Glossary OS

Lectura rápida

Empieza por la explicación más corta y útil antes de profundizar.

A time-based job scheduling concept originating from Unix systems, where tasks are defined to run at specific intervals using cron expressions (e.g., '0 */6 * * *' for every 6 hours). In blockchain contexts, cron-like scheduling is used to trigger on-chain operations such as reward distributions, oracle updates, and automated rebalancing at regular intervals, typically implemented through off-chain keeper services or on-chain automation protocols.

Modelo mental

Usa primero la analogía corta para razonar mejor sobre el término cuando aparezca en código, docs o prompts.

Piensa en esto como un bloque de construcción que conecta una definición aislada con el sistema mayor donde vive.

Contexto técnico

Ubica el término dentro de la capa de Solana en la que vive para razonar mejor sobre él.

Serialización, memoria, estructuras de datos y bases de ingeniería.

Por qué le importa a un builder

Convierte el término de vocabulario en algo operacional para producto e ingeniería.

Este término desbloquea conceptos adyacentes rápido, así que funciona mejor cuando lo tratas como un punto de conexión y no como una definición aislada.

Handoff para IA

Usa este bloque compacto cuando quieras dar contexto sólido a un agente o asistente sin volcar toda la página.

Cron (Time-Based Scheduling) (cron)
Categoría: Fundamentos de Programación
Definición: A time-based job scheduling concept originating from Unix systems, where tasks are defined to run at specific intervals using cron expressions (e.g., '0 */6 * * *' for every 6 hours). In blockchain contexts, cron-like scheduling is used to trigger on-chain operations such as reward distributions, oracle updates, and automated rebalancing at regular intervals, typically implemented through off-chain keeper services or on-chain automation protocols.
Aliases: Cron Job, Cron Expression
Relacionados: Program Automation, Clockwork

Glossary Copilot

Haz preguntas de Solana con contexto aterrizado sin salir del glosario.

Usa contexto del glosario, relaciones entre términos, modelos mentales y builder paths para recibir respuestas estructuradas en vez de output genérico.

Abrir workspace completa del Copilot

Pregunta

Explicar este código

Opcional: pega código Anchor, Solana o Rust para que el Copilot mapee primitivas de vuelta al glosario.

Haz una pregunta aterrizada en el glosario

El Copilot responderá usando el término actual, conceptos relacionados, modelos mentales y el grafo alrededor del glosario.

Grafo conceptual

Ve el término como parte de una red, no como una definición aislada.

Estas ramas muestran qué conceptos toca este término directamente y qué existe una capa más allá de ellos.

Rama

Program Automation

The pattern of scheduling and triggering on-chain program instructions based on time intervals, cron expressions, or conditional state changes without manual intervention. On Solana, automation was pioneered by Clockwork (now sunset) using on-chain Thread accounts and has evolved toward off-chain keeper bot architectures where backend services monitor chain state and submit transactions when trigger conditions are met.

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Rama

Clockwork

A deprecated Solana on-chain automation protocol (by Clockwork Labs, now sunset) that allowed developers to schedule and trigger smart contract instructions based on time (cron expressions) or on-chain conditions using a network of automation worker threads running alongside validators. Clockwork introduced the concept of Thread accounts that encoded trigger conditions and instruction targets directly on-chain, and while it has been discontinued, it pioneered the automation primitive model later explored by projects like Turbin3 and off-chain keeper bot architectures.

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Siguientes conceptos para explorar

Mantén la cadena de aprendizaje en movimiento en lugar de parar en una sola definición.

Estos son los siguientes conceptos que vale la pena abrir si quieres que este término tenga más sentido dentro de un workflow real de Solana.

Infraestructura

Program Automation

The pattern of scheduling and triggering on-chain program instructions based on time intervals, cron expressions, or conditional state changes without manual intervention. On Solana, automation was pioneered by Clockwork (now sunset) using on-chain Thread accounts and has evolved toward off-chain keeper bot architectures where backend services monitor chain state and submit transactions when trigger conditions are met.

Abrir término

Infraestructura

Clockwork

A deprecated Solana on-chain automation protocol (by Clockwork Labs, now sunset) that allowed developers to schedule and trigger smart contract instructions based on time (cron expressions) or on-chain conditions using a network of automation worker threads running alongside validators. Clockwork introduced the concept of Thread accounts that encoded trigger conditions and instruction targets directly on-chain, and while it has been discontinued, it pioneered the automation primitive model later explored by projects like Turbin3 and off-chain keeper bot architectures.

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Fundamentos de Programación

Curve25519

An elliptic curve designed by Daniel Bernstein for efficient Diffie-Hellman key exchange. It operates on a Montgomery curve over a 255-bit prime field, offering 128-bit security. Solana uses the related Edwards form (Ed25519) for transaction signatures. Curve25519 is favored for its speed, constant-time implementation, and resistance to timing attacks.

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Fundamentos de Programación

Criptografía de Clave Pública

A cryptographic system using mathematically linked key pairs: a public key (shared freely) and a private key (kept secret). Used for digital signatures (sender signs with private key, anyone verifies with public key) and encryption (encrypt with public key, decrypt with private key). Solana uses Ed25519 for signatures and Curve25519/Ristretto255 for encryption.

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Términos relacionados

Sigue los conceptos que realmente le dan contexto a este término.

Las entradas del glosario se vuelven útiles cuando están conectadas. Estos enlaces son el camino más corto hacia ideas adyacentes.

Infraestructuraprogram-automation

Program Automation

The pattern of scheduling and triggering on-chain program instructions based on time intervals, cron expressions, or conditional state changes without manual intervention. On Solana, automation was pioneered by Clockwork (now sunset) using on-chain Thread accounts and has evolved toward off-chain keeper bot architectures where backend services monitor chain state and submit transactions when trigger conditions are met.

Abrir término

Infraestructuraclockwork

Clockwork

A deprecated Solana on-chain automation protocol (by Clockwork Labs, now sunset) that allowed developers to schedule and trigger smart contract instructions based on time (cron expressions) or on-chain conditions using a network of automation worker threads running alongside validators. Clockwork introduced the concept of Thread accounts that encoded trigger conditions and instruction targets directly on-chain, and while it has been discontinued, it pioneered the automation primitive model later explored by projects like Turbin3 and off-chain keeper bot architectures.

Abrir término

Más en la categoría

Quédate en la misma capa y sigue construyendo contexto.

Estas entradas viven junto al término actual y ayudan a que la página se sienta parte de un grafo de conocimiento más amplio en lugar de un callejón sin salida.

Fundamentos de Programación

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.

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Fundamentos de Programación

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.

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Fundamentos de Programación

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.

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Fundamentos de Programación

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.

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