Blockchain

Blockchain

Also called Distributed ledger.

A distributed ledger in which participants maintain and validate a shared sequence of records using a defined protocol.

Source: SDA editorial · reviewed 2026-09-08

See it in the real numbers

🌍

Europe Live

Every term as a live figure across the European grid.

 📚

Learn

Short lessons that put the term in context.

 🟩

Griddle

Guess today's country from its live energy mix.