45B · Learn

Welcome!

If you haven’t read through this project’s landing page, please head to 45b.io/web3 for overall context. If you like this initiative, get in touch with us! Especially to get involved in the ongoing Async+Multilingual side (Cohort #3).

Moments from the calls

  • A name for your wallet

  • The café owner has to understand it first

  • From Bitcoin to scams: the crypto spectrum

  • Bitcoin doesn't care, Cardano does

  • A whole blockchain running on a laptop

  • A huge, infinite train of numbered blocks

  • Posted on the internet vs posted on a blockchain

  • I own a city in Portugal

  • The blockchain as a graffiti wall

  • A layer two is your bar tab

  • Are you Lucas? The validation script asks

  • Free test ADA from the faucet

  • Where your transaction really goes

  • How a hardware wallet signs

  • The rules are enforced by the blockchain, not the app

  • Eight years without missing a block

  • A swap with no one to trust

  • Anyone can mint a coin for 17 cents

  • The blockchain as a cartoon

  • Who actually votes on Cardano

Watch more moments →

Cohorts

Our project was funded a while ago and the first cohort ran in the end of 2025. We’ve experimented with different formats for content and sessions throughout the cohorts, even conjugating cohorts a bit while exploring asynchronous knowledge sharing.