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Cryptocurrency related sites that offer unique content & tools

academicStudies & analysis from academic institutions
blockchain analysisTools & sites specializing in analyzing blockchains
block explorersTools & sites that allow viewing and searching blockchains
codingCoding, scripting, programming tools & sites
educationalBlockchain & cryptocurrency educational sites
exchangesSites that bring together cryptocurrency buyers and sellers
gamingGaming, wagering, prediction markets, or entertainment related
mempoolMempool explorers, analysis, tools
networkNetwork explorers, analysis, tools
newsNews, commentary, opinion, blogs, etc
price dataMarket, trading & price related technical data
second layerSecond layer solutions for scaling & other specialized applications
visualizationBlockchain & network visualization sites & tools
walletsSoftware & tools to store & organize private keys & transactions

REFER A NEW LINK - Link referrals that offer unique content or tools will be rewarded with 50 dogecoin as a thank you. Coins will be sent to the address provided after the link is approved by opreturn.net.

A link referral should meet these criteria for approval:
   - A new link not currently saved at opreturn.net/links
   - All entry fields should be filled in with accurate information.
   - Content is related to bitcoin, litecoin, or dogecoin and is primarily in English.
   - The site should offer unique content or tools that can be assigned to one of the listed topics.
   - Limited adds; no schemes, malware, or deceitful content allowed.