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Blockchain General

UTXO Model

The accounting model used by Bitcoin (and derived chains like Litecoin and Zcash) where balances are represented as a set of unspent transaction outputs rather than account balances. Each transaction consumes one or more UTXOs as inputs and creates new UTXOs as outputs; the difference between input and output values constitutes the transaction fee. The UTXO model enables natural parallelism and simple verification but makes stateful smart contracts more complex compared to account-based models like Ethereum or Solana.

IDutxo-modelAliasUnspent Transaction OutputAliasUTXO
Lectura rápida

Lectura rápida

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

The accounting model used by Bitcoin (and derived chains like Litecoin and Zcash) where balances are represented as a set of unspent transaction outputs rather than account balances. Each transaction consumes one or more UTXOs as inputs and creates new UTXOs as outputs; the difference between input and output values constitutes the transaction fee. The UTXO model enables natural parallelism and simple verification but makes stateful smart contracts more complex compared to account-based models like Ethereum or Solana.

Modelo mental

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

Contexto técnico

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

Conceptos compartidos de cripto que dan marco al ecosistema más amplio.

Por qué le importa a un builder

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

Handoff para IA

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

UTXO Model (utxo-model)
Categoría: Blockchain General
Definición: The accounting model used by Bitcoin (and derived chains like Litecoin and Zcash) where balances are represented as a set of unspent transaction outputs rather than account balances. Each transaction consumes one or more UTXOs as inputs and creates new UTXOs as outputs; the difference between input and output values constitutes the transaction fee. The UTXO model enables natural parallelism and simple verification but makes stateful smart contracts more complex compared to account-based models like Ethereum or Solana.
Aliases: Unspent Transaction Output, UTXO
Relacionados: Bitcoin, Bitcoin Script
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.

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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

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

Bitcoin

The first decentralized cryptocurrency network, launched in 2009 by the pseudonymous Satoshi Nakamoto, using a Proof-of-Work consensus mechanism and a UTXO-based transaction model. Bitcoin's protocol enforces a fixed supply cap of 21 million BTC, with new coins issued through mining block rewards that halve approximately every four years. It serves as both a peer-to-peer electronic cash system and a store of value, with its scripting language enabling basic programmability such as multisig and timelocks.

Prueba de Trabajo (PoW)Bitcoin Halving
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Rama

Bitcoin Script

Bitcoin's stack-based, intentionally non-Turing-complete scripting language used to define spending conditions for transaction outputs. Scripts are composed of opcodes that manipulate a stack to evaluate whether a transaction is authorized, supporting operations like signature verification (OP_CHECKSIG), multisig (OP_CHECKMULTISIG), timelocks (OP_CHECKLOCKTIMEVERIFY), and hash preimage checks. Its deliberate limitations (no loops, bounded execution) minimize attack surface.

OP_CATTaproot
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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.

Blockchain General

Bitcoin

The first decentralized cryptocurrency network, launched in 2009 by the pseudonymous Satoshi Nakamoto, using a Proof-of-Work consensus mechanism and a UTXO-based transaction model. Bitcoin's protocol enforces a fixed supply cap of 21 million BTC, with new coins issued through mining block rewards that halve approximately every four years. It serves as both a peer-to-peer electronic cash system and a store of value, with its scripting language enabling basic programmability such as multisig and timelocks.

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Blockchain General

Bitcoin Script

Bitcoin's stack-based, intentionally non-Turing-complete scripting language used to define spending conditions for transaction outputs. Scripts are composed of opcodes that manipulate a stack to evaluate whether a transaction is authorized, supporting operations like signature verification (OP_CHECKSIG), multisig (OP_CHECKMULTISIG), timelocks (OP_CHECKLOCKTIMEVERIFY), and hash preimage checks. Its deliberate limitations (no loops, bounded execution) minimize attack surface.

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Blockchain General

Validator Economics

The financial model governing validator profitability including staking rewards (inflation), transaction fee revenue, MEV tips, and operational costs (hardware, bandwidth, data center). On Solana, validators earn ~6-7% APY from inflation plus priority fees and Jito MEV tips, offset by costs of running high-spec hardware.

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Blockchain General

Unified Address

A Zcash address format (ZIP 316) that bundles multiple receiver types (transparent, Sapling, Orchard) into a single 'u1'-prefixed address, allowing the sender's wallet to automatically select the most private payment method. Unified Addresses eliminate the complexity of managing separate transparent and shielded addresses, and support diversified addresses for unlinkable payment reception from a single spending key.

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Comúnmente confundido con

Términos cercanos en vocabulario, acrónimo o vecindad conceptual.

Estas entradas son fáciles de mezclar cuando lees rápido, haces prompting a un LLM o estás entrando en una nueva capa de Solana.

Blockchain Generalshielded-transaction

Shielded Transaction

A Zcash transaction where sender address, receiver address, and amount are encrypted using zk-SNARKs, providing cryptographic privacy while allowing network nodes to verify validity without learning private details. Shielded transactions operate within dedicated value pools (Sapling or Orchard), each with independent circuit designs. Users can selectively disclose transaction details to third parties using viewing keys without compromising spending authority.

AliasPrivate Transaction (Zcash)
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Blockchain Generalblob-transaction

Blob Transaction (EIP-4844)

An Ethereum transaction type introduced in the Dencun upgrade (March 2024) that carries binary large objects (blobs) of temporary off-chain data. Each blob is 128 KB, committed via KZG polynomial commitments, and stored for ~18 days before pruning. Blob transactions created a separate fee market and reduced Layer 2 rollup fees by 10-100x by providing cheap, temporary data availability.

AliasBlobAliasEIP-4844
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Blockchain Generaltransaction-fee-general

Transaction Fee

The cost paid by the sender to have a transaction processed and included in a block. Fees compensate validators/miners for computation and prevent spam. Fee models vary: Ethereum uses dynamic gas pricing (EIP-1559 base fee + tip), Solana uses base fee (5,000 lamports) + optional priority fee, Bitcoin uses fee-per-byte.

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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.

Blockchain Generalbitcoin

Bitcoin

The first decentralized cryptocurrency network, launched in 2009 by the pseudonymous Satoshi Nakamoto, using a Proof-of-Work consensus mechanism and a UTXO-based transaction model. Bitcoin's protocol enforces a fixed supply cap of 21 million BTC, with new coins issued through mining block rewards that halve approximately every four years. It serves as both a peer-to-peer electronic cash system and a store of value, with its scripting language enabling basic programmability such as multisig and timelocks.

Abrir término
Blockchain Generalbitcoin-script

Bitcoin Script

Bitcoin's stack-based, intentionally non-Turing-complete scripting language used to define spending conditions for transaction outputs. Scripts are composed of opcodes that manipulate a stack to evaluate whether a transaction is authorized, supporting operations like signature verification (OP_CHECKSIG), multisig (OP_CHECKMULTISIG), timelocks (OP_CHECKLOCKTIMEVERIFY), and hash preimage checks. Its deliberate limitations (no loops, bounded execution) minimize attack surface.

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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.

Blockchain General

Blockchain

A distributed, append-only ledger that records transactions in cryptographically linked blocks. Each block contains a hash of the previous block, forming an immutable chain. Nodes in the network maintain copies of the ledger and reach agreement through consensus mechanisms. Blockchains enable trustless, decentralized record-keeping without a central authority.

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Blockchain General

Mecanismo de Consenso

The protocol by which nodes in a distributed network agree on the current state of the ledger. Common mechanisms include Proof of Work (Bitcoin), Proof of Stake (Ethereum, Solana), and BFT variants. Consensus ensures all honest nodes converge on the same transaction history despite potential network delays or malicious actors.

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Blockchain General

Prueba de Participación (PoS)

A consensus mechanism where validators are selected to produce blocks based on the amount of cryptocurrency they have staked (locked) as collateral. PoS is energy-efficient compared to Proof of Work. Misbehaving validators risk losing their stake (slashing). Solana, Ethereum (post-Merge), Cosmos, and Cardano use PoS variants.

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Blockchain General

Prueba de Trabajo (PoW)

A consensus mechanism where miners compete to solve computationally expensive puzzles to produce blocks and earn rewards. PoW provides strong security (51% attack resistance) but is energy-intensive. Bitcoin and pre-Merge Ethereum use PoW. The difficulty adjusts to maintain target block times regardless of total network hash power.

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