defirisk.co
rubric v1.7.0

Storage-layout collision risk across upgrades

Orca's assessment for RD-F-142 — scored not_applicable on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Solana BPF programs use account-based state with Anchor discriminators — there is no Solidity storage-slot model. Storage layout collision between upgrade versions is not a risk class on Solana. N/A by architecture.

Sources #

  • Internal
    SOLANA_GOVERNANCE.md — Solana architecture N/ASOLANA_GOVERNANCE.md — BPFLoaderUpgradeable account-based state model; no storage-slot collision conceptretrieved 2026-05-16

Methodology #

Determine whether the OZ upgrades-plugin or manual review flags a storage-layout collision risk between implementation versions.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol orca factor RD-F-142 score not_applicable collected_at 2026-05-16 02:39:16