A blockchain cannot see outside itself, so every protocol that needs a price, a rate or a risk parameter has to trust something that can. This category covers how that trust is structured.
The current article traces the move from plain price feeds to a unified risk layer with protocol-owned risk oracles. Oracle security also comes up throughout the DeFi and blockchain categories.
3 posts
Hyperliquid's oracle is a stake-weighted median of validator medians, published every three seconds. Which price drives funding, margin and liquidation.
2026, Sep 02 —
Why DeFi needs a unified risk layer above the price oracle stack, how Aave evolved from governance to risk oracles, and how protocol-owned risk infrastructure prices Pendle PT tokens.
2026, Jul 02 —
This article presents the reasoning to build a blockchain oracle providing external information (e.g. price of an asset) to a smart contract.
2024, Apr 16 —
