# 3.5 Nava Lottery

*A decentralized gamified lottery system on Nava NFT. You can play and win valuable prizes thanks to your NFTs, revealing the true value of digital assets. The product is designed to ensure reliability, transparency, and maximum benefit for every participant.*

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It's a simple and quick way to have fun without leaving your personal account on the platform. It's a line of fast and easy-to-understand games on the blockchain, designed for quick gaming sessions (from 5-10 seconds to 5 minutes). NFTs give you an advantage in the game, and the logic is designed so that the winnings always find their winner.

#### Advantages of the Nava lottery system:

* [x] *Possibility of earning money easily in DAI (and in later versions, Navacoin and/or NE).*
* [x] *Easy to participate and relatively high probability of winning. Possibility of purchasing any number of tickets.*
* [x] *Draw attention to Nava DAO and increase the value of Nava NFT with increased demand. NFT is used to obtain higher profits.*
* [x] *Decentralized. This means that almost all mechanisms execute smart contracts, which excludes the influence of third parties and provides reliability.*
* [x] *Transparent mechanism: the contract uses open-source solutions and Chainlink.*<br>

#### The lottery system includes the following games:

* **Nava Lucky5:** 5 out of 25 lottery, with the possibility of winning a jackpot and a rollover (accumulated jackpot). Lottery System's first and main product. A simple and fast way to win large amounts of money, without the player having to be constantly present in the application. Nava NFTs can be used to obtain higher winnings.&#x20;
* **Chests. Lottery without losses.** The user may have the opportunity to open a chest. They are offered a wide variety of chests to choose from. The chest may contain nothing or something useful (NE package, avatar clothing, access to another game, NFT, etc.). In order to open the chest, a key is required. The key is obtained through activity or can be purchased with NE.
* **Wheel of fortune. No losses.** The user will have the opportunity to spin the wheel with sectors containing prizes. To do so, the user must have a ticket. The ticket is obtained through activity or can be purchased with NE. The user spins the wheel and the indicator randomly stops on one of the sectors of the wheel. Sectors may contain prizes (NE, NFT, etc.) or contain nothing.&#x20;
* **Dice. This is NOT a no-loss game.** Here, the player chooses how much NE they are willing to bet (fixed values of 10, 30, 50, etc.), then chooses the sum that must come up on the dice (over/under 6, both included), and then rolls 2 dice. If the player correctly guesses the sum, they receive 2 times their NE bet. If they lose, they lose the NE they bet.
* **Mines. It is NOT a game where you always win.** Adaptation of the classic game "Mines." Field of 25 squares. There are several hidden mines in the field. The player places a bet on NE and begins to open the squares. Each safely opened square adds +0.2x to the winnings. At any time, the player can press the "Collect and receive (bet \* current multiplier)" button. If a mine is found, the user loses the entire bet.
* **Crash. It is NOT a no-lose game.** The player sees a simplified graph of the growth/fall of the game's fictional currency in real time. The player places a NE bet. The multiplier begins to increase on the graph (1.00x, 1.10x, 1.50x, etc.). Up and down.
The player must click "Collect" before the graph "falls" (random moment). If you succeed, you win your bet \* the current multiplier.
• If not, you lose your bet.
* **PlinkO. It's not a game where you always win.** It's a variation on the game we all know. The ball falls down a field with pegs. The player chooses which of the several places at the top to throw the ball. The ball falls, bounces randomly on the pegs, and enters one of the boxes below with different multipliers (x0.2, x1, x5, x10, etc.). There are boxes with losses. Winnings = bet \* box multiplier.\
  \
  \&#xNAN;***Games will be added to the lottery system. Possibility of connecting licensed games.*** <br>


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