FLAM Collateral
In addition to the base insurance from the Lender's Guarantee, the lenders and the renters will be required to stake a certain amount of FLAM tokens as collateral in order to disincentivize malicious behavior.
Since FLAM tokens will have real-world value, with an expectation to increase in value as Flambu ecosystem grows and succeeds, requiring users to stake FLAM tokens as collateral during transactions will provide the following advantages:
Renters will have their FLAM tokens at stake, so they will be incentivized to keep the items they rent in good shape, and return in time properly
Lenders will have their FLAM tokens at stake, so they will ensure that the items they lend are as described, as well as avoid last-minute cancellations
The amount of FLAM tokens that each side of a rental will be required to stake, will be determined by an algorithm, which will consider several parameters and will be improved in time through Machine Learning. The calculation for FLAM tokens to be staked will be calculated as follows:
For lenders:
Where:
For renters:
Where:
This mechanism minimizes the risk on the Insurance Pool so that potential damages or inconveniences will not be fully covered by the Insurance Pool, but partially be paid by the faulty side of a given transaction.
Example:
For simplicity let's assume 1 FLAM = US$1 at the time of the rental
Alice has a snowboard with a verified Estimated Market Value of US$2000 and listed on Flambu for rent for US$50/day
Bob wants to rent Alice's snowboard for 4 days in total and the total price for the rental is US$200
The following adverse circumstances may occur:
For simplicity, assuming that 1 FLAM = US$1 at the time of the rental
if Bob damages the item or doesn't return it, he will lose US$180 worth of FLAM tokens, plus damage to his reputation. The remaining damage of US$1860 to Alice will be covered by the Insurance Pool as FLAM tokens directly deposited in her account
if Alice doesn't provide the item in time, or the item was not as described in the listing, Bob will be compensated with 15 FLAM from Alice's stake, plus 35 FLAM from the Insurance Pool which in total equals to the rental price of the snowboard for a day. Bob will of course receive his payment back immediately following this situation.
In the event that everything goes well from the beginning until the end of the rental, Alice and Bob will receive their staked FLAM tokens back in addition to their calculated CashBack amounts in FLAM and Alice gets her payment minus fees.
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