Documentation Index
Fetch the complete documentation index at: https://docs.nex-t1.ai/llms.txt
Use this file to discover all available pages before exploring further.
Nexis Appchain Changelog
This changelog documents all notable changes to the Nexis Appchain protocol, smart contracts, infrastructure, and developer tooling. We follow semantic versioning where applicable and timestamp-based network upgrades for protocol changes.Current Network Version: Fjord (January 2025)
Latest Contract Version: v1.0.0 (AI Agent Economics)
Documentation Version: v2.1.0
🚀 Unreleased
Coming in Q1 2025
Protocol Enhancements- Interop upgrade for cross-chain messaging
- Multi-verifier quorum system for proof-of-inference
- Automated subscription processing via OP Stack hooks
- Enhanced treasury risk management
- Agents.sol v1.1.0 with quorum-based verification
- Proof verifier acknowledgment interface
- Optimized gas usage across all contracts
- Nexis SDK (TypeScript) v1.0.0
- GraphQL indexer for AI analytics
- Enhanced monitoring and alerting
- Expanded code examples and tutorials
[Network v1.0.0 - “Genesis”] - 2025-01-15
🎉 Mainnet Launch
The Nexis Appchain mainnet is now live! Built on OP Stack with Fjord upgrade, custom AI agent economics layer, and 2-second block times.Network Details
- Chain ID: 84532
- L1: Base Sepolia (testnet) / Base (mainnet)
- Block Time: 2 seconds
- Gas Limit: 30,000,000
- Governance Token: NZT (Nexis)
Core Protocol
OP Stack Implementation- ✅ Bedrock architecture with Fjord fork active
- ✅ EIP-4844 blob transactions (Ecotone)
- ✅ Span batch format (Delta)
- ✅ Fault proof system with 73-depth bisection game
- ✅ 7-day challenge period (mainnet) / 12 seconds (testnet)
- ✅ Optimized channel size (1GB max)
AI Agent Economics Contracts
Agents.sol v1.0.0 (0xTBD)- Agent registration with metadata and service URIs
- Multi-asset staking (ETH, ERC20)
- Unbonding periods and early withdrawal penalties
- Stake locking for task execution
- Slashing mechanisms with treasury integration
- Multi-dimensional reputation system
- Cryptographic proof-of-inference recording
- Verifier attestation system
- Delegation permissions (metadata, inference, withdraw)
- UUPS upgradeable pattern
- Task posting with escrow
- Bond-based task claiming
- Inference-linked work submission
- Automated verification callbacks
- Dispute resolution system
- Payment distribution
- Multi-pool design (treasury 40%, insurance 30%, rewards 30%)
- Slash and penalty handling
- Configurable distribution ratios
- Reward withdrawal system
- Epoch-based recurring subscriptions
- Continuous payment streams (per-second accrual)
- Automatic processing on-demand
- Agent-integrated payments
Token Economics
NZT Governance Token- Symbol: NZT
- Name: Nexis
- Type: ERC20Votes (governance-enabled)
- Max Supply: 1,000,000,000 NZT
- Inflation: 2% annual cap via MintManager
- Features: Burnable, votable, delegatable
- L2 Base Fee: Dynamic EIP-1559 (1 gwei genesis)
- L1 Data Fee: Ecotone formula (base fee + blob fee scalars)
- Sequencer Fee: Captured in SequencerFeeVault
- Minimum Vault Withdrawal: 10 ETH
Developer Tooling
RPC Infrastructure- HTTP RPC: Production endpoints live
- WebSocket RPC: Real-time subscriptions
- Archive Nodes: Full history available
- Rate Limits: 100 req/s (public), custom (partners)
- Block explorer at explorer.nexis.network
- Contract verification support
- Advanced filtering and analytics
- Testnet faucet: faucet.nexis.network
- 0.1 testnet ETH per request
- 24-hour cooldown
Documentation
Comprehensive Documentation- 60+ pages covering all aspects
- 12+ detailed tutorials
- AI/ML integration guides
- API reference with examples
- Smart contract documentation
[Contract Deployment v0.9.0] - 2024-12-20
Testnet Launch
AgentsL3 Testnet Deployed Pre-mainnet testnet for community testing and feedback. Smart Contracts- Agents.sol deployed at 0x…testnet
- Tasks.sol deployed at 0x…testnet
- Treasury.sol deployed at 0x…testnet
- Subscriptions.sol deployed at 0x…testnet
- Fast finalization (12 seconds)
- Faucet with unlimited testnet tokens
- Public RPC endpoints
- Block explorer
Changes from v0.8.0
Smart Contract Updates- Fixed unbonding queue edge case in Agents.sol
- Added metadata URI updates to agent registry
- Improved event emissions for better indexing
- Gas optimizations across all contracts
- Upgraded to Fjord fork
- Increased channel size limits
- Implemented blob-based data availability
[Network Upgrade - Fjord] - 2024-11-15
OP Stack Upgrade
Fjord Fork ActivationKey Improvements
- Constant max sequencer drift (30 minutes)
- Increased channel bank size to 1GB
- RLP bytes per channel increased to 100MB
- FastLZ compression for brotli-compressed data
- Improved batch submission efficiency
MAX_SEQUENCER_DRIFTset to 1800 seconds (30 minutes)MAX_CHANNEL_BANK_SIZEincreased from 100MB to 1GBMAX_RLP_BYTES_PER_CHANNELincreased from 10MB to 100MB- New
FastLZdecompression for Fjord batches
- Timestamp-based activation (no block number)
- Backwards compatible with Canyon/Delta/Ecotone
- Nodes must upgrade before activation timestamp
Contract Changes
Agents.sol v0.8.2- Added service URI management for agent endpoints
- Improved delegation system with batch operations
- Fixed edge case in withdrawal queue processing
- Added task metadata field for richer task descriptions
- Implemented task cancellation with refund logic
[Contract Beta v0.8.0] - 2024-10-01
AI Agent Economics Beta
First Beta Release of AI Agent Contracts Agents.sol v0.8.0- Initial agent registry implementation
- Multi-asset staking system
- Basic reputation tracking
- Proof-of-inference recording
- Task lifecycle management
- Escrow and bond system
- Basic dispute resolution
- Single-pool treasury
- Manual distribution
- Epoch-based subscriptions only
- Manual processing
Known Limitations (Beta)
- Single verifier attestation (quorum system planned)
- Manual subscription processing
- Limited reputation weighting options
- Basic treasury allocation
[Network Upgrade - Ecotone] - 2024-03-14
OP Stack Upgrade
Ecotone (Cancun) EquivalenceEIP-4844 Blob Transactions
Ecotone introduces blob-based data availability, reducing L1 data costs by 10-100x.
- EIP-4844 blob transactions support
- New L1 cost formula:
gasUsed * (baseFeeScalar * 16 * baseFee + blobBaseFeeScalar * blobBaseFee) / (16 * 10^6) - Separate scalars for base fee and blob base fee
L1Blockcontract updated with blob base feeGasPriceOracleupdated for Ecotone formula
- Old fee formula deprecated but still available via
_getL1FeeLegacy() - Automatic detection based on L1Block attributes
- Significant cost savings for batch submission
[Network Upgrade - Delta] - 2023-12-20
OP Stack Upgrade
Delta Fork with Span Batches Span Batch Format- Multiple L2 blocks per batch (Type 1)
- Reduced overhead compared to SingularBatch
- Better compression for sequential blocks
- ~15% cost savings on average
- More aggressive batch packing
- Optimized channel management
- Better compression ratios
[Network Upgrade - Canyon] - 2023-11-10
OP Stack Upgrade
Canyon (Shanghai) Equivalence EVM Changes- PUSH0 opcode support
- Warm COINBASE access
- Shanghai EVM features
- Channel timeout enforcement fixes
- Improved deposit transaction handling
- Better reorg protection
[Network Upgrade - Regolith] - 2023-06-28
OP Stack Upgrade
Regolith Pre-Mainnet Fixes Based on Sherlock audit findings: Critical Fixes- Deposit transaction processing edge cases
- L1 attributes transaction consistency
- Sequencer drift calculation corrections
[Network Genesis - Bedrock] - 2023-06-06
OP Stack Foundation
Bedrock Architecture Launch Initial Optimism Bedrock architecture deployment: Core Components- op-node (rollup node)
- op-geth (execution layer)
- op-batcher (batch submitter)
- op-proposer (output proposer)
- 2-second block time
- EIP-1559 fee market
- Optimistic fault proofs (placeholder)
- Deposit and withdrawal bridging
Documentation Updates
[v2.1.0] - 2025-01-15
Major Documentation Expansion New Sections- 🎉 Hackathon program (year-round rolling format)
- 🛡️ Bug bounty program (up to $250k rewards)
- 📖 Comprehensive changelog (this page!)
- 🏗️ Enhanced deployment tutorials
- 📊 Expanded API reference
- 15+ new code examples
- Better SEO optimization
- Improved navigation structure
- Mobile-responsive enhancements
[v2.0.0] - 2024-12-15
AI/ML Documentation Overhaul New Content- Proof-of-inference deep dive (1,200 lines)
- LangGraph integration guide
- AI agent patterns and best practices
- 8 comprehensive tutorials
[v1.0.0] - 2024-10-01
Initial Documentation Release Core Documentation- Introduction and quickstart
- Infrastructure guides
- Smart contract documentation
- Developer guides
- Use cases
Migration Guides
Upgrading from Testnet to Mainnet
Upgrading from Singular to Span Batches
No changes required - batcher automatically uses SpanBatch format post-Delta fork.Migrating to EIP-4844 Blobs
No changes required - batcher automatically submits via blobs post-Ecotone activation.Deprecation Notices
Deprecated Features
Security Disclosures
Resolved Security Issues
None to Date
None to Date
No security vulnerabilities have been disclosed for Nexis-specific contracts. We maintain responsible disclosure practices and will document any issues here after resolution.See Bug Bounty for reporting security issues.
Third-Party Dependencies
We monitor and promptly patch vulnerabilities in:- OP Stack codebase
- OpenZeppelin contracts
- Solidity compiler
- Node.js dependencies
Upcoming Features
Roadmap Preview - Subject to changeSee Roadmap for complete feature timeline.
Q1 2025
- ✅ Mainnet launch
- 🔄 Multi-verifier quorum system
- 🔄 Nexis SDK v1.0
- 🔄 GraphQL indexer
Q2 2025
- Enhanced agent discovery APIs
- Cross-chain AI agent coordination
- Automated testing framework
- Advanced analytics dashboard
Q3 2025
- Decentralized sequencer exploration
- Alternative data availability options
- Enhanced governance mechanisms
- Mobile SDK (React Native)
Q4 2025
- zkML integration research
- Inter-agent communication protocol
- Advanced reputation algorithms
- Enterprise partnership features
Release Calendar
| Date | Milestone | Type |
|---|---|---|
| 2025-01-15 | Mainnet Genesis | Network |
| 2025-02-01 | SDK v1.0.0 | Tooling |
| 2025-03-01 | Quorum System | Contract Upgrade |
| 2025-Q2 | Automated Subscriptions | Contract Upgrade |
| 2025-Q3 | Interop Upgrade | Network Upgrade |
Stay Updated
Follow for release announcements
Discord
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GitHub
Watch repositories for updates
Subscribe to our mailing list for quarterly release digests and major announcements.
Version Support Policy
Long-Term Support (LTS)
- Current LTS: v1.0.0 (2+ years support)
- Security Patches: Applied within 7 days
- Bug Fixes: Applied within 30 days
- Feature Updates: Major versions only
End of Life (EOL)
- Testnet Beta (v0.8.x): Deprecated, migrate to v1.0.0
- Documentation v1.x: Archived, use v2.x
Breaking Changes Policy
We minimize breaking changes, but when necessary:- 90-day advance notice
- Migration guide provided
- Backwards compatibility period when possible
- Support for resolving issues during migration
Last Updated: January 15, 2025 | Edit on GitHub