Storage-layout collision risk across upgrades

Raydium'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 Upgradeable Loader does not use EVM storage slots. Account state is stored in separate data accounts, not implementation storage. The EVM storage-layout collision risk pattern does not apply to Solana's account model. Anchor framework handles account discriminators separately.

Sources #

Docs
Solana Account Model — no EVM storage layout collision riskSolana BPF architecture — account model vs EVM storage slotsretrieved 2026-04-29

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 raydium factor RD-F-142 score not_applicable collected_at 2026-04-29 12:31:55