EIP-7519 - Atomic Storage Operations - SCREDIT and SDEBIT

Discussion of SCREDIT and SDEBIT operations. And possibly concurrent friendly operations in general.

EIP-7519 Abstract

Two new opcodes that atomically mutate smart contract storage are proposed:
SCREDIT, which increments a storage slot by a specified value, and SDEBIT, which
decrements a storage slot by a specified value. Overflow and underflow errors
are enforced, reverting when an unsigned 256-bit integer would overflow or

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