Permit2 Signatures vs Token Approvals: What Are You Authorising?
Understand token allowances, Permit2 signatures, spenders and deadlines. A gas-free signature can still authorise a token transfer.
CryptoToolDeck library
Understand token allowances, Permit2 signatures, spenders and deadlines. A gas-free signature can still authorise a token transfer.
Identify native and bridged USDC using the network and contract, not just a ticker. Check recipient support and understand burn-and-mint transfers.
Compare token rewards with a change in token price. Follow a worked example where a larger balance is worth less, before fees and staking risks.
Understand rebasing stETH and non-rebasing wstETH. Separate the conversion ratio, market price and withdrawal process without double-counting rewards.
Compare isolated and cross margin without assuming either is safe. Check shared collateral, auto margin top-ups and why a single-trade estimate is incomplete.