What nepsis is
nepsis is an ERC-20 token on Ethereum. A Uniswap v4 hook takes 2% of every trade and pays it to the people who hold the longest. The fee logic lives in the hook, not the token. Nobody runs it.
Here is the whole thing on one page. The rest of the docs explain each part.
- The ticker is
NEPSIS. Fixed supply, minted once. There is no mint, no owner, no blacklist, no tax code in the token. - Every buy and every sell pays a
2%fee, taken in nepsis, straight to the patience pool. - Hold nepsis in your wallet and it is liquid and tradeable. Deposit it in the pool and it earns a share of every fee.
- Your share grows with how much you hold and how long you lock. Time matters more than size.
- Your principal always comes back in full. Leave a lock early and you give up part of your yield to those who stay.
- The hook is immutable. Once the pool exists it can never be changed or removed.
The v4 hook
The hook runs inside Uniswap v4 on every swap in the pool. It takes 2% in nepsis on both sides of the market, the buy and the sell, and forwards all of it to the patience pool. No owner can touch it, and the 2% rate is a fixed constant in the code.
It covers all four order types, so the fee always lands and a sell can never silently fail:
| order | fee taken |
|---|---|
| buy, exact input | 2% of the nepsis you receive |
| buy, exact output | 2% added on top |
| sell, exact input | 2% of the nepsis you sell |
| sell, exact output | 2% of the nepsis spent |
The patience pool
Deposit nepsis and pick a lock. While it sits there it earns a share of every fee the hook sends in.
Your share is set by your weight: the square root of your deposit times a multiplier for your lock length, w = √a · √(L/30). The square root means a small holder who stays can out-earn a whale who just arrived. Weight cannot be bought or sold, only earned by holding.
| lock | weight multiplier |
|---|---|
| 1 day | smallest |
| 1 week | |
| 2 weeks | |
| 1 month | largest |
Leaving early
Your principal always comes back in full, at any time. It is returned before any yield logic and can never be blocked.
Only yield is affected. Leave before your lock matures and you give up part of your earned yield on a steep curve, keep(t) = 1 - (1 - t/T)^2. Leave on day zero and you forfeit almost all of it. Leave near maturity and you keep almost all of it. At maturity you keep everything. The forfeited yield is shared among everyone still in.
Buying and staking
At launch, buy nepsis with ETH on Uniswap. Then choose:
- Hold it. Keep it in your wallet. Liquid, tradeable any time, no lock.
- Stake it. Deposit into the patience pool, pick a lock, and earn a share of every trade. Claim your yield at maturity or withdraw any time.
Both are done from the nepsis app, which turns on the moment the pool opens.
Contracts
The hook and pool are deployed and verified on Ethereum mainnet. The token address is published at launch.