
Ethereum DeFi costs: gas, approvals, and the full Layer 2 journey
Learn to distinguish gas units, gas price, trading fees, and cross-network costs with clearly labeled hypothetical examples.
The DeFihi Lab
Ten in-depth guides. Real questions. Clear explanations.
Find your next way into decentralized finance.
The Lab is the long-form reading room at DeFihi.com. Explore ten guides on assets, networks, swaps, staking, and the questions that sit between them. Start with foundations, choose a network, then follow the mechanics you want to understand.
Examples are hypothetical, sources are identified, and limitations stay visible. This is an educational library, not a live market feed, trading desk, or list of recommended assets. Each guide connects back to the relevant topic hub so you can move between the overview and the details.

Learn to distinguish gas units, gas price, trading fees, and cross-network costs with clearly labeled hypothetical examples.

Compare a simple liquidity position with holding the same assets, then separate trading fees, price divergence, and concentrated-liquidity risks.

Separate network staking from lending and incentives, compare APR with APY, and include token price, fees, and withdrawal conditions.

Separate wallet connections from spending permissions, inspect signature requests, and prepare an incident plan without exposing recovery secrets.

Build a repeatable trading workflow around asset identity, route selection, cost estimates, and a deliberate decision not to trade.

Understand SOL, token identities, transaction status, and native staking accounts before exploring Solana applications.

Evaluate a stablecoin’s target separately from its backing, redemption rights, market liquidity, bridge dependencies, and application exposure.

Use a worked example to separate price impact from slippage tolerance and understand what a minimum-received setting actually protects.

Follow the path from native Bitcoin to a DeFi position, and separate BTC price exposure from custody, bridge, and redemption assumptions.

Native coins, stablecoins, governance tokens, and receipt tokens do different jobs. Learn to trace the asset, its claim, and its exit.