(Example: If N = 10, Fee = $0.30 + ($0.15 × 3.16) ≈ $0.77)
Assume:
- Base Fee = $0.30 (covers gas for 1 contract call).
- Variable Fee = $0.15 (your profit margin).
| Number of Addresses (( N )) | Fee Calculation | Total Fee |
|---|---|---|
| 1 | $0.30 + ($0.15 × √1) = $0.45 | $0.45 |
| 5 | $0.30 + ($0.15 × √5) ≈ $0.64 | $0.64 |
| 20 | $0.30 + ($0.15 × √20) ≈ $0.97 | $0.97 |
| 100 | $0.30 + ($0.15 × √100) = $1.80 | $1.80 |
- No Free Tier: Even small payrolls (e.g., 1 address) generate revenue.
- Sub-Linear Growth: Fees scale with ( \sqrt{N} ), so doubling ( N ) increases fees by ~40% (not 100%).
- Example: 4 addresses → $0.30 + ($0.15 × 2) = $0.60
16 addresses → $0.30 + ($0.15 × 4) = $0.90 (4x addresses, 1.5x fees).
- Example: 4 addresses → $0.30 + ($0.15 × 2) = $0.60
- Profit Stability:
- Base Fee covers gas volatility.
- Variable Fee ensures margins grow with usage.
Adjust Base Fee and Variable Fee based on your target EVM chain’s gas costs (e.g., higher fees for Ethereum, lower for Polygon).