Ambient (formerly CrocSwap) is a decentralized exchange (DEX) protocol that allows for two-sided AMMs combining concentrated and ambient constant-product liquidity on any arbitrary pair of blockchain assets. Ambient runs the entire DEX inside a single smart contract, where individual AMM pools are lightweight data structures instead of separate smart contracts. This and other design decisions makes Ambient the most efficient Ethereum-based DEX in existence.
Launched in December 2021, the protocol has demonstrated resilience and stability, effectively navigating major cryptocurrency events and maintaining a clean security record. Its risk level is lowered by the absence of a native token and comprehensive safety mechanisms, including detailed documentation on pause functions and timelocks. The smart contract's high activity and the founder’s technical expertise further strengthen the platform. Despite some concerns—such as resolved vulnerabilities, an open token listing policy, and centralized governance—the overall outlook remains positive, showcasing a robust framework prepared to manage potential risks effectively.