Bitcoin and Ethereum Compared: UTXOs, Accounts, Privacy and Scaling
Compare Bitcoin’s unspent outputs with Ethereum’s account state through transaction examples. Then separate payment fees, privacy and scaling from b…
Layer 2 Withdrawal Lab: OP Mainnet to Ethereum
Your OP Mainnet transaction succeeded. Why is the ETH still unavailable on Ethereum? Follow one withdrawal through its receipts, proof and finaliza…
Layer 1 and Layer 2 Explained: Settlement, Withdrawals and Total Cost
DEX Comparison Lab: Uniswap v2 and Curve StableSwap
Two pools begin with the same balances. One swap uses Uniswap v2's constant-product rule; the other uses Curve's original StableSwap invari…
How DEXs Work: AMMs, Order Books and Aggregation
Follow how an AMM, an order book and an aggregator each assemble a trade. Identify where orders, prices and settlement live before assuming two DEXs…
Hot and Cold Wallets: Key Isolation, Signing Risk and Recovery
Reviewed and updated: October 19, 2026. Hot and cold describe how signing keys are exposed, not whether an asset appears on an internet-connected sc…