Simultaneous, all-or-nothing completion of both legs of a trade (asset + cash) in a single transaction. Eliminates settlement risk. A Solana transaction either fully executes all instructions or reverts completely, making partial settlement impossible by construction.
Start with the shortest useful explanation before going deeper.
Simultaneous, all-or-nothing completion of both legs of a trade (asset + cash) in a single transaction. Eliminates settlement risk. A Solana transaction either fully executes all instructions or reverts completely, making partial settlement impossible by construction.
Use the quick analogy first so the term is easier to reason about when you meet it in code, docs, or prompts.
Think of it as a market mechanic used to price, route, or move capital through liquidity apps.
Place the term inside its Solana layer so the definition is easier to reason about.
AMMs, routing, liquidity, lending, and trading infrastructure.
Turn the term from vocabulary into something operational for product and engineering work.
This term unlocks adjacent concepts quickly, so it works best when you treat it as a junction instead of an isolated definition.
Use this compact block when you want to give an agent or assistant grounded context without dumping the entire page.
Atomic Settlement (atomic-settlement) Category: DeFi Definition: Simultaneous, all-or-nothing completion of both legs of a trade (asset + cash) in a single transaction. Eliminates settlement risk. A Solana transaction either fully executes all instructions or reverts completely, making partial settlement impossible by construction. Related: Finality (Blockchain), DvP (Delivery vs Payment), Clearing and Settlement
Use glossary context, relationships, mental models, and builder paths to get structured answers instead of generic chat output.
Optional: paste Anchor, Solana, or Rust code so the Copilot can map primitives back to glossary terms.
The Copilot will answer using the current term, related concepts, mental models, and the surrounding glossary graph.
These branches show which concepts this term touches directly and what sits one layer beyond them.
The guarantee that a confirmed transaction is irreversible and cannot be altered. Probabilistic finality (Bitcoin) means reversal becomes exponentially unlikely over time. Deterministic finality (Solana finalized, Tendermint) provides absolute guarantees after a protocol-defined threshold. Finality time ranges from seconds (Solana) to ~60 minutes (Bitcoin, 6 confirmations).
Settlement mechanism ensuring security delivery occurs simultaneously and conditionally with payment. Blockchain's atomic transactions naturally implement DvP — a single transaction transfers tokenized security and USDC atomically.
Two phases of completing a financial transaction. Clearing: reconciling orders and calculating net obligations. Settlement: actual exchange of securities and cash. Traditional markets: T+1/T+2. Blockchain enables atomic settlement — simultaneous instant exchange eliminating counterparty risk.
These are the next concepts worth opening if you want this term to make more sense inside a real Solana workflow.
These entries are easy to mix up when you are reading quickly, prompting an LLM, or onboarding into a new layer of Solana.
A stablecoin that maintains its peg through algorithmic mechanisms (mint/burn arbitrage, elastic supply) rather than being fully backed by reserves. Algorithmic stablecoins use smart contracts to expand or contract supply based on demand. The category carries significant risk after the UST/Luna collapse in 2022. On Solana, UXD Protocol attempted a delta-neutral algorithmic design.
Settlement date convention: T+1 means trade settles one business day later. US equities moved to T+1 in 2024. Blockchain is effectively T+0 — Solana transactions finalize in under 1 second with no counterparty exposure after confirmation.
Glossary entries become useful when they are connected. These links are the shortest path to adjacent ideas.
The guarantee that a confirmed transaction is irreversible and cannot be altered. Probabilistic finality (Bitcoin) means reversal becomes exponentially unlikely over time. Deterministic finality (Solana finalized, Tendermint) provides absolute guarantees after a protocol-defined threshold. Finality time ranges from seconds (Solana) to ~60 minutes (Bitcoin, 6 confirmations).
Settlement mechanism ensuring security delivery occurs simultaneously and conditionally with payment. Blockchain's atomic transactions naturally implement DvP — a single transaction transfers tokenized security and USDC atomically.
Two phases of completing a financial transaction. Clearing: reconciling orders and calculating net obligations. Settlement: actual exchange of securities and cash. Traditional markets: T+1/T+2. Blockchain enables atomic settlement — simultaneous instant exchange eliminating counterparty risk.
These entries live beside the current term and help the page feel like part of a larger knowledge graph instead of a dead end.
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.
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.
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.
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.