DeFi

Virtual AMM (vAMM)

An AMM that uses virtual (synthetic) reserves to facilitate perpetual contract trading without requiring real token liquidity in a pool. Traders deposit collateral and trade against the virtual reserves, with the AMM formula determining entry and exit prices. Drift Protocol on Solana uses a virtual AMM as a backstop liquidity source alongside its decentralized limit order book.

IDvirtual-ammAliasvAMM

Plain meaning

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An AMM that uses virtual (synthetic) reserves to facilitate perpetual contract trading without requiring real token liquidity in a pool. Traders deposit collateral and trade against the virtual reserves, with the AMM formula determining entry and exit prices. Drift Protocol on Solana uses a virtual AMM as a backstop liquidity source alongside its decentralized limit order book.

Mental model

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Think of it as a market mechanic used to price, route, or move capital through liquidity apps.

Technical context

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AMMs, routing, liquidity, lending, and trading infrastructure.

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Virtual AMM (vAMM) (virtual-amm)
Category: DeFi
Definition: An AMM that uses virtual (synthetic) reserves to facilitate perpetual contract trading without requiring real token liquidity in a pool. Traders deposit collateral and trade against the virtual reserves, with the AMM formula determining entry and exit prices. Drift Protocol on Solana uses a virtual AMM as a backstop liquidity source alongside its decentralized limit order book.
Aliases: vAMM
Related: AMM (Automated Market Maker), Perpetuals (Perps), Drift Protocol
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Concept graph

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Branch

AMM (Automated Market Maker)

A protocol that enables token swaps using algorithmic pricing against pooled liquidity instead of matching individual buyers and sellers. AMMs use mathematical formulas (typically constant product x*y=k) to determine prices based on the ratio of tokens in a liquidity pool. On Solana, major AMMs include Raydium, Orca, and Meteora.

Branch

Perpetuals (Perps)

Derivatives contracts that track an asset's price without expiration, enabling leveraged long/short positions. On Solana, Drift Protocol and Jupiter Perps are the leading perps platforms. Traders deposit collateral and open positions at up to 10-100x leverage. Funding rates keep the contract price aligned with the spot price.

Branch

Drift Protocol

A decentralized perpetuals and spot exchange on Solana featuring a hybrid order book + AMM model (DLOB). Drift offers up to 20x leverage on perpetual contracts, spot margin trading, and lending/borrowing. Its backstop AMM provides liquidity when the order book is thin. Drift also offers prediction markets and a BET token.

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DeFi

AMM (Automated Market Maker)

A protocol that enables token swaps using algorithmic pricing against pooled liquidity instead of matching individual buyers and sellers. AMMs use mathematical formulas (typically constant product x*y=k) to determine prices based on the ratio of tokens in a liquidity pool. On Solana, major AMMs include Raydium, Orca, and Meteora.

DeFi

Perpetuals (Perps)

Derivatives contracts that track an asset's price without expiration, enabling leveraged long/short positions. On Solana, Drift Protocol and Jupiter Perps are the leading perps platforms. Traders deposit collateral and open positions at up to 10-100x leverage. Funding rates keep the contract price aligned with the spot price.

DeFi

Drift Protocol

A decentralized perpetuals and spot exchange on Solana featuring a hybrid order book + AMM model (DLOB). Drift offers up to 20x leverage on perpetual contracts, spot margin trading, and lending/borrowing. Its backstop AMM provides liquidity when the order book is thin. Drift also offers prediction markets and a BET token.

DeFi

VRF (Verifiable Random Function)

Verifiable Random Function—a cryptographic primitive that generates provably random outputs with a proof of correctness. On Solana, Switchboard VRF provides on-chain randomness for gaming, lotteries, and NFT reveals. The oracle computes a random value and proof off-chain; the program verifies the proof on-chain before using the result.

Commonly confused with

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DeFiamm

AMM (Automated Market Maker)

A protocol that enables token swaps using algorithmic pricing against pooled liquidity instead of matching individual buyers and sellers. AMMs use mathematical formulas (typically constant product x*y=k) to determine prices based on the ratio of tokens in a liquidity pool. On Solana, major AMMs include Raydium, Orca, and Meteora.

AliasAMM
Related terms

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Glossary entries become useful when they are connected. These links are the shortest path to adjacent ideas.

DeFiamm

AMM (Automated Market Maker)

A protocol that enables token swaps using algorithmic pricing against pooled liquidity instead of matching individual buyers and sellers. AMMs use mathematical formulas (typically constant product x*y=k) to determine prices based on the ratio of tokens in a liquidity pool. On Solana, major AMMs include Raydium, Orca, and Meteora.

DeFiperpetuals

Perpetuals (Perps)

Derivatives contracts that track an asset's price without expiration, enabling leveraged long/short positions. On Solana, Drift Protocol and Jupiter Perps are the leading perps platforms. Traders deposit collateral and open positions at up to 10-100x leverage. Funding rates keep the contract price aligned with the spot price.

DeFidrift

Drift Protocol

A decentralized perpetuals and spot exchange on Solana featuring a hybrid order book + AMM model (DLOB). Drift offers up to 20x leverage on perpetual contracts, spot margin trading, and lending/borrowing. Its backstop AMM provides liquidity when the order book is thin. Drift also offers prediction markets and a BET token.

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DeFi

AMM (Automated Market Maker)

A protocol that enables token swaps using algorithmic pricing against pooled liquidity instead of matching individual buyers and sellers. AMMs use mathematical formulas (typically constant product x*y=k) to determine prices based on the ratio of tokens in a liquidity pool. On Solana, major AMMs include Raydium, Orca, and Meteora.

DeFi

CLMM (Concentrated Liquidity Market Maker)

An AMM design where liquidity providers concentrate their capital within specific price ranges instead of across the full 0-to-infinity range. CLMMs dramatically improve capital efficiency—LPs earn more fees per dollar deposited within their active range. If the price moves outside the range, the position becomes inactive. Orca Whirlpools and Raydium CLMM are leading implementations on Solana.

DeFi

Liquidity Pool

A smart-contract-held reserve of two or more tokens that enables trading via an AMM. Users deposit token pairs in specified ratios to become liquidity providers and earn trading fees. Pools are identified by their token pair and fee tier. Pool depth (total value locked) determines price impact for trades.

DeFi

LP Token

A token issued to liquidity providers representing their proportional share of a pool's reserves and accrued fees. LP tokens can be burned to withdraw the underlying assets. The value of LP tokens changes as the pool's token ratios shift and fees accumulate. LP tokens are often stakeable in yield farming programs for additional rewards.