Token decimals: translate raw balances without changing value
Use unit conversions correctly and avoid mistakes when comparing token balances, prices, and supply.
Use unit conversions correctly and avoid mistakes when comparing token balances, prices, and supply.
Compare reserve-backed, collateral-backed, and reflexive designs by tracing redemption and incentives.
Evaluate reserve disclosures without confusing a balance snapshot, an attestation, and a full financial audit.
Understand loan-to-value, liquidation thresholds, interest accrual, and the limits of a collateral buffer.
Explore reserve curves, fee income, inventory changes, and why providing liquidity differs from holding tokens.
Read minimum output and deadlines before a swap, and understand why a successful trade can disappoint.






Go beyond the headline: understand how the moving parts fit together.

Compare direct operation, pooled participation, liquid claims, penalties, fees, and withdrawal dependencies.

Learn the differences between arbitrage, liquidation, and sandwich behavior, plus the limits of private transaction routes.

Inspect contract identity, token URIs, content addressing, storage persistence, and the limits of ownership claims.

Turn architecture and economic claims into questions about assumptions, implementation, incentives, and failure cases.
Worked examples, verification steps and the limits of each tool.
Understand inputs, change, coin selection, and the cost of spending many small receipts.
Separate broadcast, inclusion, confirmation depth, and service crediting when receiving a payment.
Learn fee rates, virtual size, input count, and the difference between accelerating and refunding.
Distinguish validation, mining, wallet signing, and storage when deciding what a node accomplishes.
Compare service balances, self-custody, hardware signers, and recovery responsibilities.
Connect proof of work, validation, pool shares, and operating economics without confusing their roles.
Read the assumptions before drawing a conclusion.
Read account behavior without confusing a wallet application, an address, and the authority behind it.
Calculate a hypothetical fee and learn why a reverted transaction can still cost ETH.
Understand head, justified and finalized checkpoints, and why application receipts can arrive before finality.
Learn what deployed code guarantees, what it cannot know, and how upgrades change the trust picture.
Separate allowances, signatures, transfers, and website connections when controlling token access.
Trace who can create units and distinguish a contract supply field from a market-data estimate.