Since there is no registration on your site how do i login my details. I have been trying to wrap up my head to that possibility but cant find a suitable answer to it. I hope i get help here
There is an option for everybody to sign in but if you chose not then you don't have to log your details, you just have to send the payment directly through a bitcoin wallet address that will automatically generated by onehash.
And they will require you to input a receiving address (your wallet) so if you win or there will be a refund, they will send it back to that wallet address automatically.