Glossary OS

Plain meaning

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The process of computing an account address from known inputs without randomness, ensuring the same inputs always produce the same address. On Solana, this includes PDAs (derived from program ID + seeds + bump), Associated Token Accounts (derived from wallet + mint + token program), and keypairs derived from seed phrases. Deterministic derivation enables clients to compute account addresses off-chain without querying the network, simplifying account discovery and transaction construction.

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Deterministic Address Derivation (deterministic-address-derivation)
Category: Programming Fundamentals
Definition: The process of computing an account address from known inputs without randomness, ensuring the same inputs always produce the same address. On Solana, this includes PDAs (derived from program ID + seeds + bump), Associated Token Accounts (derived from wallet + mint + token program), and keypairs derived from seed phrases. Deterministic derivation enables clients to compute account addresses off-chain without querying the network, simplifying account discovery and transaction construction.
Related: Program Derived Address (PDA), find_program_address, Seeds

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Branch

Program Derived Address (PDA)

An account address derived deterministically from a program ID and a set of seeds, with no corresponding private key. PDAs are created by finding a pubkey that does NOT lie on the Ed25519 curve (using a bump seed). Since there's no private key, only the deriving program can sign for the PDA via invoke_signed, making PDAs ideal for program-controlled state.

Bump Seed

Open term

Branch

find_program_address

A function that derives a PDA by iterating bump seeds from 255 down to 0 until finding a pubkey not on the Ed25519 curve. It returns (pubkey, bump). In Anchor, the #[account(seeds=[...], bump)] constraint calls this automatically. The corresponding create_program_address skips iteration and takes an explicit bump.

Open term

Branch

Seeds

Byte arrays used as inputs to derive a Program Derived Address. Seeds can be any combination of static strings, user pubkeys, mint addresses, or other identifiers (each seed max 32 bytes, up to 16 seeds). For example, seeds=[b'vault', user.key()] derives a unique vault PDA for each user.

Open term

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Programming Model

Program Derived Address (PDA)

An account address derived deterministically from a program ID and a set of seeds, with no corresponding private key. PDAs are created by finding a pubkey that does NOT lie on the Ed25519 curve (using a bump seed). Since there's no private key, only the deriving program can sign for the PDA via invoke_signed, making PDAs ideal for program-controlled state.

Open term

Programming Model

find_program_address

A function that derives a PDA by iterating bump seeds from 255 down to 0 until finding a pubkey not on the Ed25519 curve. It returns (pubkey, bump). In Anchor, the #[account(seeds=[...], bump)] constraint calls this automatically. The corresponding create_program_address skips iteration and takes an explicit bump.

Open term

Programming Model

Seeds

Byte arrays used as inputs to derive a Program Derived Address. Seeds can be any combination of static strings, user pubkeys, mint addresses, or other identifiers (each seed max 32 bytes, up to 16 seeds). For example, seeds=[b'vault', user.key()] derives a unique vault PDA for each user.

Open term

Programming Fundamentals

Docker

A platform for packaging applications into lightweight, portable containers that include all dependencies. In Solana development, Docker is used for: deterministic program builds (solana-verify), running local validators, reproducible test environments, and CI/CD pipelines. Docker ensures 'works on my machine' consistency across development, testing, and deployment.

Open term

Related terms

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Programming Modelpda

Program Derived Address (PDA)

An account address derived deterministically from a program ID and a set of seeds, with no corresponding private key. PDAs are created by finding a pubkey that does NOT lie on the Ed25519 curve (using a bump seed). Since there's no private key, only the deriving program can sign for the PDA via invoke_signed, making PDAs ideal for program-controlled state.

Open term

Programming Modelfind-program-address

find_program_address

A function that derives a PDA by iterating bump seeds from 255 down to 0 until finding a pubkey not on the Ed25519 curve. It returns (pubkey, bump). In Anchor, the #[account(seeds=[...], bump)] constraint calls this automatically. The corresponding create_program_address skips iteration and takes an explicit bump.

Open term

Programming Modelseeds

Seeds

Byte arrays used as inputs to derive a Program Derived Address. Seeds can be any combination of static strings, user pubkeys, mint addresses, or other identifiers (each seed max 32 bytes, up to 16 seeds). For example, seeds=[b'vault', user.key()] derives a unique vault PDA for each user.

Open term

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Programming Fundamentals

Rust

A systems programming language emphasizing memory safety, zero-cost abstractions, and concurrency without a garbage collector. Rust uses an ownership model with borrow checking at compile time to prevent data races and null pointer bugs. It is the primary language for Solana program development (via Anchor or native solana-program crate) and the Agave validator client.

Open term

Programming Fundamentals

TypeScript

A statically typed superset of JavaScript that compiles to plain JavaScript. TypeScript adds type annotations, interfaces, generics, and enums to catch errors at compile time. It is the standard language for Solana client-side development—wallet adapters, dApp frontends, test suites, and SDK interactions (web3.js, Anchor client) are typically written in TypeScript.

Open term

Programming Fundamentals

JavaScript

The ubiquitous scripting language for web development, running in browsers and Node.js. JavaScript is dynamically typed and event-driven. Most Solana dApp frontends and scripts use JavaScript/TypeScript with libraries like @solana/web3.js. Node.js enables server-side JS for backend services, indexers, and bot development.

Open term

Programming Fundamentals

Node.js

A JavaScript runtime built on Chrome's V8 engine that enables server-side JavaScript execution. Node.js uses an event-driven, non-blocking I/O model. In the Solana ecosystem, Node.js is used for: running Anchor tests (Mocha/Jest), backend services, transaction bots, indexers, and CLI tools. npm/yarn/pnpm manage JavaScript package dependencies.

Open term