BFT consensus protocol using two-phase voting (prevote + precommit) with a 2/3 supermajority threshold. Unlike Tower BFT which votes on a continuously growing PoH chain, Tendermint uses round-based block proposals. Tower BFT achieves lower latency by avoiding per-round communication overhead, leveraging PoH as a shared clock instead.
Empieza por la explicación más corta y útil antes de profundizar.
BFT consensus protocol using two-phase voting (prevote + precommit) with a 2/3 supermajority threshold. Unlike Tower BFT which votes on a continuously growing PoH chain, Tendermint uses round-based block proposals. Tower BFT achieves lower latency by avoiding per-round communication overhead, leveraging PoH as a shared clock instead.
Usa primero la analogía corta para razonar mejor sobre el término cuando aparezca en código, docs o prompts.
Piensa en esto como parte del engranaje que mantiene funcionando el orden, la ejecución o el consenso de la red.
Ubica el término dentro de la capa de Solana en la que vive para razonar mejor sobre él.
Consenso, rotación de líderes, slots, epochs y el runtime.
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.
Usa este bloque compacto cuando quieras dar contexto sólido a un agente o asistente sin volcar toda la página.
Tendermint Consensus (tendermint-consensus) Categoría: Protocolo Base Definición: BFT consensus protocol using two-phase voting (prevote + precommit) with a 2/3 supermajority threshold. Unlike Tower BFT which votes on a continuously growing PoH chain, Tendermint uses round-based block proposals. Tower BFT achieves lower latency by avoiding per-round communication overhead, leveraging PoH as a shared clock instead. Aliases: CometBFT Relacionados: Mecanismo de Consenso, Tower BFT, Supermayoría, Byzantine Fault Tolerance (BFT)
Usa contexto del glosario, relaciones entre términos, modelos mentales y builder paths para recibir respuestas estructuradas en vez de output genérico.
Opcional: pega código Anchor, Solana o Rust para que el Copilot mapee primitivas de vuelta al glosario.
El Copilot responderá usando el término actual, conceptos relacionados, modelos mentales y el grafo alrededor del glosario.
Estas ramas muestran qué conceptos toca este término directamente y qué existe una capa más allá de ellos.
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.
Solana's custom BFT consensus algorithm built on top of Proof of History. Tower BFT uses PoH as a clock to reduce communication overhead in traditional PBFT from O(n²) to O(n). Validators vote on forks with exponentially increasing lockout periods—each consecutive vote doubles the lockout, making rollbacks progressively more expensive. A fork is finalized when it reaches supermajority (66.7%+ of stake).
A threshold of more than 2/3 (66.7%) of total active stake agreeing on a particular fork. Supermajority is required for optimistic confirmation and, through sustained voting, for finality (rooting). If supermajority is lost (e.g., too many validators offline), the cluster halts until it recovers.
The ability of a distributed system to reach consensus despite some nodes behaving arbitrarily (maliciously or failing). BFT algorithms tolerate up to f faulty nodes in a network of 3f+1 total nodes (1/3 threshold). Solana's Tower BFT, Tendermint, and PBFT are BFT consensus variants. BFT is essential for permissionless blockchains.
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.
Estas entradas son fáciles de mezclar cuando lees rápido, haces prompting a un LLM o estás entrando en una nueva capa de Solana.
Consensus family where the longest (or heaviest) valid chain is considered canonical, originally used in Bitcoin's Proof of Work. Participants probabilistically converge on a single chain without explicit voting rounds. Solana's Tower BFT is not Nakamoto consensus — it uses explicit BFT voting with lockout periods rather than chain-length selection, providing deterministic rather than probabilistic finality.
Las entradas del glosario se vuelven útiles cuando están conectadas. Estos enlaces son el camino más corto hacia ideas adyacentes.
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.
Solana's custom BFT consensus algorithm built on top of Proof of History. Tower BFT uses PoH as a clock to reduce communication overhead in traditional PBFT from O(n²) to O(n). Validators vote on forks with exponentially increasing lockout periods—each consecutive vote doubles the lockout, making rollbacks progressively more expensive. A fork is finalized when it reaches supermajority (66.7%+ of stake).
A threshold of more than 2/3 (66.7%) of total active stake agreeing on a particular fork. Supermajority is required for optimistic confirmation and, through sustained voting, for finality (rooting). If supermajority is lost (e.g., too many validators offline), the cluster halts until it recovers.
The ability of a distributed system to reach consensus despite some nodes behaving arbitrarily (maliciously or failing). BFT algorithms tolerate up to f faulty nodes in a network of 3f+1 total nodes (1/3 threshold). Solana's Tower BFT, Tendermint, and PBFT are BFT consensus variants. BFT is essential for permissionless blockchains.
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.
A clock mechanism that cryptographically proves the passage of time between events. PoH uses a sequential SHA-256 hash chain where each output becomes the next input, creating a verifiable ordering of events without requiring consensus. The leader produces ~400,000 hashes per slot (~400ms), and any validator can verify the sequence in parallel, enabling Solana's high throughput by removing the need for validators to agree on time.
Solana's custom BFT consensus algorithm built on top of Proof of History. Tower BFT uses PoH as a clock to reduce communication overhead in traditional PBFT from O(n²) to O(n). Validators vote on forks with exponentially increasing lockout periods—each consecutive vote doubles the lockout, making rollbacks progressively more expensive. A fork is finalized when it reaches supermajority (66.7%+ of stake).
A time window during which a designated leader validator can produce a block. Each slot lasts approximately 400 milliseconds. Slots are numbered sequentially from genesis and grouped into epochs of 432,000 slots (~2-3 days). Not every slot produces a block—a skipped slot means the leader was offline or too slow.
A set of entries produced by a leader during a single slot. A block contains transactions bundled into entries, each with a PoH hash proving ordering. Blocks are broken into shreds for network propagation via Turbine. Maximum block size is limited by compute units (48M CU cap per block) rather than byte size.