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✅❇️✳️ [ANN][ICO/kick-start] ETHERJACK.io - smart contract ba

Postby Cazkys » Wed Feb 14, 2018 7:40 am




EtherJack is a jackpot game, based in the Ethereum blockchain.

The rules are simple: there's a massive jackpot, and people are placing bids to claim it, within allowed time after the last bid. If no bid comes, the last to claim gets it. If bids keep coming, the jackpot grows further.

The game is 100% transparent and fair (thanks to the Ethereum Smart Contracts), and everything depends only on the participants, not on devs.

We are announcing the start of the game's ICO stage. This is the stage when the jackpot is formed, and JACK tokens (read more on them below) are distributed at much lower prices than during the game phase. The collected jackpot will attract players placing bids, and the JACK you get will help you get a cut of the bids. The game will also automatically sell your JACK to the new players at a growing price if you wish so.

This ICO is about selling stakes in the one-time big jackpot game. House always wins, so why not be the house?
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What is the game?


After the ICO phase is over, the jackpot will have at least 333 ETH in it, and the game will start.

Players will be placing bids (starting with 0.01 ETH). Each bid claims the jackpot and starts a countdown timer. If nobody else places a bid before the timer runs out, the player to make the last bid gets the whole jackpot. This won't happen so easily though, because someone else will want to place another bid and claim the jackpot for themselves instead, at the last moment. Someone else will place a bid to not let that second person win it, and so on.
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The more bids are placed, the shorter is the countdown timer (3 hours down to 5 minutes), and the higher the bid price (0.01 ETH up to 0.1 ETH to 0.5 ETH and higher with no limit).

Check EtherJack.io to see a simulation of the game running, and read an illustrated version of the game rules.

The game is implemented as a smart contract with published source code. The source code of the JACK token is published as well.
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Neither the developers nor the Croupier bot (off-chain component of the game) can affect the course of the game in any way other than available to everyone else, it can be verified in the contract code. More details on roles of the developers and Croupier can be found in the white paper.

EtherJack.io is a combination of game of good timing, patience, luck, and investment. Every participant has a very real chance to win the big chunk of Ether. Mathematically proven.

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What is being sold?


During the ICO phase of the game, the Jackpot contract is selling JACK tokens (a custom ERC20 token used in game mechanics) at a discounted price until there's at least 333 ETH in the jackpot.

The price of JACK tokens during ICO starts at 0.004 ETH per JACK, and will reach 0.006 ETH by the end of ICO. At the game start, the price will jump to 0.01 ETH per JACK and keep growing as more and more bids are made in the game.

The JACK price is defined by game rules (the smart contract), and the way the game is designed guarantees that JACK is worth at least the nominal price at all times. You can read more on that and why it is so, in the white paper.
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The power of JACK

JACK has three roles in the game, and it's three ways you can benefit from being a JACK holder.


Role 1: Bid JACK.

At any moment, one can bid one JACK instead of an ETH amount to claim the jackpot. This is especially useful when bid prices reach too high levels. When not everyone can afford to pay the bid price to claim the jackpot, JACK holders still can by bidding just 1 JACK.


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Cazkys
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