1. Have or make BTC wallet at any wallet website

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2. Make an account at [REF LINK - WILL APPRECIATE IF YOU REGISTER UNDER IT] http://freebitco.in/?r=3396725 include your email, password, and btc wallet. I definitely would like if you would use my ref code 3396725
[NON REF - http://freebitco.in ]

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3. Collect your first bitcoin!
Click the green button at the front page to collect your first bitcoin.

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4. Start earning some real bitcoin!
Click the "multiply bitcoin" tab at the top. 
Open the developers console by pressing Shift + Ctrl + J
Paste the following script in the console, and press enter

Code:
bconfig = {
maxBet: 0.0004200,
wait: 3000,
autoexit: 0.00001,
want: 0.000014,
toggleHilo:false,
startbal: 0,
won: 0,
};
hilo = 'hi';
multiplier = 1;
rollDice = function() {
if ($('#double_your_btc_bet_lose').html() !== '') {
$('#double_your_btc_2x').click();
multiplier = 1;
if(bconfig.toggleHilo)toggleHiLo();
} else {
$('#double_your_btc_min').click();
multiplier = 1;
}
if (parseFloat($('#balance').html()) < (parseFloat($('#double_your_btc_stake').val()) * 2) ||
parseFloat($('#double_your_btc_stake').val()) > bconfig.maxBet) {
console.log($('#double_your_btc_min'));
}
if (parseFloat($('#balance').html()) < bconfig.autoexit) {
throw "exit";
}
if (parseFloat($('#balance').html()) > bconfig.want) {
var num = parseFloat($('#balance').html());
bconfig.want = num + 0.00000030;
bconfig.autoexit = num - 0.00000420;
bconfig.won++;
var total = num - bconfig.startbal;
console.log('Setting bconfig want to: ' + bconfig.want)
console.log('Setting autoexit to: ' + bconfig.autoexit)
console.log('Total won: ' + total + ' BTC')
}
$('#double_your_btc_bet_hi_button').click();
setTimeout(rollDice, (multiplier * bconfig.wait) + Math.round(Math.random() * 1000));
};
toggleHiLo = function() {
if (hilo === 'hi') {
hilo = 'hi';
} else {
hilo = 'hi';
}
};
var num = parseFloat($('#balance').html());
bconfig.startbal = num;
bconfig.want = num + 0.00000030;
bconfig.autoexit = num - 0.00000420;
rollDice();
setTimeout(function () { location.reload(1); }, 10*60*1000);
As your profits increase you need to increase the payout.