# Proposer-Based Timestamps This section describes a version of the Tendermint consensus protocol, which uses proposer-based timestamps. ## Contents - [Proposer-Based Time][main] (entry point) - [Part I - System Model and Properties][sysmodel] - [Part II - Protocol Specification][algorithm] - [TLA+ Specification][proposertla] [algorithm]: ./pbts-algorithm_002_draft.md [sysmodel]: ./pbts-sysmodel_001_draft.md [main]: ./pbts_001_draft.md [proposertla]: ./tla/TendermintPBT_001_draft.tla