# Distributed Ledgers > **Machine-Evolution Nexus:** [[articles/Digital Darwinism and the Invisible World of Machine Evolution|Digital Darwinism and the Invisible World of Machine Evolution]] provides the evolutionary and computational context for this supporting concept. **Domain:** Distributed Systems **Doc Type:** Supporting Canonical Node **Maturity:** Developed ## Definition Distributed ledgers maintain replicated transaction or state records across multiple network participants using an agreement protocol. ## Nexus Context They enable blockchain lineages and make governance choices executable across infrastructure, but replication of records is not Darwinian evolution. ## Relationships [[wiki/Blockchain|Blockchain]], [[wiki/Consensus Mechanisms|Consensus Mechanisms]], [[wiki/Immutability|Immutability]], [[wiki/Distributed Intelligence|Distributed Intelligence]] ## Sources / Provenance - Developed from the cited research in the central article and the surrounding continuity, rights and evolutionary architecture.