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Automated Market Maker Meaning

An automated market maker (AMM) is a mechanism used primarily by decentralized exchanges (DEXs) to facilitate trading without relying on traditional order books or intermediaries. Instead of matching buyers and sellers directly, AMMs use liquidity pools and mathematical pricing formulas to determine asset prices and execute trades automatically. Liquidity pools are smart contracts that hold pairs of digital assets supplied by users known as liquidity providers (LPs).

When a trader swaps one token for another, the trade is executed against the pool rather than another individual trader. Prices adjust dynamically based on the relative supply of assets in the pool, following predefined formulas such as the constant product model. This design enables continuous liquidity, permissionless trading, and instant execution, even when there is no direct counterparty available.

In return for supplying assets, liquidity providers earn a portion of the trading fees generated by the pool and may receive additional incentive tokens. The more liquidity in a pool, the lower the slippage traders typically experience. AMMs differ fundamentally from centralized exchange (CEX) order books, where price discovery occurs through bid and ask orders placed by market participants.

While order books rely on active market makers, AMMs automate pricing and liquidity provision entirely through code. This allows DEXs to operate transparently, globally, and without custodial control. However, AMMs introduce unique risks.

Liquidity providers are exposed to impermanent loss, which occurs when asset prices change significantly relative to their initial deposit ratio. Smart contract vulnerabilities and market manipulation are additional considerations.

Despite these risks, AMMs have become a foundational component of decentralized finance (DeFi), powering platforms such as Uniswap, Curve, and Balancer. Overall, AMMs represent a core innovation in on-chain market structure, enabling decentralized, automated, and permissionless trading infrastructure.

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Finery Markets BVI Limited (“Finery Markets”) provides software, technology infrastructure, and related Information and Communication Technology (ICT) services on a Software-as-a-Service (“SaaS”) basis. Finery Markets acts solely as a software vendor and does not operate a trading platform, does not intermediate, match, execute, clear, or settle transactions, and does not engage in any activities that would require regulatory authorisation under applicable laws.

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