rMATIC FAQ

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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's the unbonding period of rMATIC?
The Polygon networks’ unbonding period is 80 checkpoints, which is around 3~9 days depending on the every checkpoint interval times. In order to make the time suitable for every staker, StaFi chain generally sets the unbonding period of rMATIC at 9 days.
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).
Details: https://docs.stafi.io/rtoken-app/rmatic-solution#rmatic-charge​
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.

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rMATIC Solution

Staker Guide

Last modified 9mo ago

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Contents

1.Does rToken app support to connect Ledger device?

2. Why to participate in MATIC staking with rMATIC App?

3.How to stake MATIC on rMATIC App?

4.What's the unbonding period of rMATIC?

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

6.How to obtain ERC20 rMATIC?

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

8.What are the circulation scenarios of rMATIC?

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

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