How Vaultr fees work and how to lower them with BMZ

Quick answer: Vaultr charges a small percentage fee per action: 0.10% Vaultr-to-Vaultr, 0.25% external send, 0.50% swap, 0.30% cross-chain bridge, and 0.10% escrow release. All fee math uses BigInt for exact arithmetic. You can lower these fees with BMZ-based fee tiers, dropping to as little as 0.1× the standard rate.

Vaultr’s fees are simple percentages applied per action, and they are designed to be transparent and exact. This article lists every fee, explains how the BMZ tiers reduce them, and shows how the math stays precise.

What are Vaultr’s fees?

Vaultr applies a platform fee depending on the action:

• Vaultr-to-Vaultr transfer: 0.10%
• External send: 0.25%
• Swap: 0.50%
• Cross-chain bridge: 0.30%
• Escrow release: 0.10%

These are the standard (1.0×) rates. Sending between two Vaultr users is the cheapest transfer at 0.10%, while swaps carry the highest rate at 0.50%.

How does Vaultr keep fee math exact?

All fee calculations use BigInt arithmetic, which means there is no floating-point rounding.

Floating-point math can introduce tiny errors when handling token amounts with many decimals. By using BigInt for all fee calculations, Vaultr avoids these rounding issues entirely, so the fee you are charged is computed precisely and deterministically.