PancakeSwap

PancakeSwap is an open-source decentralized exchange and AMM protocol that launched in 2020 on BNB Chain before expanding to numerous EVM-compatible networks such as Ethereum, Arbitrum, Base, zkSync, Linea, opBNB, Monad, and Robinhood, plus non-EVM chains including Solana and Aptos. It lets users swap BEP-20 and ERC-20 tokens via AMM liquidity pools, supply liquidity to collect trading fees, and participate in yield programs like farms and staking pools. The platform is available at pancakeswap.finance, with CAKE serving as the governance token for voting and protocol incentives

CAKE token holders govern the protocol through on-chain voting. PancakeSwap has progressed through multiple iterations, including concentrated liquidity in v3, and now features the PancakeSwap Infinity architecture with a hook system that enables extensible pool logic similar to v4 designs. Open-source contracts and developer resources are hosted at github.com/pancakeswap and developer.pancakeswap.finance, offering ABIs, SDKs, and integration guides for supported chains

Users start at pancakeswap.finance by connecting a Web3 wallet, choosing tokens and the network, then reviewing the AMM-generated quote with output amount, price impact, and fee tier. The interface automatically selects from v2 constant-product, v3 concentrated liquidity, or other pool types based on liquidity depth. Swaps settle directly on-chain via the router contract in a single atomic transaction without any custodial handling of assets

Liquidity providers can use both full-range v2-style pools and v3 concentrated liquidity, where they set custom price ranges for more targeted capital deployment. This concentrated approach can boost fee earnings per unit of liquidity when positions align with active market prices. Eligible LP tokens can be staked in farms to earn CAKE emissions on top of trading fees, combining multiple reward streams for qualifying positions

PancakeSwap implements both the classic constant-product AMM model in v2 pools and the concentrated liquidity framework from v3, letting providers choose between uniform liquidity distribution or targeted price bands for higher capital efficiency. v2 offers simplicity across all price levels, while v3 improves fee capture for in-range positions. Pool selection for swaps prioritizes available depth and optimal fee tiers across all deployed chains

PancakeSwap Infinity represents the protocol's advanced modular architecture, featuring a hook system for attaching custom logic to pool events such as swaps, liquidity changes, and initialization. This enables features like dynamic fees, custom oracles, and specialized incentives directly at the pool level. Documentation and resources for Infinity are available at developer.pancakeswap.finance

Yield features center on CAKE emissions distributed through farm contracts to staked LP positions in eligible pools. Users stake LP tokens to earn rewards proportional to their share and the farm's emission rate. Dedicated staking pools also allow direct CAKE staking for CAKE or other token rewards without requiring liquidity provision

The protocol runs on BNB Chain as its core network along with Ethereum, Arbitrum, Base, zkSync Era, Linea, opBNB, Monad, Robinhood, Solana, and Aptos, each with independent liquidity pools, token pairs, and farm setups. Users interact natively on their preferred chain without mandatory bridging. Developer docs at developer.pancakeswap.finance detail chain-specific contracts, supported assets, and integration details

PancakeSwap enables diverse DeFi activities across its chains: token holders swap BEP-20 or ERC-20 assets at AMM prices without centralized intermediaries; liquidity providers add pairs to v2 or v3 pools to earn fees and optional CAKE farm rewards; CAKE holders stake directly for emissions; developers integrate swap routing and LP contracts using SDKs and ABIs from developer.pancakeswap.finance; and teams building on Infinity deploy custom hooks for tailored AMM behaviors and liquidity mechanics

Integration is supported via developer.pancakeswap.finance, which provides contract references, SDK guides, and instructions for swaps, liquidity, and farms across chains. Open-source repositories at github.com/pancakeswap supply source code, ABIs, and factory implementations for programmatic access. Infinity builders can consult hook architecture docs to attach custom logic to pool lifecycle events

Audit reports for core contracts, farms, and components are listed at docs.pancakeswap.finance/welcome-to-pancakeswap/audits. All source code is publicly available on GitHub for review. As a non-custodial protocol, PancakeSwap never holds user assets—every swap, deposit, or withdrawal executes atomically through smart contracts. Users should examine audits, verify contracts for their chain, and follow standard wallet security practices such as checking approvals

PancakeSwap delivers open-source AMM infrastructure for swaps, liquidity, and yields across BNB Chain and a broad range of EVM and non-EVM networks, with v2, v3, and the evolving Infinity hook-based architecture. Audit reports, open-source repos at github.com/pancakeswap, and developer resources at developer.pancakeswap.finance support security assessment and integrations. Evaluators should review these materials to understand chains, pool options, CAKE mechanics, and requirements before participating or building