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C-Chain Minimum Gas Fee

Validator-voted gas price floor under ACP-283

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Current minimum gas price
— nAVAX
— wei per gas · block —
—
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Latest base fee
—
nAVAX
Floor trend
—
per hour, loaded blocks
Floor-bound blocks
—
base fee at floor
Since activation
—
from 1 wei

Floor since Helicon activation

Minimum gas price Sampled base fee Log scale
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Recent blocks

Enforced floor (parent block) Base fee
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Builder votes

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How the floor works

Each C-Chain block header carries an exponent q (minPriceExponent). The minimum gas price is

M = eq / D wei   ·   P = max(M, ex / K)

The block builder may move q by at most Q per block toward its configured min-price-target. Builders that do not set a target keep the previous value. Blocks are proposed in proportion to stake, so the floor converges on the stake-weighted median preference. The change made in block b constrains block b + 1. When demand is low the base fee sits on the floor. Under congestion, the ACP-176 price term ex/K takes over.

D, conversion constant415,828,534,307,635,077
Q, max |Δq| per block80,063,993,375,475
Max change per block±0.0193%
BlocksToDouble3,600 max-step blocks
ActivatedHelicon · block 95,921,105 · 22 Sep 2026 15:00 UTC

Vote colors come from the change in q between consecutive headers. A hold is ambiguous: the builder either abstained or already wanted the current floor. A partial step means the builder reached its own target, so the new floor shows that builder's preference. Headers do not identify the proposing validator, so this page does not attribute votes to validators. Floors are computed in floating point from the header exponent and may differ from the node's integer value by less than one wei.