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Signed it with the prize address and never posted again","md",null,{"icon":686},"i-lucide-user-round",true,{"title":263,"description":682},"DBE6POFeSVnlKeEu46fIHGtY0HuNZ2zHt7ytmZbVIuQ",[691,693],{"title":259,"path":260,"stem":261,"description":692,"children":-1},"The team behind bitaps.com and the pybtc and jsbtc libraries. Their mnemonic challenge is a bug bounty on their own Shamir secret sharing.",{"title":267,"path":268,"stem":269,"description":694,"children":-1},"Founder of Ballet and co-founder of BTCC. He printed three BIP38 keys on physical wallets and posted them as puzzles in July 2020.",{"key":263,"name":263,"kind":696,"about":697,"aliases":698,"profiles":699,"addresses":703,"facts":704,"collections":711,"techniques":719,"puzzles":553,"unsolved":715,"chains":722,"prize":723,"unsolvedPrize":724,"ticks":725,"firstStarted":718,"lastStarted":718,"position":727,"total":728,"dataVersion":729},"person","BitcoinTalk account that put 1 BTC behind one question in 2019, signed it with the prize address and never posted again.",[],[700],{"name":701,"url":702},"bitcointalk","https:\u002F\u002Fbitcointalk.org\u002Findex.php?action=profile;u=683826",[],[705,709],{"text":706,"source":707,"date":708},"Opened the thread with the question, the rules and the funding txid, signed by the prize address.","https:\u002F\u002Fbitcointalk.org\u002Findex.php?topic=5096267.msg49190307#msg49190307","2019-01-12",{"text":710,"source":702},"Registered in December 2015 and was last active three minutes after the puzzle post, with four posts in all.",[712],{"key":713,"to":205,"title":714,"total":553,"unsolved":715,"chains":716,"firstStarted":718},"natasha-otomoski","Natasha Otomoski puzzle, 1 BTC",0,[717],"bitcoin","2019-01-12 10:33:13",[720],{"name":721,"count":553},"ascii-private-key",[717],{"BTC":553},{},[726],"solved",24,41,"3dd87c804ae0",1791479552898]