Le Coin / Learning Hub

Learning Hub

Plain-English explainers on how blockchains, stablecoins and crypto infrastructure work. Sourced line by line, versioned, free as PDF.

01 Mechanics only. No prices.
02 Every claim sourced.
03 Versioned with a changelog.

Showing 4 of 23

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The first card is the most recently updated dive

Latest revision · v0.2.1

A plain guide to what a rollup is, how it posts data to Ethereum, how withdrawals are challenged, and how Base sets its own withdrawal window.

Published v0.2.1Updated Oct. 17, 202611 sources

Arbitrum is a family of Ethereum layer-2 (L2) chains and the software that runs them.

Published v0.3.1Updated Oct. 17, 202616 sources

Ethereum is a public blockchain that runs smart contracts, which ethereum.org defines as programs that run on the Ethereum blockchain.

Published v0.3.0Updated Oct. 16, 202612 sources

Robinhood Chain is an Ethereum layer-2 (L2) blockchain built by Robinhood Markets using Arbitrum technology.

Published v0.4-plainUpdated Oct. 15, 202623 sources