05 · Shared ledger

Blockchain

Understand ledgers, consensus, and network boundaries without confusing recording with truth.

This track recommends no network, asset, transaction, or use case and provides no financial or legal advice.

Objectives

  • Describe a shared ledger.
  • Separate consensus from source truth.
  • Read a network’s boundaries.
018 min

Shared ledger and source truth

A shared ledger orders and replicates data according to rules; it does not automatically make an entry true.

Start
029 min

Network boundaries and finality

Rules, participants, assumptions, and forms of finality vary; a technical term is not enough to transfer a conclusion.

Start