[{"data":1,"prerenderedAt":483},["ShallowReactive",2],{"project-15759014":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":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":45,"post_text":47,"what":48,"said":86,"maker_in_thread":242,"shape":255,"grid":259,"attempts":444,"same_week":445,"maker_shows":41,"maker_hidden":475,"reader_version":476,"card":477},"15759014","OhMyCo.in","Real-time charts for cryptocurrency markets","title","Show HN: OhMyCo.in – Real-time charts for cryptocurrency markets","http:\u002F\u002Fohmyco.in\u002Fcharts\u002F","ohmyco.in","ArturSoler",1511374390,2017,167,74,219,2242,10,"notable","finance_crypto","crypto market charts","web_app",[24,25,26,27],"cryptocurrency charts","order book","bitcoin charts","real-time trading","mixed",0.079,{"positive":18,"neutral":31,"mixed":32,"critical":33},14,3,7,34,{"design":36,"docs":38,"idea":40,"performance":43,"execution":44},{"positive":32,"critical":37},4,{"positive":39,"critical":39},0,{"positive":41,"critical":42},1,2,{"positive":41,"critical":41},{"positive":39,"critical":39},[32,32,46,32,32,32,46,32,46,41,39,39,32,32,39,46,39,46,46,46,39,32,32,41,39,32,39,46,41,41,32,41,46,39,39,46,32,39,41,39],5,null,{"problem":49,"audience":47,"pricing":55,"motivation":47,"time_to_build":47,"stack":62,"openness":84,"stage":85,"team_size":84},{"value":50,"source":51,"evidence":52},"Watching real-time cryptocurrency market charts and order books in one place","inferred",[53],{"id":54},"post",{"value":56,"source":57,"evidence":58},"Free basic functions; may monetize later without charging for basic functions","maker",[59],{"id":60,"by":11,"text":61},"15760829","Thanks! I may in the future, but if I do it will not be charging for basic functions or inserting obstrusive advertising.",[63,69,73,77],{"value":64,"source":57,"evidence":65},"Scala.js",[66],{"id":67,"by":11,"text":68},"15759442","The frontend is built with ScalaJs and React (using https:\u002F\u002Fgithub.com\u002Fjapgolly\u002Fscalajs-react). The backend is built with Scala too, mostly using Akka Streams for the data…",{"value":70,"source":57,"evidence":71},"React",[72],{"id":67,"by":11,"text":68},{"value":74,"source":57,"evidence":75},"Akka Streams",[76],{"id":67,"by":11,"text":68},{"value":78,"source":57,"evidence":79},"Cassandra",[80,81],{"id":67,"by":11,"text":68},{"id":82,"by":11,"text":83},"15761020","I can store the tick data, although I'm not storing it at the moment (I disabled it for the launch and will test the load that enabling it represents). I use Cassandra with just…","unknown","launched",{"praise":87,"objections":111,"requests":140,"questions":178,"alternatives":208},[88,104],{"value":89,"source":90,"evidence":91},"Clean, fast design and dark theme","commenter",[92,96,100],{"id":93,"by":94,"text":95},"15760198","torbjorn","Looks excellent. I have no data to back this up but it feels very crisp and fast in the browser. I must say however that the idea having the orderbook on the left side of the…",{"id":97,"by":98,"text":99},"15763880","lnbharath","Great app. Looks slick. Love the dark theme. Please add support for more exchanges. IMO, TradingView is a better alternative https:\u002F\u002Fwww.tradingview.com\u002F",{"id":101,"by":102,"text":103},"15760572","bweis","Love the look and feel of the site, great work! Which exchange is this data being pulled from (multiple?)?",{"value":105,"source":90,"evidence":106},"Works smoothly on mobile",[107],{"id":108,"by":109,"text":110},"15760526","champagnepapi","This is very good! Great job, works pretty smooth on mobile (Google Pixel XL).",[112,116,123,130],{"value":113,"source":90,"evidence":114},"Order book on left side is unusual",[115],{"id":93,"by":94,"text":95},{"value":117,"source":90,"evidence":118},"Time filters are confusing; candle width vs timescale",[119],{"id":120,"by":121,"text":122},"15759381","cbcoutinho","The time filters are broken for me - clicking on '1h' results in a plot of about 3 days.",{"value":124,"source":90,"evidence":125},"Order book numbers overlap on smaller screens",[126],{"id":127,"by":128,"text":129},"15771388","ryanmonroe","On smaller screens, e.g. my 1440x900 screen, the numbers in the order book on the left overlap.",{"value":131,"source":90,"evidence":132},"Only supports a few exchanges",[133,137],{"id":134,"by":135,"text":136},"15763144","askmike","Looks great, would love to see some exchanges supported that people outside the US can actually use (GDAX is not accessible to most people in EU).",{"id":138,"by":11,"text":139},"15760617","Thanks! There are different markets available, indicated by the white dropdown at the top. Currently supporting GDAX and Gemini, but many more coming soon!",[141,146,153,164,171],{"value":142,"source":90,"evidence":143},"Support more exchanges",[144,145],{"id":97,"by":98,"text":99},{"id":134,"by":135,"text":136},{"value":147,"source":90,"evidence":148},"Add log scale",[149],{"id":150,"by":151,"text":152},"15759993","Phang0","add log scale please",{"value":154,"source":90,"evidence":155},"Explain how to interpret charts",[156,160],{"id":157,"by":158,"text":159},"15759285","samrohn778","Great tool. Perhaps it would be great if you could also add details about how to interpret the real-time charts for new visitors.",{"id":161,"by":162,"text":163},"15787596","swah","Can you explain the bottom chart?",{"value":165,"source":90,"evidence":166},"Add a currency converter",[167],{"id":168,"by":169,"text":170},"15762622","JohnTHaller","Suggestion: Add a 'converter' feature, maybe as a simple JS popup\u002Foverlay, so users can type in an arbitrary amount of specified coins\u002FUSD and convert between them. A lot of…",{"value":172,"source":90,"evidence":173},"Support GBP pairs",[174],{"id":175,"by":176,"text":177},"15761082","7ewis","Would use it if it showed more Crypto to GBP graphs.",[179,190,197],{"value":180,"source":90,"evidence":181},"What is the tech stack and database",[182,186],{"id":183,"by":184,"text":185},"15759423","LAMike","Looks great, what did you build this with?",{"id":187,"by":188,"text":189},"15760937","IamHWengineer","Do you store the tick data in a database? if so what database do you use? And also, is it a matter of using the API from the exchange and displaying it in your format? Thanks",{"value":191,"source":90,"evidence":192},"Is the source code available",[193],{"id":194,"by":195,"text":196},"15760586","peternicky","Nice work, is the source available?",{"value":198,"source":90,"evidence":199},"Plans to monetize",[200,204],{"id":201,"by":202,"text":203},"15760785","Lufton","Nice work! I love the layout. I'm curious if you have any plan to monetize in the future? - Or if there is a common way you could monetize a site like this?",{"id":205,"by":206,"text":207},"15760575","bousaid","This must be costing you a lot. Do you have plans to monetize? Great work!",[209,220,228,235],{"value":210,"source":90,"evidence":211},"CryptoWatch",[212,216],{"id":213,"by":214,"text":215},"15759281","ni-hil","Cool, anything that differentiates you from https:\u002F\u002Fcryptowat.ch\u002F ?",{"id":217,"by":218,"text":219},"15760922","lee101","Hey love the charts, it does look like cryptowatch (which is a complement), i havn't looked at traderwatch much but it is paid and lots of noise there with people creating…",{"value":221,"source":90,"evidence":222},"TradingView",[223,224],{"id":97,"by":98,"text":99},{"id":225,"by":226,"text":227},"15759578","floydman","I'm not sure why i'd want to use this site when i can just go to tradingview",{"value":229,"source":90,"evidence":230},"GDAX dashboard",[231],{"id":232,"by":233,"text":234},"15759810","nodesocket","Gdax is more responsive. https:\u002F\u002Fwww.gdax.com\u002Ftrade\u002FBTC-USD",{"value":236,"source":90,"evidence":237},"Bitcoinity",[238],{"id":239,"by":240,"text":241},"15759477","Merthurian","This is very nice. I usually watch the combined order book on bitcoinity. I just leave it running in the back ground and check it now and again. One day the IT admin at work…",{"comments":243,"answered":244,"key":245},23,9,[246,249,252],{"id":247,"text":248},"15760346","Thanks. I've certainly spent some efforts on the client optimization, as some markets produce lots of events per second. BTC-USD and BTC-EUR on GDAX, for example, are often over…",{"id":250,"text":251},"15759361","Thanks for your feedback. I will look into that.",{"id":253,"text":254},"15759353","As a start I'm looking for a different tradeoff in regards of presentation and screen utilization (screen real state is a really scarce asset in this kind of tool). This being a…",{"commenters":256,"max_depth":46,"maker_replies":243,"first_comment_mins":257,"lifespan_hours":258},43,29,168,[260,262,264,266,268,272,275,277,279,280,282,284,287,289,290,293,297,299,301,303,307,309,312,314,317,320,324,327,328,329,333,335,337,340,345,346,347,352,355,358,359,362,365,368,370,373,375,377,381,383,386,389,392,394,396,398,400,402,406,408,410,411,413,415,418,421,423,426,428,430,432,434,438,442],[239,39,32,261,240,39],"project\u002Fneutral\u002Fnone",[93,41,32,263,94,39],"project\u002Fmixed\u002Fdesign",[247,41,39,265,11,41],"maker\u002Fneutral\u002Fperformance",[217,42,46,267,218,39],"project\u002Fpositive\u002Fdesign",[269,42,39,270,271,39],"15762043","other\u002Fneutral\u002Fnone","scottrepreneur",[273,42,39,270,274,39],"15762312","donpdonp",[157,32,32,276,158,39],"project\u002Fneutral\u002Fdocs",[250,32,39,278,11,41],"maker\u002Fneutral\u002Fdocs",[97,37,32,263,98,39],[213,46,32,281,214,39],"project\u002Fneutral\u002Fidea",[253,46,39,283,11,41],"maker\u002Fneutral\u002Fidea",[285,46,46,286,214,39],"15759413","maker\u002Fpositive\u002Fnone",[183,288,32,261,184,39],6,[67,288,39,261,11,41],[291,288,46,286,292,39],"15760593","jadbox",[294,288,32,295,296,39],"15762082","project\u002Fneutral\u002Fdesign","tstyle",[298,288,39,295,11,41],"15763290",[232,33,41,300,233,39],"project\u002Fcritical\u002Fperformance",[302,33,39,295,11,41],"15759946",[304,33,39,305,306,39],"15760113","commenter\u002Fneutral\u002Fperformance","ChristianGeek",[308,33,39,305,11,41],"15760443",[310,33,39,311,135,39],"15763432","commenter\u002Fneutral\u002Fdesign",[168,313,32,281,169,39],8,[315,313,39,270,316,39],"15762650","electic",[318,244,32,281,319,39],"15761244","m333t",[321,244,39,322,323,39],"15762266","commenter\u002Fneutral\u002Fnone","abrkn",[325,244,39,322,326,39],"15769188","joombaga",[101,18,46,267,102,39],[138,18,39,261,11,41],[330,331,39,270,332,39],"15759668",11,"sjc01234",[334,331,39,270,332,39],"15760517",[336,331,39,322,11,41],"15760797",[108,338,46,339,109,39],12,"project\u002Fpositive\u002Fperformance",[341,342,46,343,344,39],"15759995",13,"project\u002Fpositive\u002Fnone","osrec",[201,31,32,281,202,39],[60,31,39,281,11,41],[348,349,46,350,351,39],"15764030",15,"project\u002Fpositive\u002Fidea","joshfarrant",[353,349,39,354,11,41],"15764507","maker\u002Fneutral\u002Fnone",[187,356,32,357,188,39],16,"project\u002Fneutral\u002Fexecution",[82,356,39,357,11,41],[360,356,32,357,361,39],"15762869","qmarchi",[363,356,39,322,364,39],"15763841","jespern",[134,366,41,367,135,39],17,"project\u002Fcritical\u002Fidea",[369,366,39,261,11,41],"15763284",[371,366,39,270,372,39],"15763388","jkirsteins",[374,366,39,270,135,39],"15763417",[376,366,39,322,11,41],"15763618",[378,379,32,357,380,39],"15759738",18,"igorgue",[382,379,39,357,11,41],"15759776",[384,379,46,385,380,39],"15759806","maker\u002Fpositive\u002Fdesign",[387,379,39,270,388,39],"15765372","dklodner",[127,390,41,391,128,39],19,"project\u002Fcritical\u002Fdesign",[393,390,39,354,11,41],"15783205",[395,390,41,391,128,39],"15809088",[120,397,41,391,121,39],20,[399,397,39,295,11,41],"15759402",[401,397,32,276,121,39],"15760065",[403,404,41,391,405,39],"15760357",21,"agorabinary",[407,404,39,295,11,41],"15760474",[161,409,32,276,162,39],22,[205,243,46,286,206,39],[412,243,39,305,202,39],"15760669",[414,243,39,305,206,39],"15761820",[416,243,39,417,11,41],"15760684","maker\u002Fneutral\u002Fpricing",[175,419,32,420,176,39],24,"project\u002Fmixed\u002Fidea",[194,422,46,286,195,39],25,[424,422,39,425,11,41],"15760769","project\u002Fneutral\u002Fprivacy",[150,427,32,295,151,39],26,[429,427,39,385,11,41],"15760038",[431,427,39,385,11,41],"15783212",[225,433,41,367,226,39],27,[435,433,39,436,437,39],"15759711","commenter\u002Fneutral\u002Fpricing","jamiegreen",[439,433,39,440,441,39],"15759875","commenter\u002Fcritical\u002Fnone","dvt",[443,433,39,281,11,41],"15759964",[],[446,451,456,461,466,470],{"id":447,"name":448,"points":449,"category":450},"15739744","Harvest Signal",572,"consumer_social",{"id":452,"name":453,"points":454,"category":455},"15757844","LogoFox",431,"creative",{"id":457,"name":458,"points":459,"category":460},"15761537","Gophercises",328,"learning_science",{"id":462,"name":463,"points":464,"category":465},"15736090","Boltzmann Machines",201,"ai",{"id":467,"name":468,"points":469,"category":455},"15720448","Chord Progressions",161,{"id":471,"name":472,"points":473,"category":474},"15731936","node-prune",111,"dev_tools",false,"v2",{"id":478,"name":5,"line":6,"ai":475,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":479,"top":18,"kw":480,"maker":11,"domain":10,"tier":19,"attempts":39,"strip":481,"url":9,"mix":482,"praise":89,"objection":113,"sub":21},15759014,0.08,[24,25,26,27],"3353335351003305055503310305113150053010",[18,31,32,33],1793990966878]