Deprecated contracts still holding value

Lido's assessment for RD-F-166 — scored yellow on the v1.7.0 rubric. The evidence below is the curator's reasoning for this score.

Evidence summary #

Lido on Solana (stSOL): deprecated Oct 2023; frontend closed Feb 2024. Withdrawal split function bug trapped ~$24M stSOL. P2P Validator deployed CLI fix April 2024 (partial remediation). Current residual stSOL supply unconfirmed.

Sources #

URL
Lido on Solana SunsetLido on Solana sunset blogretrieved 2026-04-28
URL
P2P stSOL Fix April 2024P2P fix for stSOLretrieved 2026-04-28
URL
https://web.archive.org/web/2024*/cointelegraph.com/news/24-million-staked-sol-stuck-lido-smart-contract-bugretrieved 2026-05-06

Methodology #

Determine whether contracts marked deprecated by a protocol announcement still hold >$100K in assets.

See the full factor methodology and distribution across all protocols →

rubric_version v1.7.0 protocol lido factor RD-F-166 score yellow collected_at 2026-04-28 13:58:42