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Fee Structure & Economics

Nexis Appchain implements a sophisticated fee structure based on EIP-1559, optimized for low-cost AI agent operations while maintaining economic sustainability and security.

Overview

Base Fee

1 gwei minimum (adjustable)

EIP-1559

Dynamic fee market with priority tips

Multi-Vault

3-vault system for fee distribution

EIP-1559 Implementation

Fee Components

Every transaction on Nexis has two fee components:
1. Base Fee
  • Minimum: 1 gwei
  • Dynamic: Adjusts based on block utilization
  • Target: 50% block capacity (15M gas)
  • Burned/Redistributed: 70% of base fee
2. Priority Fee (Tip)
  • Minimum: 0 gwei
  • User-defined: Higher tips = faster inclusion
  • Recipient: 100% to sequencer
  • Typical: 0-2 gwei for normal priority

Base Fee Adjustment

Base Fee Calculation

Fee Estimation

Fee Vault System

Nexis implements a three-vault system for fee distribution:

1. BaseFeeVault

The BaseFeeVault receives 70% of all transaction fees:
BaseFeeVault Contract
Distribution Breakdown:
  • 50% Burned: Permanently removed from circulation → deflationary pressure
  • 50% Staking Rewards: Distributed to NZT stakers → yield generation

2. SequencerFeeVault

Receives 20% of fees to fund sequencer operations:
SequencerFeeVault Contract
Usage:
  • Infrastructure costs (servers, bandwidth)
  • Monitoring and maintenance
  • Emergency reserves
  • Future decentralized sequencer rewards

3. L1FeeVault

Receives 10% to cover Base L2 data availability costs:
L1FeeVault Contract
Purpose:
  • Pay for batch submission to Base L2
  • Cover calldata costs on Base
  • Buffer for gas price spikes
  • Ensure data availability

L1 Data Availability Costs

Nexis batches transactions and posts them to Base L2 for data availability. This incurs costs:

Cost Calculation

Batch Optimization

Gas Costs by Operation

Standard Operations

Nexis-Specific Operations

Gas Cost Calculator

Cost Comparison with Other Chains

Transaction Cost Comparison

Why higher than Base L2? Nexis is an L3 that batches to Base L2, adding one layer of overhead. However, Nexis optimizes for AI agent workloads with custom contracts and is still 70x cheaper than Polygon and 30,000x cheaper than Ethereum L1.

AI Agent Operation Costs

Comparing Nexis-specific operations across chains:

Monthly Cost Estimates

For a typical AI agent running on Nexis:

Fee Revenue & Distribution

Revenue Projections

Based on network activity:

Distribution Breakdown

For mature network (1M daily transactions):

Fee Optimization Strategies

For Users

Unless urgent, use 0 gwei priority fee. 2-second blocks mean fast inclusion even without tips.
Combine multiple operations (stake + claim task) into one transaction to save on base transaction costs.
Use fee estimation APIs to transact when base fee is at 1 gwei minimum (typically during low-usage periods).
Use efficient contract patterns, minimize storage writes, and leverage view functions where possible.

For Developers

Gas Optimization Patterns

Governance Controls

Fee parameters are governance-controlled:

Monitoring & Analytics

Real-time Fee Tracking

Public Dashboard

Track live fee metrics:

Fee Analytics Dashboard

Real-time fee tracking, vault balances, and historical trends

Frequently Asked Questions

Nexis is an L3 built on Base L2, adding one layer of coordination overhead. However, fees are optimized for AI agent operations and are still 30,000x cheaper than Ethereum L1.
Not directly. However, you can use meta-transactions or account abstraction to have a relayer pay NZT fees while you pay in USDC or other tokens.
Burned fees are sent to address 0x000…dEaD and permanently removed from circulation, creating deflationary pressure on NZT supply.
No. 1 gwei is the hardcoded minimum to prevent spam and ensure economic security. Governance can adjust this minimum via proposal.
BaseFeeVault distributes when balance exceeds threshold (typically every 24 hours). Sequencer and L1 vaults distribute as needed for operations.
Sequencer can temporarily subsidize L1 costs. Governance can also adjust fee split to allocate more to L1 vault if data costs spike.

Additional Resources

Tokenomics Overview

High-level economics and value accrual

Staking Rewards

Earn from fee distribution through staking

Fee Analytics

Live fee tracking and historical data

Gas Optimization Guide

Tips for minimizing transaction costs

Cost Efficient AI Infrastructure: Nexis fees are designed to enable economically viable AI agent operations while maintaining network security and sustainability.