Oracles enrich dApps by providing them with access to off-chain data, but they must be implemented correctly to avoid exploitation.

DeFi protocols are growing in the amount of on-chain value they secure, and as a result malicious adversaries are more financially incentivized to exploit any potential attack vectors. As warned about in our blogpost earlier this year The Importance of Data Quality for DeFi Smart Contracts, the largest vulnerability in DeFi are protocols reliant on price oracles with poor data quality.

Automated market maker-based decentralized exchanges alter how users swap crypto tokens. This article is a deep dive into how AMMs work.