medium10 pts · first answer countsgas-optimisationevm-fundamentals

Transient storage locks

Why is a reentrancy lock built on transient storage (EIP-1153, TSTORE/TLOAD) cheaper than one in normal storage?

A.Transient storage is kept in the contract bytecodeB.Transient values are cleared at the end of the transaction, so they cost about as little as warm storage and never pay full storage write pricesC.Transient storage is free because validators do not charge for itD.Transient storage lasts until the next block, so the lock is shared by many users

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Transient storage locks

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