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Published Journalism:

My portfolio on Muck Rack: https://muckrack.com/splash_stumble/portfolio

500+ published articles and technical guides on cryptocurrency and blockchain

https://cryptocoinspy.com/author/mark-hartley/

300+ published cryptocurrency and blockchain articles

https://www.cryptochronicle.com/author/mark-hartley/

Casino Chronicle
Journalistic articles about online gambling technology

https://casinochronicle.net/author/mark-hartley

Wagered.com
Journalistic articles about online betting statistics

https://www.wagered.com/author/mark-hartley/

betting reporter logo
Articles about betting news and odds

https://www.bettingreporter.com/author/mark-hartley


Bicycle Guides


DJ Articles