🏷️RUSD

RUSD is the staked asset of the Rollup.Finance platform LP, and fRUSD is the staking cerdit of RUSD.

Consist of RUSD

RUSD is 100% composed of stablecoins, including USDC, USDT, and DAI and etc. Users can deposit these assets to mint RUSD tokens, provide liquidity for the pool and thus get rewards.

RUSD Rewards

It mainly consists of two parts: Stake rewards and Trader losses.

  • Stake rewards: provided by fees.

  • Trader losses: when traders incur losses, it becomes income for the RUSD pool.

RUSD holders provide liquidity to leverage trading . When traders profit, the RUSD pool pays them corresponding profits. Conversely, when traders incur losses, it becomes income for the RUSD pool.

More Utilities

fRUSD is the governance token for perpetual trading of RUSD. fRUSD cannot be transferred or traded. It is only used for governance voting. When users mint RUSD, fRUSD will be simultaneously mapped at a 1:1 ratio. When users burn RUSD, fRUSD will be destroyed as well.


Stake

On zkSync Era mainnet, Rollup.Finance supports staking USDC, USDT and DAI to mint RUSD.

The stake fee is 0.1% of the size.

In the early stages of the protocol, RUSD will be minted only by staking USDC.

Steps

Once your wallet is connected, head to Rollup Finance Stake, make sure choose on [RUSD Pool]

Simply click [Stake] and pay with USDC, USDC on the Stake interface, and confirming in your wallet, you are done pledging assets to get RUSD.

The staking assets and revenue will be shown in the top banner.


Unstake

Allows users to convert RUSD into USDC, USDT and DAI.

Steps

Click [Unstake] and enter the amount of RUSD you'd like to redeem, the assets will go to your wallet and the corresponding RUSD will be automatically burned.

To improve the stability of the RUSD pool, the withdraw period for RUSD is determined based on the real-time RUSD price.

Withdraw period for Unstake RUSD

  • When RUSD price β‰₯ $1.3, the withdrawal period is 24 hours, settled based on the real-time RUSD price after 24 hours.

  • When $1.2 ≀ RUSD price < $1.3, the withdrawal period is 48 hours, settled based on the real-time RUSD price after 48 hours.

  • When RUSD price < $1.2, the withdrawal period is 72 hours, settled based on the real-time RUSD price after 72 hours.

When stablecoin price drops over 0.5%, Keeper will close the Stake and Unstake for stablecoin.


RUSD Staking Rewards

The RUSD staking rewards=23% platform fee

Composition of fees

  • Position fee(open/closeοΌ‰

  • Hourly fee

  • Stake/Unstake RUSD fee

The percentage of platform fees that can be allocated to Staking rewards is not a fixed value and will most likely be changed in the future.

RUSD Staking Rewards distribution

The reward is calculate weekly.

Distribution time: every wednesday

RUSD Staking APR

RUSD APR=Value*365*24*60*60/Total Staked


RUSD Price

RUSD price = (all assets + trader's losses - surplus losses) / RUSD quantity

Surplus loss = all unclosed position of PnL-buffer

When the surplus loss is negative, there's no surplus loss, which means the buffer is sufficient to cover traders' profits.

When the surplus loss is positive, it means the buffer is insufficient to cover traders' profits, which consequently affects the funds of the stakers.

In the above formula, trader loss only refers to the trader loss distributed to RUSD LP.

  • When 1 USD < RUSD price ≀ 1.1 USD, 75% is allocated to the buffer, 5% is used for buyback and burn ROP, and 20% is allocated to RUSD LP.

  • When 1.1 USD < RUSD price ≀ 1.3 USD, 80% is allocated to the buffer, 8% is used for buyback and burn ROP, and 12% is allocated to RUSD LP.

  • When RUSD price is greater than 1.3 USD, 85% is allocated to the buffer, 10% is used for buyback and burn ROP, and 5% is allocated to RUSD LP.

For more information on the distribution of protocol revenue , please refer to Protocol Revenue Distribution

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