contest period = between the 27/06 23h59 (UTC) and the end of the world cup (end of the final game).Choose your team and become a supporter!Subscribe your bitcoin address to your favorite team (who you think will win the world cup). To do that send something to the corresponding address. (The amout doesn't matter, so send the minimal one, we just need one transaction from your address!).
Subscribtions will be close 1 hour before the final game of the world cup.
If you want to change team, you can send a new transaction to another one, but the earlier you bet on a team, the highest will be your share of the prize! (see further how we split the prize). You are considered a supporter of the team that received your last transaction.
TEAMS STILL PLAYING:
Germany 1fqZWtCbMsEhFxVYXDKMtnytKKzNRKszR
Argentina 1P5XeacLkA7oEsj1JmaC6oXDBjaw4Ukip5
TEAMS OUT:
Brazil 1LDSJ8fwHDEjTfTnhf8k8xT37L9pcyKJJL
Switzerland 1Jb8QoToonBAEdq1oUNwy3NzuiZZ2afUk1
Belgium 1JBezrA5EGfhHZxksRFNXyhvhj5WjDFK2e
USA 172qsoSJmdBhjTQp2tk4RBehPMtxeu4Mx9
Costa Rica 1ADecGvX49NEhBuqMioMLaWU958WYqVePv
Colombia 1L8LdezErNhVc3DERiK55poM4F3qKgQr8s
France 13Uh7R1hy6nCba3L6bzy31xuKRKaMYMNLM
Chile 1VjfvPF5Z4edgtChtPEE8BEY1rkTsnTjW
Mexico 16bViivD43uXKpTe2s9sVvBbnyRn7mB1B1
Uruguay 1A7y6GemZrvnyXnndMoinNCGmTtgWVRjQA
Greece 1P3ES1bX7bfnN2KvhHUMprMCpfE7ydb6oZ
Nigeria 16c7EzeGhfeqvCb7ZQ4n8xYqUiiSNho6Vz
Algeria 1KAonnFfZepS2joYwDzfKY4AQiGiuVXEYh
Netherlands 1PGYiPjaXSXT3RLjVSJMLZrFXh3taauHVP
That's everything you have to do! Have fun on LuckyBit and cheer for your team.
All your bets will then increase your part of the prize in case your team wins (see below) 
--------------------------------------
How do we select winners and split the prizeAt the end of the world cup, the supporters of the winning team will share the 5BTC prize. It will be split among them based on the volume they wagered on LuckyBit during the contest period, and when did they choose the winning team. Those that chose the team earlier will have a bigger part of the prize.More precisely, if you chose a team
n days before the final, your amount will be multiplied by
n+1 to determine your part of the prize.
Example: Alice, Bob and Charly are the three supporters of France, and France wins the world cup.
Alice has wagered 1
BTC on LuckyBit
during the contest period, Bob 4
BTC and Charly 5
BTC.
Alice chose France very early, 15 days before the day of the final game. The amount she wagered is multiplied by 16 (her "earliness advantage").
Bob chose France also quite early, 9 days before the final day. His amount is multiplied by 10.
Charly has been supporting another team, until that team lost (Charly was sad). So he switch to France only 2 days before the final. His amount is multiplied by 3.
The total multiplied amount is then:
(Alice_amount * Alice_multiple) + (Bob_amount * Bob_multiple) + (Charly_amount * Charly_multiple) = (1 * 16) + (4 * 10) + (5 * 3) = 71
The share of Alice would be: (Alice_amount * Alice_multiple) / Total_multiplied_amount = 0.225
The share of Bob would be: (Bob_amount * Bob_multiple) / Total_multiplied_amount = 0.563
The share of Charly would be: (Charly_amount * Charly_multiple) / Total_multiplied_amount = 0.211
The prize of 5
BTC would then be splitted according to their share of it (1.125
BTC to Alice, 2.815
BTC to Bob and 1.05
BTC to Charly).
TL;DR: the more volume you play on LuckyBit, and the earlier you choose the team, the more you get at the end if the team wins.Some notes
- LuckyBit doesn't act as a broker. The contest is free for everyone to participate. The 5BTC are from our own pocket.
- If you choose a "small" team early, you will probably get more in case they win! You might even keep the most part of the full 5BTC if you are an early adopter of that team. 
- Feel free to post here once you've become a supporter, and join us on the LuckyBit chat!
- Icing on the cake: this giveaway is provably fair Good luck everybody, ask if something is unclear!
