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rMATIC FAQ

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 to participate in MATIC staking with rMATIC App?

1) There will be no need to wait for a 9 days unbonding period to withdraw the staked MATIC assets. Users can transfer and trade rMATIC assets at any time to liberate liquidity and hedge price risks.
2) There is no need to learn the complicated PoS consensus (based on Tendermint) mechanism or staking reward calculation rules. With the rMATIC App, users only need to follow a few steps to deposit MATIC into the rMATIC contract, which will automatically select the best validator for delegation by the profit maximization strategy.

3.How to stake MATIC on rMATIC App?

Please follow this guide to stake MATIC: https://docs.stafi.io/rtoken-app/rmatic-solution/staker-guide

4.What should be noted in rMATIC redemption?

Date: Around 9 days
Commission: 0.2% unstake fee(based on the amount of unstaked rMATIC)
Please note that the redemption process may be delayed due to the abnormal condition of the target chain (like upgrading) or the downtime of RPC service, or server exception, etc.

5.What's the contract address of ERC20 rMATIC?

rMATIC ERC20 Contract Address: 0x3dbb00c9be5a327e25caf4f650844c5dba81e34b
rMATIC BEP20 Contract Address: 0x117eefdde5e5aed6626ffedbb5d2ac955f64dbf3
rMATIC Contract Address on Polygon: 0x9f28e2455f9ffcfac9ebd6084853417362bc5dbb
MATIC ERC20 Contract Address: 0x7D1AfA7B718fb893dB30A3aBc0Cfc608AaCfeBB0

6.How to obtain ERC20 rMATIC?

You can swap rMATIC tokens into ERC-20 format at 1:1 ratio through the swapping function in rAsset. Please refer to this guide to swap native rMATIC into ERC20 format: https://docs.stafi.io/rtoken-app/rasset/swap-guide

7.How to calculate the exchange rate of rMATIC/MATIC?

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

8.What are the circulation scenarios of rMATIC?

1) When the rMATIC product is launched, rBridge will support rMATIC two-way cross-chain bridge function from StaFi chain to Ethereum at the same time, so that users can have access to DeFi applications on Ethereum by using rBridge product.
2) StaFi will list rMATIC tokens on DEXes such as Uniswap and Quickswap, and launch liquidity mining incentive campaigns to ensure the liquidity of the pairs.
3) StaFi will not only support the circulation of rMATIC in the Ethereum ecosystem but also empower rMATIC’s engagement in the DeFi protocol of Polygon through cross-chain bridge services.

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

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

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

After the user completes the "Redeem" operation, s/he has to wait for around 9 days to get the redeemed MATIC tokens, which will be automatically sent to the users’ designated account after the lock-up period.