Sei is a sector-specific Layer 1 blockchain purpose-built for trading. It combines Cosmos SDK’s IBC connectivity with a native on-chain order matching engine, parallelized smart contract execution, and an optimized consensus mechanism (Twin-Turbo Consensus) targeting sub-400 millisecond block times and finality. Sei V2 introduced a parallelized EVM (Ethereum Virtual Machine) alongside the existing CosmWasm engine, creating one of the few chains where Solidity and CosmWasm contracts can interact. Mainnet launched in August 2023; V2 (parallelized EVM) launched in early 2024.
| Stat | Value |
|---|---|
| Ticker | SEI |
| Price | $0.05 |
| Market Cap | $365.18M |
| 24h Change | -2.4% |
| Circulating Supply | 6.73B SEI |
| All-Time High | $1.14 |
Core Technical Features
Twin-Turbo Consensus
Sei uses two innovations on top of Tendermint BFT:
- Optimistic block processing: Validators process blocks optimistically before full finalization — if no dispute, this saves time
- Intelligent block propagation: Nodes propagate only transaction hashes initially, reducing data transfer
Result: ~400ms block times with instant finality (vs. ~6s for standard Tendermint).
Native Order Matching Engine
At the protocol level (not application level), Sei includes:
- A native on-chain orderbook that smart contracts can use
- Frequent batch auctions: Rather than first-come-first-served (which creates MEV/front-running), orders are collected and matched at the end of each block simultaneously — eliminating trading-specific MEV
- Any DEX built on Sei automatically gets batch auction MEV protection
Parallel EVM (V2)
Sei V2 added an EVM environment that executes transactions in parallel (similar to Monad in concept) using a multi-threaded execution engine. This allows:
- Solidity (MetaMask-compatible) contracts to deploy on Sei
- CosmWasm and EVM contracts to share state and call each other
- EVM developers to access Sei’s performance without rewriting in Rust/CosmWasm
Optimistic Parallelization
Sei’s parallel EVM uses optimistic concurrency (similar to Block-STM from Aptos): execute all transactions in parallel, detect conflicts, re-execute conflicting ones serially. For trading workloads (where most transactions are independent), this achieves near-linear throughput scaling.
SEI Tokenomics
- Total Supply: 10 billion SEI
- Circulating (launch): ~1.6B SEI
- Utility: Gas fees, staking (delegated PoS), governance
- Inflation: Staking reward ~8% APY (declines over time)
- Allocation: Community (65%), Foundation (9%), team/investors with vesting
Ecosystem
| Protocol | Category | Notes |
|---|---|---|
| DragonSwap | AMM DEX | Primary Sei native DEX |
| Levana | Perpetuals | Leveraged trading on Sei |
| Kryptonite | Liquid staking | seiSEI liquid staking |
| Yaka Finance | DEX | Concentrated liquidity |
| Astroport | DEX | Multi-chain Cosmos DEX on Sei |
History
| Date | Event |
|---|---|
| 2022 | Sei Labs founded by Jeff Feng and Jayendra Jog |
| Dec 2022 | Sei testnet launch |
| Jul 2023 | $30M raise (Jump Crypto, Multicoin Capital led) |
| Aug 2023 | Sei V1 mainnet launch; SEI token airdrop |
| Q1 2024 | Sei V2 with parallelized EVM launches |
| 2024 | Gaming and consumer app growth; ecosystem expansion |
Founding Team
| Person | Role | Background |
|---|---|---|
| Jeff Feng | CEO | Ex-Coatue Management (hedge fund) |
| Jayendra Jog | CTO | Ex-Robinhood (infrastructure) |
Notable backers: Jump Crypto, Multicoin Capital, Coinbase Ventures, Delphi Digital, Hudson River Trading.
Sei V1 vs. V2
| Feature | Sei V1 | Sei V2 |
|---|---|---|
| Smart contracts | CosmWasm only | EVM + CosmWasm |
| Execution | Sequential (CosmWasm) | Parallel EVM |
| Wallet | Cosmos wallets | MetaMask + Cosmos |
| Developers | Rust/CosmWasm devs | Solidity devs can use Sei |
Social Media Sentiment
Sei attracted serious institutional backing and developer interest for its “trading-optimized chain” thesis. V2’s parallelized EVM is compared to Monad (not yet launched as of 2024) and Aptos Block-STM. Community is active; airdrop generated retail excitement. “Fastest EVM” claims are debated against other parallel EVM projects. Gaming and consumer narratives emerged in 2024 beyond just trading. Competiting chains (Solana, Sui, Monad) create a crowded “high performance L1” market.
Last updated: 2026-04
Related Terms
Sources
Feng, J., & Jog, J. (2022). Sei: The First Sector-Specific L1 Blockchain for Trading. Sei Labs Whitepaper.
Gelashvili, R., et al. (2022). Block-STM: Scaling Blockchain Execution by Turning Ordering Curse into a Performance Blessing. arXiv.
Daian, P., et al. (2020). Flash Boys 2.0: Frontrunning, MEV, and Consensus Instability. IEEE S&P.
Kwon, J., & Buchman, E. (2016). Cosmos: A Network of Distributed Ledgers. Cosmos Whitepaper.
Perry, N., et al. (2023). Parallelization of Smart Contract Execution in Blockchain Scalability. arXiv.