Deprecated contracts still holding value

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

Evidence summary #

TBILL v1 vault (0xad6250f0BD49F7a1eB11063af2cE9F25B9597b0F) is deprecated (Etherscan labels 'Old Contract', 0 transfers in 24h, 28 residual holders). Direct balance check 2026-05-16: ETH = $0; token holdings ~$274 total (25.60 LINK + 26 USDC). Well below the $100K threshold. Migration to v2 vault (0xdd50C053) is effectively complete. Score green.

Sources #

URL
OpenEden — TBILL Vault Migration (v1 deprecated Nov 2023)Migration announcement confirming v1 is deprecated and users migrated to v2retrieved 2026-05-16
Etherscan
Etherscan — TBILL v1 deprecated vault balance0xad6250f0BD49F7a1eB11063af2cE9F25B9597b0F — ETH $0, token holdings ~$274, 28 holders, 0 transfers/24hretrieved 2026-05-16

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 openeden factor RD-F-166 score green collected_at 2026-05-16 10:11:45