hello, dev.
i thought you need to solve this problem.
let your coin daemon run 24 hours a day or ppl will not get confirms.
look here:
http://explorer.multicoin.me/chain/MultiCoin

2476   2014-04-28 08:31:50   3   414434891.74712838   0.02   300000050   1.94909   934.042   87.2755%
2475   2014-04-28 08:31:17   3   414935693.63354769   0.02   300000050   1.94897   934.042   87.2759%
2474   2014-04-28 08:30:16   2   208160840.10991025   0.083   300000050   1.94875   934.041   87.2768%
2473   2014-04-26 20:21:15   3   418067787.92653999   0.02   300000050   1.48764   932.535   89.228%
2472   2014-04-26 20:21:01   3   418076561.7299098   0.021   300000050   1.48759   932.535   89.2282%
2471   2014-04-26 20:19:58   3   418281010.26489787   0.034   300000050   1.48736   932.534   89.2293%
2470   2014-04-26 20:18:22   3   418512312.62268125   0.011   300000050   1.48703   932.533   89.2308%
2469   2014-04-26 20:18:02   3   419474917.7395065   0.046   300000050   1.48696   932.533   89.2312%
2468   2014-04-25 05:26:47   1   0   0.038   300000050   1.02799   930.914   91.5663%
2467   2014-04-25 05:25:57

everyday your coin daemon run 3 mins?
that will not allow ppl trade their coins in exchanges 24/7.
then it will be turn into a SCAM!