Sei Giga Technical Specifications
Introduction
This document provides comprehensive technical specifications for Sei Giga, covering both current features and upcoming architectural enhancements.
The specifications are organized to clearly distinguish between what is currently deployed and what is planned for future releases.
Current Implementation
Features and specifications that are live on the Sei network today
Upcoming Features
Planned features and specifications in development
Consensus Architecture
Current: Twin Turbo Consensus
Live Implementation
Protocol Specifications
Base Protocol:Enhanced Tendermint BFT
Marketing Name:Twin Turbo Consensus
Target Block Time:~400ms
Finality:Instant (1 block)
Safety Threshold:⅔ + 1 validators
Optimizations
Pipelined block processing
Optimistic execution
Aggressive timeouts
Parallel validation
Upcoming: Autobahn Consensus
In Development
Protocol Design
Architecture:Multi-proposer BFT
Target Block Time:Sub-second
Proposer Model:Parallel lanes
Safety Model:Byzantine Fault Tolerant
Key Innovations
Asynchronous execution
Data availability lanes
Consensus/execution separation
Optimized data dissemination
Execution Engine
Current: Parallel EVM Execution
Live Implementation
EVM Compatibility
Full Ethereum Virtual Machine compatibility with standard opcodes and gas metering
OCC Parallel Execution
Optimistic Concurrency Control with multi-worker transaction processing and conflict resolution
State Management
Optimized state access patterns with SeiDB storage backend
Execution Specifications
VM Type:Ethereum Virtual Machine
Gas Model:Ethereum-compatible
Execution Model:Parallel with OCC
Supported Languages:Solidity, Vyper
Precompiles:Standard + Sei Native
State Model:Account-based
Storage Architecture
Current: SeiDB
Live Implementation
Architecture
Storage Type:Key-Value Store
State Tree:Merkle Patricia Trie
Caching:Multi-level
Concurrency:Thread-safe
Optimizations
Hot state caching
Efficient pruning
Parallel state access
Optimized serialization
Network Specifications
Protocol Parameters
Network Configuration
Consensus Parameters
Max Validators:100
Voting Power:Stake-weighted
Unbonding Period:21 days
Slashing:Byzantine behavior
Block Parameters
Max Block Size:22 MB
Max Gas Limit:Dynamic
Base Fee:EIP-1559 compatible
Priority Fee:Supported
Performance Targets
⚠️
Engineering Targets: The following performance specifications represent engineering targets for the upcoming Sei Giga architecture with Autobahn consensus, not current network performance.
Upcoming: Target Performance Specifications
Performance Targets
5B
Gas per Second
Peak throughput target
<1s
Finality
Transaction confirmation
200K+
TPS
Simple transfers
Developer Interface
JSON-RPC Compatibility
Ethereum JSON-RPC Support
Standard Methods
eth_sendTransaction
eth_call
eth_getBalance
eth_getTransactionReceipt
Enhanced Methods
debug_traceTransaction
eth_feeHistory
eth_maxPriorityFeePerGas
net_version
Related Resources
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