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low SHARE_COUNT_MISREAD_RISK

LMT: reading balanceOf() as shares understates by 0.0021% (multiplier 1.000021051x)

read from LMT (0x329fcACEb9AD6F9580DD5F643fed0646900D043c) · methodology assay-rh-v0.4.0 · detected 2026-10-08T03:57:17.000Z
from the sweep at block 83015737, 10m ago

Who carries the exposure

Any integrator that presents LMT balanceOf() as a share count. The contract itself is behaving as ERC-8056 specifies and is not at fault.
The contract named above is what was READ. Naming it is not an accusation against it: a Stock Token that moves uiMultiplier() is doing what ERC-8056 specifies.

LMT reports uiMultiplier() = 1000021050802889793 (1.000021051), which is CORRECT AND SPEC-COMPLIANT behaviour under ERC-8056 — this finding is not a defect in the token contract. It records the exposure carried by a caller that reads balanceOf() as shares. Under ERC-8056 a corporate action moves the multiplier rather than balances, so balanceOf() returns tokens and share-equivalents = balance * uiMultiplier() / 1e18. A surface presenting the raw balance as a share count understates it by 0.0021% (the true count is 1.0000x the raw balance). Token value computed as balance * Chainlink feed price is unaffected, because the feed is already multiplier-adjusted.

Impact

0.0021% · how far a raw balanceOf() read as shares understates the true share count, as a share of the true count
totalSupply raw 469.9758 tokens vs 469.9856 share-equivalents (delta 0.0098). Presenting the raw balance as a share count understates by 0.0021%; equivalently the true count is 1.0000x the raw.

Evidence — 2/2 citations re-fetched and byte-compared

mismatched 0 · pruned 0 · verified 2026-10-08T03:57:21.919Z
uiMultiplier() == 1000021050802889793
chain 4663 · block 83016200 · uiMultiplier()
0x329fcACEb9AD6F9580DD5F643fed0646900D043c
0x0000000000000000000000000000000000000000000000000de0c9d8ed04e441
totalSupply() == 469975806600000000000
chain 4663 · block 83016200 · totalSupply()
0x329fcACEb9AD6F9580DD5F643fed0646900D043c
0x0000000000000000000000000000000000000000000000197a397a106caf5000

Right of reply

No reply has been received for this finding. Anyone named here can have a response published verbatim and unedited alongside it. A finding shown to be wrong is corrected by changing the rule that produced it, with the notice recorded in the repository. Open a right-of-reply issue or see docs/RIGHT-OF-REPLY.md. Pre-publication notice is deliberately not claimed: the sweep publishes on a timer and for most findings the subject is a contract, not a person to notify.
LMT: reading balanceOf() as shares understates by 0.0021% (multiplier 1.000021051x) · ASSAY