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Transactions
Detailed technical FAQs relating to Fiorin transactions
The minimum deposit (receive) of ERC20 USDC
, USDT
or DAI
via the Ethereum
bridge is $25.




Make sure you are aware of gas fees:
There are no maximum deposits.
The minimum withdrawal (send) of ERC20 USDC
, USDT
or DAI
via the Ethereum
bridge is $0.01.




Make sure you are aware of gas fees:
The maximum withdrawal (send) of ERC20 USDC
, USDT
or DAI
via the Ethereum
bridge is the lower of either:




- 1.Your maximum ERC20 deposit (receive)
- 2.$100,000
Consider the actual STAS issuance of 609.89 USDXS tokens ($609.89). This occurs as three BSV
transactions:

- 1.First transaction creates a P2PKH output (output #0) containing 60,989 satoshis (0.00060989 BSV) that is locked to this address (the USDXS token issuance address)
- 2.Second transaction spends output #0 in (1) and the same number of satoshis are locked as output #0 with a STAS locking script (this is the issuance STAS scripthash)
- 3.Third transaction spends output #0 in (2) and the same number of satoshis are locked as output #0 with a STAS locking script (this is the user's STAS scripthash)
- This amount is displayed by the users wallet:

Sending USDT
, USDC
or DAI
from Fiorin to your external ERC20 withdrawal address occurs as two distinct processes, STAS token redemption and ERC20 token redemption.



Consider the actual STAS redemption of 100 USDXS tokens ($100):

Redemption occurs as two BSV
transactions:

- 1.First transaction (initiated and signed by the user's Fiorin wallet) creates an output containing 10,000 satoshis (0.0001 BSV) that is locked to the redemption STAS scripthash
- 2.Once the transaction in (1) has one BSVblock confirmation, the second transaction takes the output created in (1) and spends it to this address (the USDXS token redemption address)
The above actions trigger the Ethereum
smart contract withdrawal of 75.72 USDT
(100 USDT
minus 24.28 USDT
in gas fees) to the user's specified ERC20 address:





Withdrawal across Fiorin's bridge consumes approximately 2x the gas of a regular ERC20 token transfer on Ethereum

Last modified 3mo ago