Implementing stock splits for ERC-20 RWA tokens without looping over holders

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I wrote up an implementation pattern for tokenized assets that need stock split / reverse split behavior. The core idea is to store raw balances and raw allowances, then expose balanceOf, allowance, and totalSupply through a global split multiplier. The tricky parts are exact raw/displayed conversion, rounding, Transfer event semantics, stale permits, and keeping split updates O(1). Would be interested in feedback on the allowance and rounding model: https://blog.researchzero.io/post/implementing-a-split-multiplier-for-rwa-tokens-in-solidity/   submitted by   /u/researchzero [link]   [comments]