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Stable uses a single-component gas fee model:
  • No priority tip (maxPriorityFeePerGas is ignored)
  • Fees are based purely on base execution cost
  • Fees are paid in USDT0
Rationale:
  • Stable removes fee volatility for predictable payments
  • Eliminates user confusion around “tips” and miner incentives
Developer impact:
  • Developers must not rely on priority fees for transaction acceleration
  • Wallets should hide or disable tip input fields
  • Gas estimation tooling must reference Stable RPC pricing logic