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

  • Free test ADA from the faucet

  • Sending a transaction, live

  • Crop insurance that pays out when it rains

  • Are you Lucas? The validation script asks

  • The blockchain as a train of information

  • A whole blockchain running on a laptop

  • 30 billion ADA asleep at the wheel

  • The blockchain as a graffiti wall

  • What goes in must come out

  • Posted on the internet vs posted on a blockchain

  • From Bitcoin to scams: the crypto spectrum

  • A smart-contract swap, drawn step by step

  • Eight years without missing a block

  • Proof of work is push-ups for computers

  • A name for your wallet

  • A smart contract is a wallet without keys

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

  • When China banned mining, Bitcoin just adjusted

  • Set up a testnet wallet in a sandbox browser

  • Governance as a prototype for real democracies

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.