Blockchain, explained clearly.

Independent, plain-English articles about how blockchain technology works, written for readers in Japan and around the world. Every article starts with the summary.

Latest articles

Each article opens with the key points, then explains the topic step by step in plain language.

How Metadiscover works

Five commitments that shape every page on this site.

  • Independent content

    Every article is researched, written, and edited in-house. No sponsor, brand, or organisation decides what we publish.

  • Privacy-focused

    We run no analytics, trackers, or advertising scripts. Nothing about your visit is collected or shared.

  • No membership

    There are no accounts, subscriptions, or paywalls. Every article is open to everyone from the first visit.

  • Summary first

    Each article opens with its key points, so you can decide within seconds whether to read on.

  • Everything free

    All of our articles are free to read, supported only by clearly labelled sponsor placements.

What we write about

Blockchain is a broad subject. Our editorial scope covers the whole field, from first principles to everyday use.

  • Fundamentals

    Blocks, hashes, distributed ledgers, and the ideas that make a blockchain different from an ordinary database.

  • Networks and consensus

    How nodes agree on a shared record, and what proof of work and proof of stake do.

  • Wallets and everyday safety

    How wallets, keys, and recovery phrases work, explained for people using them for the first time.

  • Smart contracts and applications

    What programmable agreements are, how they run, and where they are used today.

  • Real-world use cases

    Supply chains, digital identity, record keeping, and other practical applications beyond currency.

  • Terminology

    Clear definitions of the words that appear in every conversation about blockchain.