Yearn

What we monitor

• Indexer FreshnessEnvio indexer lag per chain; alerts the Envio channel when a chain's newest indexed block is older than 60 minutes or the GraphQL endpoint is down
• Lender-Borrower RiskAll configured lender-borrower strategies: collateral and borrow-token prices plus LTV/liquidation risk every 30m; lender and borrow APR availability, 24h net spread, and debt coverage every 6h; alerts go to the internal Yearn maintenance chat
• Large FlowsDeposit/withdrawal flows >=$500k USD (Katana withdrawals >=$50k; or 10% of vault totalSupply fallback for unpriced tokens)
• Small Parent Vault FlowsDeposits and withdrawals with a raw ERC-4626 assets value below 10,000 for non-retired Yearn v3 parent vaults; aggregated into one Telegram message per run and routed to the internal Yearn maintenance chat
• Timelock DelayYearn TimelockController getMinDelay() < 7 days across Mainnet, Base, Arbitrum, Polygon, Optimism, Katana
• Timelock EventsYearn TimelockController events via Envio
• Safe MultisigsYearn multisig queues (yChad, Strategist, SAM, Curation) and unexpected-proposer escalation

Alerts are also streamed toTelegramin real time.