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DoubleJ Blocks - The New Standard for Blockchain APIs — 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 Technology And Computing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
blockchaincommons.com ↗	66 match 2 shared topics	Welcome to Blockchain Commons	en	technology-and-computing	robotsllmsaihumans	emailphone	none
omniscia.io ↗	65 match 2 shared topics	Omniscia - Blockchain Security Audits	en	information-and-network-security	robotsllmsaihumans	emailphone	none
1f.ai ↗	65 match 2 shared topics	1F — Drop-in blockchain infra, real-time stream, and forensics	en	technology-and-computing	robotsllmsaihumans	emailphone	none
aphyla.com ↗	64 match 2 shared topics	Aphyla - Smart Contract Audits & Blockchain Outsourcing	en	information-and-network-security	robotsllmsaihumans	emailphone	none
base58.io ↗	64 match 2 shared topics	Base58 \| Blockchain Engineering & Smart Contract Security	en	technology-and-computing	robotsllmsaihumans	emailphone	none
datasofthub.com ↗	64 match 2 shared topics	Secure Blockchain \| Blockchain Technology, Decentralization & Security Blog \| Secure Blockchain	en	information-and-network-security	robotsllmsaihumans	emailphone	none
antifaketoken.com ↗	64 match 2 shared topics	AFTK — Verify Digital Authenticity on Blockchain	en	information-and-network-security	robotsllmsaihumans	emailphone	none
onchainproofs.com ↗	64 match 2 shared topics	onchainproofs \| The Verification Stack for On-Chain Claims	en	technology-and-computing	robotsllmsaihumans	emailphone	none
0sbs.com ↗	64 match 2 shared topics	0SBS - The Truth on Tech	en	information-and-network-security Weebly	robotsllmsaihumans	emailphone	none
7xter.com ↗	63 match 2 shared topics	Home - The Zero Hack	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
3pmobile.com ↗	63 match 2 shared topics	3PMobile - The Receiving Boundary Layer	en	technology-and-computing	robotsllmsaihumans	emailphone	none
elk.finance ↗	62 match 2 shared topics	ElkNet - Cross-Chain Infrastructure for Web3 and DeFi	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
ezsuite.dev ↗	62 match 2 shared topics	Libraries for the boring stuff - EZSuite	en	technology-and-computing	robotsllmsaihumans	emailphone	none
hacktricks.wiki ↗	62 match 2 shared topics	HackTricks - HackTricks	en	technology-and-computing	robotsllmsaihumans	emailphone	none
requestrocket.com ↗	62 match 2 shared topics	RequestRocket - Access Control for 3rd Party APIs	en	information-and-network-security	robots llmsaihumans	emailphone	none
spreadsafe.com ↗	62 match 2 shared topics	SpreadSafe - Tech Powered News for Safer Living	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	partial · 8
heroicpanda.com ↗	62 match 2 shared topics	Security for the Rest of Us \| Nathan Walker \| Substack	en	information-and-network-security	robotsllmsaihumans	emailphone	none
doonve.digital ↗	62 match 2 shared topics	Slashhack - News for 31337 Kiddies	en	technology-and-computing	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.