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A402 alternatives & similar sites

A402 Micropayment Developer Hub — 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
blockchainstats.dev ↗	70 match 2 shared topics	Blockchain Developer Stats	en	technology-and-computing	robotsllmsaihumans	emailphone	none
b10c.me ↗	66 match 2 shared topics	b10c's blog: Bitcoin Developer	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cryptometheus.com ↗	66 match 2 shared topics	🚀 Cryptometheus \| Ranking top crypto projects by developer activity	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blackonyx.dev ↗	65 match 2 shared topics	Black Onyx Developer Portal for Decentralized Finance Innovation \| Black Onyx	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blockeden.xyz ↗	64 match 2 shared topics	BlockEden.xyz \| Web3 Infrastructure & Crypto Payments for Merchants	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blocktxt.org ↗	63 match 2 shared topics	block.txt	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cryptovoter.org ↗	63 match 2 shared topics	CryptoVoter – CryptoVoter Blockchain Voting Hub	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
abs.xyz ↗	63 match 2 shared topics	Home \| Abstract	en	technology-and-computing	robots llmsaihumans	emailphone	none
acki.live ↗	62 match 2 shared topics	acki.live - blockchain explorer	en	technology-and-computing	robotsllmsaihumans	emailphone	partial · 8
0xtraub.com ↗	62 match 2 shared topics	Josh Weintraub	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blockchainsexplained.com ↗	62 match 2 shared topics	Blockchains Explained	en	technology-and-computing	robotsllmsaihumans	emailphone	none
blockchains-explained.com ↗	62 match 2 shared topics	Blockchains Explained	en	technology-and-computing	robotsllmsaihumans	emailphone	none
torvainchain.com ↗	62 match 2 shared topics	TorvainChain — Fast, Low-Fee Blockchain Infrastructure	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cryptosi.org ↗	62 match 2 shared topics	CryptoSI Hub \| Blockchain Innovation & Web3 Talent	en	technology-and-computing	robotsllmsaihumans	emailphone	none
0xharsh.com ↗	62 match 2 shared topics	Harsh Bhatt - Smart Contract Engineer	en	technology-and-computing	robotsllmsaihumans	emailphone	none
coordmarket.com ↗	62 match 2 shared topics	CoordMarket.com \| Coordination Markets on Kaspa	en	technology-and-computing	robotsllmsaihumans	emailphone	none
felixexplorer.com ↗	62 match 2 shared topics	Felix Smart Chain Explorer	en	technology-and-computing	robotsllmsaihumans	emailphone	none
100x.dev ↗	62 match 2 shared topics	Chris Gilbert \| 0xgilbert.eth	en	technology-and-computing	robots llmsaihumans	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.