Sushi sushi
What is Sushi?
Sushi (SushiSwap) is a community-oriented decentralized finance protocol and decentralized exchange ecosystem. It began in August 2020 as a Uniswap fork and has expanded beyond a single AMM into an aggregator, liquidity pools, staking, and developer/API tooling. Its core exchange uses smart-contract liquidity pools rather than a centralized order book.
Sushi's AMM lets users swap tokens against pooled liquidity. Liquidity providers deposit token pairs and earn trading-fee income; Sushi documentation describes V2's constant-product x*y=k design and V3 concentrated-liquidity positions with configurable fee tiers. Sushi's aggregator can route trades across multiple decentralized liquidity sources to seek better execution.
SUSHI is the native ERC-20 governance/incentive token. It has historically been distributed as liquidity incentives, and eligible holders can participate in governance. Staking SUSHI in SushiBar produces xSUSHI, a receipt-like position that represents a share of the staking pool and can accrue protocol-fee value. Sushi's current documentation also publishes chain-specific SUSHI and xSUSHI deployments.
What problem does Sushi solve?
Sushi addresses several limitations of traditional exchange infrastructure and fragmented DeFi liquidity. A centralized exchange requires users to trust a custodian and a single operator; Sushi's permissionless smart contracts let users trade directly from wallets and let anyone contribute liquidity.
DeFi liquidity is fragmented across chains and DEXs, while large trades can suffer from slippage. Sushi's AMMs provide on-chain liquidity and its aggregator searches multiple venues for routes intended to improve price execution. Incentive emissions and fee sharing are designed to attract liquidity and align participants with protocol usage, although users still face impermanent loss, smart-contract, bridge, and market risks.
How does Sushi work?
In Sushi V2-style pools, liquidity providers supply two ERC-20 assets to a pool. The pool maintains the constant-product invariant x*y=k; swaps move the reserves and the quoted price, while a documented 0.30% trading fee is distributed to liquidity providers.
Sushi V3-style pools use concentrated liquidity: an LP chooses a price range and fee tier (the docs list 0.01%, 0.05%, 0.30%, and 1.00%). Each position is represented by an NFT because its range and liquidity are unique; LPs can actively manage positions as prices move.
SUSHI can be used for governance and, historically, liquidity incentives. Staking SUSHI in SushiBar mints xSUSHI. Sushi's tokenomics page describes protocol-fee buybacks (typically 0.05% of a swap) whose purchased SUSHI is distributed to the xSUSHI pool, so the exchange rate can reflect fee accrual. Governance is conducted through forum discussion and Snapshot; voting power is denominated in SUSHIPOWAH, with the docs specifying 2 per SUSHI in the SUSHI-ETH pool and 1 per SUSHI represented by xSUSHI, and a 5 million quorum for binding votes.
Key facts
- Symbol: SUSHI; documented total supply: 280 million; canonical Ethereum token address: 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2.
- Sushi launched in August 2020 as a community-driven Uniswap fork.
- V2 AMM uses x*y=k and the documentation lists a 0.30% trading fee for LPs; V3 adds concentrated liquidity, fee tiers, and NFT positions.
- xSUSHI is the staked SUSHI token and is currently documented as available on Ethereum, or bridged to Polygon through Polygon PoS bridge.
- Governance documentation says binding Snapshot proposals require at least 5 million SUSHIPOWAH quorum; treasury multisig actions require 4 of 6 signatures.
- Bridge risk caveat: Sushi docs specifically warn that anySushi (Multichain/AnySwap) and 1Sushi (Harmony v1) may be insolvent because their bridges were hacked or became defunct.
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Frequently asked questions
What is SUSHI used for?
SUSHI is Sushi's native governance and liquidity-incentive token. Holders can use eligible SUSHI exposure for Snapshot governance, and SUSHI can be staked to receive xSUSHI.
What is the difference between SUSHI and xSUSHI?
SUSHI is the underlying token. xSUSHI is received when SUSHI is staked in SushiBar and represents a share of that pool; the xSUSHI-to-SUSHI value can increase as eligible protocol fees accrue.
Is Sushi a blockchain?
No. Sushi is a set of smart-contract DeFi applications deployed across supported networks, including AMMs, an aggregator, staking contracts, and APIs/SDKs. It is not an independent base-layer blockchain.
What are the main risks of using Sushi?
Users should consider smart-contract vulnerabilities, token-price volatility, impermanent loss for LPs, slippage, liquidity and oracle/route risks, and bridge-specific risk. Sushi's own contract docs warn about potentially insolvent bridged anySushi and 1Sushi on affected bridges.
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