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62 - Storage

Storage is a 256-bit to 256-bit key-value store.

Unlike memory, which is volatile, storage is non-volatile and is maintained as part of the system state.

All locations are well-defined initially as zero.

This is accessed with SLOAD/SSTORE instructions.


Slide Screenshot

062.jpg


Slide Text

  • Non-Volatile (Persistent)
  • Key-Value Store
  • 256-bit <-> 256 bits
  • Zero initialized
  • storageRoot -> stateRoot
  • SLOAD/SSTORE