The Nostra Swap Protocol.
Swap · Bridge · Pool · Stake · Earn

Nostra Swap is a full-featured token exchange protocol built on Starknet. It combines token swapping, asset bridging, concentrated liquidity pools, STRK staking, and yield rewards in a single non-custodial platform. Users can swap tokens instantly, provide liquidity to earn fees and rewards, stake assets for yield, and bridge tokens between networks — all through the unified interface at nostra-swap.com. The protocol is fully audited and handles over $420M in total value locked.

Connect your wallet (Argent, Braavos, or a hardware wallet), select your input and output tokens in the Nostra Swap interface, enter the amount you want to swap, review the route and price impact, and confirm the transaction. The smart router automatically finds the best price across all liquidity sources on Starknet. Transactions on Nostra Swap confirm in under 2 seconds with near-zero network fees.

Nostra Swap charges a base swap fee of just 0.05% on all token swaps — among the lowest of any exchange on Starknet. Fee tiers for liquidity pools range from 0.01% for stable pairs (like USDC/USDT) to 0.3% for volatile pairs. All fees collected by Nostra Swap are distributed to liquidity providers and NSTR stakers — with zero protocol treasury cut.

Yes. Nostra Swap has been audited by 4 independent security firms: Trail of Bits, Nethermind Security, Cairo Security Clan, and Zellic. All contracts are open-source and formally verified. The protocol has secured over $420M in total value locked without any security incidents since launch. A $5M bug bounty program is active to incentivize responsible vulnerability disclosure.

Nostra Swap supports all major Starknet wallets: Argent (desktop and mobile), Braavos (with hardware wallet support), and any wallet compatible with the Starknet wallet standard. Mobile users can connect via WalletConnect. Hardware wallet users can connect their Ledger device through compatible wallet interfaces for maximum security when trading on Nostra Swap.

Nostra Swap uses a Concentrated Liquidity Market Maker (CLMM) model. Instead of spreading liquidity across all possible prices, liquidity providers choose a specific price range to concentrate their capital. This approach means higher fee earnings per dollar of liquidity provided — typically 5–10× more efficient than traditional AMMs. Top pools on Nostra Swap currently offer up to 28.6% APR for active liquidity providers.

NSTR is the native governance and reward token of Nostra Swap. You earn NSTR by trading on the platform (trading rewards), providing liquidity (LP rewards), referring other users (referral rewards), and participating in governance decisions. NSTR can be staked for additional yield in the NSTR Vault at 17.2% APY, or locked as veNSTR for boosted APY, voting power, and protocol fee revenue share.

Nostra Swap offers three staking options: (1) nstSTRK Liquid Staking — stake STRK and receive nstSTRK liquid staking tokens at 6.8% APY with instant unstaking capability. (2) NSTR Vault — stake NSTR tokens for 17.2% APY with a 14-day lock period. (3) veNSTR Governance — lock NSTR for up to 4 years for 11.4% APY plus voting power and fee revenue share from all Nostra Swap protocol activity.

Nostra Swap supports 200+ tokens on Starknet, including ETH, STRK, USDC, USDT, wBTC, wETH, DAI, and many more. New tokens become available on Nostra Swap as soon as their pool is created — no permission or listing process required. The Nostra Swap smart router aggregates liquidity across all available sources to ensure you always get the best price.

The Nostra Swap bridge allows you to move assets between Starknet and 12+ other networks including Ethereum, Arbitrum, Optimism, Base, Polygon, and more. Bridge transfers typically complete in 10–20 minutes with competitive fees. The bridge uses multi-layered security including guardian networks and optimized routing for best rates on every cross-network transfer.

Slippage tolerance is the maximum price change you accept between submitting and executing your trade on Nostra Swap. The default setting is 0.5%, which works well for most liquid pairs like ETH/USDC and STRK/USDC. For less liquid tokens, you may want to increase slippage to 1–3%. For stablecoin swaps (USDC/USDT), you can set it as low as 0.1%. Adjust slippage in the settings gear icon above the swap interface.

Navigate to the Pools section on Nostra Swap, select an existing pool or create a new one. Choose your price range (for concentrated liquidity) and deposit your token amounts. You start earning fees and NSTR rewards immediately with no lock-up required. You can withdraw your liquidity at any time. Nostra Swap's concentrated liquidity model lets you earn more fees by focusing your capital in the price ranges where most trading occurs.

Nostra Swap is a non-custodial protocol with no KYC requirements and no geographic restrictions at the protocol level. The frontend at nostra-swap.com may have restrictions in certain jurisdictions in compliance with local laws. As a non-custodial protocol, users interact directly with verified on-chain programs and are responsible for compliance with their local regulations. Check the Terms of Service for details.

Full documentation is available at docs.nostra-swap.com. For support, join the Nostra Swap Discord server or reach out on Telegram. Developer APIs and SDKs for building on top of Nostra Swap are documented at dev.nostra-swap.com. Follow @NostraSwap on Twitter for announcements, updates, and community events. The official website is nostra-swap.com — always verify URLs to stay safe.

While most platforms focus on a single feature, Nostra Swap is a unified protocol combining aggregated swaps, concentrated liquidity pools, asset bridging, liquid staking, and governance — all in one interface. Nostra Swap aggregates across other liquidity sources to ensure best prices, while offering native concentrated liquidity pools with the highest APRs, cross-network bridging, and a full staking suite — making it the most complete exchange protocol on Starknet.