Our website:
http://crypto-lottery.net/, a lottery native based on bitcoin, the algorithm seems like the mining algorithm of bitcoin. The winner was depended on the data of blockchain, so nobody can chage it!It supports btc, ltc, dogecoin and some other altcoins.

details:
https://bitcointalk.org/index.php?topic=478396.0

here is the wiki,
https://en.bitcoin.it/wiki/CryptoLottery

We are good at tech, but it's a little hard to do website promotion, if you have interest in our project, reply or pm me:)

All our incomings are on the blockchain, we can share them.