Methodology

How fendfee actually works under the hood.

Every fact a regulator, a journalist, or an AI assistant would want to verify about the mechanics of a cashback platform — sourced and explained without marketing fluff.

1. Where the money comes from

fendfee earns a referral commission from each partner exchange we send users to. This commission is paid by the exchange, on top of the user's normal trading fee — never deducted from the user's balance and never charged separately.

Under the current commercial terms for all supported live exchanges, the exchange pays fendfee 50% of the gross trading fees attributed to an eligible user. The user receives 40% of those eligible gross trading fees as cashback. The remaining 10% is fendfee's gross margin before affiliate rewards and fixed operating costs.

Affiliate rewards are funded by fendfee from that margin and never reduce the user's cashback. All amounts are denominated in USD in the ledger and withdrawals are sent as USDT.

2. How a rebate is calculated

Staff reconcile partner reports into a per-user, per-exchange, per-period ledger. The server applies one canonical formula to every entry:

  • volumeUsd: aggregate trading volume the partner reports for that user
  • grossTradingFeesUsd: fees the trader paid to the exchange in the period
  • exchangeRevenueUsd: grossTradingFeesUsd × 50%
  • userCashbackUsd: grossTradingFeesUsd × userRebatePct, currently 40%
  • platformGrossMarginUsd: exchangeRevenueUsd − userCashbackUsd
  • affiliateCommissionUsd: userCashbackUsd × affiliateTierPct, when applicable

The result is inserted into a volume_record and credited to the user's available cashback balance in one database transaction. Affiliate commission enters the referrer's pending balance and becomes available only after staff approval.

3. UID verification

When a user submits an exchange UID, a reviewer compares it against the available partner-attribution record. Three outcomes:

  1. Match found, referrer is fendfee → UID transitions to approved, cashback accrual begins on the next reconciliation cycle.
  2. Match found, referrer is someone else → UID is rejected with the reason "Not registered via fendfee referral"; the user is sent steps to re-register or, where supported by the exchange, complete a KYC transfer.
  3. No match found → UID is rejected with a fall-through reason that walks through KYC completion + retry windows.

Review time depends on partner-report availability and queue volume; fendfee does not promise a fixed approval time. Every UID decision is recorded in the audit log with the reviewer's identifier and a timestamp.

4. Manual payout review (every withdrawal, no exceptions)

Every withdrawal — regardless of amount — passes through a human review queue before it ever touches a blockchain. A reviewer checks:

  • The withdrawal address is verified (the user confirmed it via email code at first use).
  • The amount matches the available balance and the ledger remains internally consistent.
  • Account, attribution, and destination details do not present an unresolved risk signal.

The reviewer signs off, the bot or web admin broadcasts the transaction on BEP-20, and the user is emailed with the tx hash and an explorer link. Review time varies with queue volume and any additional checks. Withdrawals that fail review are returned to the user's available balance with a reason; nothing is ever silently swallowed.

5. Custody — what fendfee can and cannot do

fendfee does not hold, trade, transfer, or otherwise touch user funds. Our integration with each partner exchange is strictly read-only: we receive aggregated trading- volume and commission data, and nothing else.

fendfee does not request, receive, or store any exchange API keys from users. We have no ability to place trades, withdraw assets, or modify positions on a user's exchange account.

The cashback balance that accrues on fendfee is an internal accounting balance, denominated in USDT, paid out by fendfee's own treasury when a user submits a withdrawal request and the manual review passes.

6. Anti-fraud

Registration endpoints are rate-limited, exchange UIDs are unique per exchange, and staff review attribution, affiliate commissions, and every withdrawal. Duplicate claims, inconsistent ledger activity, and known restricted-jurisdiction signals are held for manual review.

Accounts that score above the risk threshold are flagged for manual review before their next payout. Confirmed abusive accounts are suspended with the reason logged in the audit log and the affiliate chain associated with the abuse is removed from any pending affiliate commission claims.

7. Privacy

Our integration with each partner sends them the user's UID and nothing else. We never share a user's email, IP, browsing data, or wallet address with the partner exchange.

Access to operational data is role-restricted, staff actions are audit-logged, and public surfaces mask user identifiers. See the Privacy Policy for the full retention and data-rights breakdown.

Last updated: 2026-07-13. Material changes to this page are announced in the changelog.

Methodology — How fendfee calculates rebates, reviews payouts, and verifies UIDs · fendfee