[{"data":1,"prerenderedAt":125},["ShallowReactive",2],{"project-11660781":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":29,"sentiment":30,"stance_mix":31,"scored_comments":33,"aspects":34,"strip":36,"post_text":30,"what":38,"said":48,"maker_in_thread":69,"shape":77,"grid":80,"attempts":88,"same_week":89,"maker_shows":117,"maker_hidden":118,"reader_version":119,"card":120},"11660781","Hackchain","Continuous Bitcoin-Inspired CTF Competition","title","Show HN: Hackchain – Continuous Bitcoin-Inspired CTF Competition","http:\u002F\u002Fhackcha.in\u002F","hackcha.in","indutny",1462809458,2016,83,4,457,2264,21,"notable","security_privacy","capture the flag competition","web_app",[24,25,26,27,28],"capture the flag","blockchain","bitcoin","security challenge","ctf","quiet",null,{"positive":32,"neutral":33,"mixed":32,"critical":32},0,2,{"idea":35},{"positive":32,"critical":32},[37,32,37,32],3,{"problem":39,"audience":30,"pricing":30,"motivation":30,"time_to_build":30,"stack":45,"openness":46,"stage":47,"team_size":46},{"value":40,"source":41,"evidence":42},"Continuous CTF competition built on a Bitcoin-like blockchain","maker",[43],{"id":44},"post",[],"unknown","launched",{"praise":49,"objections":50,"requests":51,"questions":52,"alternatives":53},[],[],[],[],[54,62],{"value":55,"source":56,"evidence":57},"Core War","commenter",[58],{"id":59,"by":60,"text":61},"11661442","tromp","This sounds like Core War [1] meets blockchain. [1] https:\u002F\u002Fen.wikipedia.org\u002Fwiki\u002FCore_War",{"value":63,"source":56,"evidence":64},"857Coin",[65],{"id":66,"by":67,"text":68},"11662162","jlrubin","This seems similar to 857Coin https:\u002F\u002Fgithub.com\u002Fdavidlazar\u002F6.857coin",{"comments":33,"answered":32,"key":70},[71,74],{"id":72,"text":73},"11661494","Indeed it is, thank you for the link!",{"id":75,"text":76},"11663519","It looks like they are not too much similarities, except that they are both took some structure from the Bitcoin. Hackchain is less about signatures, public keys, mining the…",{"commenters":37,"max_depth":33,"maker_replies":33,"first_comment_mins":78,"lifespan_hours":79},82,6,[81,83,86,87],[59,32,37,82,60,32],"project\u002Fneutral\u002Fidea",[72,32,32,84,11,85],"commenter\u002Fneutral\u002Fnone",1,[66,85,37,82,67,32],[75,85,32,82,11,85],[],[90,95,99,104,108,112],{"id":91,"name":92,"points":93,"category":94},"11667494","BitKeeper",384,"dev_tools",{"id":96,"name":97,"points":98,"category":94},"11662057","Minoca OS",168,{"id":100,"name":101,"points":102,"category":103},"11664933","Hydrogen",154,"infrastructure",{"id":105,"name":106,"points":107,"category":20},"11652454","dial2verify-twilio",147,{"id":109,"name":110,"points":111,"category":94},"11658444","Gitsome",85,{"id":113,"name":114,"points":115,"category":116},"11675108","We Work Contract",71,"web_saas",5,false,"v2",{"id":121,"name":5,"line":6,"ai":118,"cat":20,"year":13,"points":14,"comments":15,"rec":29,"s":30,"top":18,"kw":122,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":123,"url":9,"mix":124,"praise":-1,"objection":-1,"sub":21},11660781,[24,25,26,27,28],"3030",[32,33,32,32],1794036544104]