfer	European Union en	information-and-network-security	robotsllmsaihumans	email phone	none
blindfile.io ↗	61 match 2 shared topics	Blind File \| Zero-Knowledge File Transfer	en	data-storage-and-warehousing	robotsllmsaihumans	emailphone	partial · 8
bramtrust.com ↗	61 match 2 shared topics	BramTrust Security — Premium Private Vault Services	en	information-and-network-security	robots llmsaihumans	emailphone	none
tukangtagih.com ↗	61 match 2 shared topics	DIAN4D \| Storage Penyimpan File Amp With DMCA Protection	en	data-storage-and-warehousing	robotsllmsaihumans	emailphone	partial · 8
360wellness.tech ↗	61 match 2 shared topics	Revolutionizing Data Security with Quantum Dot Technology \| Quanta Infinitum Data	en	information-and-network-security	robotsllmsaihumans	emailphone	none
tutimebox.com ↗	61 match 2 shared topics	Time Box – Tu cofrecito digital	en	data-storage-and-warehousing	robotsllmsaihumans	emailphone	none
csd-mwd.org ↗	61 match 2 shared topics	Cyber Sphere Data - Advanced Data Solutions & Security	en	information-and-network-security	robotsllmsaihumans	email phone	none
rizviventures.com ↗	61 match 2 shared topics	Rizvi Ventures Inc \| Forensic Data Integrity	en	information-and-network-security	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.