1.Does rToken app support to connect Ledger device?

No. rToken app does not support Ledger. Please remember not to connect APP using Ledger, otherwise your assets will be lost.

2. Why participate in BNB staking with rBNB App?

1) There will be no need to wait for 7 days to unbond the staked BNB assets. Users can transfer, mortgage, and trade rBNB assets at any time to liberate liquidity and hedge price risks.
2) There is no need to learn the complicated Binance Chain’s Tendermint BFT consensus mechanism or staking reward calculation rules if you want to maximize staking rewards. With the rBNB product, users only need to follow a few steps to deposit BNB into the rBNB contract, which will automatically select the best validator for delegation by the profit maximization strategy.

3.How to stake BNB on rBNB App?

Please follow this guide to stake BNB:

4.What's the unbonding period of rBNB?

The unbonding period of rBNB App is 14 days, though that of BNB staking on BSC is 7 days.
This is because the staking module of BNB staking on BC only supports to unbond once every 7 days. Therefore, if more than one user unbond through StaFi rBNB App, StaFi rBNB contract has to collect all the redemption asks in the first 7 days, then unbond from the BC chain in the next 7 days.

5.What's the contract address of BEP20 rBNB?

BEP20 Contract Address: 0xf027e525d491ef6ffcc478555fbb3cfabb3406a6

6.How to obtain BEP20 rBNB?

You can swap rBNB tokens into BEP20 format at 1:1 ratio through the swapping function in rAsset. Please refer to this guide to swap native rBNB into BEP20 format:

7.How to calculate the exchange rate of rBNB/BNB?

The rBNB exchange rate Ci grows with the increase in staking income. It is determined by the total number of BNB locked in the staking contract Qstk, the total number of redeemed BNB Qred, the number of staking rewards Qrew, the number of slashes Qslh, the commission rate Rcom, the total number of rBNB issued M, and the total number of burnt rBNB N. The calculation formula is as follows:

8.What are the circulation scenarios of rBNB?

1) When the rBNB App is launched, rBridge will at the same time support rBNB two-way cross-chain bridge function from StaFi chain to BSC, so that users can have access to DeFi applications on BSC by using rBridge product.
2) In the near future, StaFi will list rBNB tokens on DEXes such as Pancake, and launch liquidity mining incentive campaigns to ensure the liquidity of the pairs.
3) StaFi will not only support the circulation of rBNB on DEXes, but also cooperate with lending protocols on BSC like Venus and Liqee to integrate rBNB.

9.What are the commissions and fees when staking BNB?

Stake BNB: N * (StaFi chain Gas Fee + Binance Gas Fee), and the payment is made by FIS, StaFi mainnet token.In most cases, N is set to 2.
Unbond BNB: 0.2% redemption fee(based on the amount of unbonded rBNB and 10% Staking Reward Commission(based on the total staking rewards generated).

10.Does the user need to manually withdraw unbonded BNB tokens?

After the user completes the "Redeem" operation, s/he has to wait for around 14 days to get the redeemed BNB tokens, which will be automatically sent to the users’ designated account after the lock-up period.