hard20 pts · first answer countstoken-standardssmart-contract-security

Which way to round in a vault

In an ERC-4626 vault, which rounding rules keep the vault safe?

A.Always round up, so users get the benefitB.Round in favour of the vault: shares minted on deposit round down, and shares burned on withdraw round upC.Always round to the nearest whole numberD.Rounding does not matter, because each error is under 1 wei

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