Hands-On Tools & Activities

Explore real blockchain tools and live dashboards. Each lesson has guided activities using free, no-signup web tools.

How to Use

  • Embedded tools load directly on the activity page — interact without leaving the site
  • External tools open in a new tab so you can follow along with the guided steps
  • All tools are FREE and require no signup or account creation
  • Each activity takes 5–15 minutes and includes step-by-step instructions

Activities by Lesson

Featured Tools

Tool Type Lessons Description
Anders Brownworth Embed L02, L03, L04 Interactive blockchain, hash, and distributed consensus demos
TradingView Embed L01 Live cryptocurrency price charts with technical analysis
CoinGecko Embed Link L01, L05 Market overview widgets and token metrics
CoinMarketCap Link L01, L05, L08 Comprehensive crypto market data and rankings
DeFiLlama Link L01, L05, L06, L08 DeFi TVL analytics, yield data, and stablecoin tracking
mempool.space Link L02, L04, L05 Live Bitcoin mempool visualization and block explorer
Blockchair Link L02, L04 Multi-chain block explorer with comparison tools
Etherscan Link L04, L05, L06, L07, L08 Ethereum blockchain explorer, contracts, and gas tracker
CyberChef Link L03 Multi-operation cryptographic tool by GCHQ
emn178 SHA-256 Link L03 Simple online SHA-256 hash calculator
bitaddress.org Link L03 Client-side Bitcoin key pair generator
Remix IDE Link L07 Browser-based Solidity IDE (VM only, no wallet)
Uniswap Info Link L06 AMM pool analytics and trading data
Aave Markets Link L06 DeFi lending and borrowing rate dashboard
OpenSea Link L07 NFT marketplace with collection rankings
Snapshot Link L09 Off-chain DAO voting platform
Tally Link L09 On-chain governance explorer
DeepDAO Link L09 DAO analytics and participation metrics
bitcoin.org Link L01 Bitcoin whitepaper (original Satoshi paper)
learnmeabitcoin.com Link L02 Deep-dive into Bitcoin protocol internals
© Joerg Osterrieder 2025-2026. All rights reserved.