Gamified Debase & Rewards
To earn rewards from the treasury, you’ll need to participate in Shinobi’s custom-designed reward system.
Due to the unique properties of the HIP-404 standard, holding SHINOBI gives you exposure to two types of assets:
A liquid ERC-20 token, tradable via a liquidity pool,
And a non-fungible ERC-721 token, if the amount held is a whole number.
For example, if you hold 30.87 SHINOBI, you automatically own 30 ERC-721 tokens, known as Ninjas.
These Ninjas are ERC-721 cards with no intrinsic market value.
They can only be acquired or transferred using SHINOBI tokens, and their price is dynamically linked to both the liquidity pool and a bonding curve based on the Bancor formula.
What Are Ninjas Used For?
From an economic and protocol design perspective, Ninjas serve an unique purpose:
They gamify the distribution of treasury rewards.
By collecting and strategically assembling Ninjas, players actively participate in the Gamified Rebase system where only the most powerful decks and best-matched ninjas earn the right to claim rewards from the Shinobi's Treasury.
Ninja Families & Deck Building
Ninjas are divided into 5 distinct families, each with unique characteristics and inter-family advantages.
To participate in battles and access rebase rewards, players must build decks consisting of up to 5 Ninja cards.
There’s no minimum requirement to enter a battle, a single Ninja is enough. However, assembling multiple Ninjas from the same family significantly boosts your chances of success thanks to the Family Power Boost, which increases the Survival Points of each matching card.
How Survival Points Work
Each Ninja starts with a base of 100 Survival Points. These points can be increased depending on how many Ninjas from the same family are present in the deck. The more matches you have, the more powerful each Ninja becomes.
5 cards from different families
500
100
2 cards from the same family
600
150
3 cards from the same family
725
175
4 cards from the same family
900
200
5 cards from the same family
1250
250
⚔️ How Battles Work
When a battle begins (during gamified rebases), each Ninja faces off in a one-on-one matchup. Combat outcomes are determined by:
The Ninja’s adjusted Survival Points (after boosts).
The match-up advantage or disadvantage between families.
A random factor, introducing unpredictability and excitement.
Winning these matchups increases your rank during each rebase cycle.
🏆 Reward Distribution
During each Gamified Rebase, only a select group of top-performing Ninjas receive rewards from the treasury.
Each Ninja automatically participates in 10 battles per rebase cycle. At the end of the cycle, the ranking is determined by the number of battles won by each Ninja.
Only the 100 best-performing Ninjas (based on win count) are eligible to receive a share of the treasury rewards.
Owning and strategically stacking high-synergy Ninjas from the same family increases the chances of victory for each card, directly impacting their rank and reward eligibility.
1
Iga Ichizoku
25%
5%
2
Kōga Ichizoku
20%
10%
3
Hattori-shi
15%
15%
4
Fūma Ichizoku
10%
30%
5
Momochi Ichizoku
5%
40%
Ninja 1v1 Combat Resolution
Each Ninja has an Effective Power (EP), calculated by multiplying their base Survival Points by one plus their Family Bonus. This means:
When two Ninjas face off in a 1v1 battle, their Effective Powers are compared. The relative difference 𝐷 between the stronger and weaker Ninja is calculated as:
If the difference is less than 30%, the winner is determined through a weighted random draw based on their Effective Powers. The probability that the stronger Ninja wins is given by:
For example, if Ninja A has 200 Survival Points and a 25% Family Bonus, their Effective Power is 250. Ninja B with 180 Survival Points and a 10% Family Bonus has an Effective Power of 198. The relative difference is approximately 26%, which means there is no automatic winner. The probability that Ninja A wins is about 56%.
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