Subjectivity in Oracles

"Subjectivity in Oracles is a talk about defining truth when it comes to off chain information. A snippet: In an instant, hacks of financial protocols, or misunderstandings of the internal workings of a financial contract can lead to huge losses with often little recourse. Whether it’s traditional financial products that settled to LIBOR, traders who saw Crude go negative for the first time in history this year, defi protocols that learned the hard way not to use the current Uniswap price as an oracle, or a derivatives contract that liquidates unsuspecting hedgers, settlement price or oracle manipulation has been a thing long before Vitalik or flash loans. How your oracle is structured and the data you’re retrieving are crucial specifications when creating a robust financial product. The seemingly straightforward question of “what price do you use?” is anything but. The nuance involved in selecting the correct definition of what truth is with regard to your data has security implications which will affect every aspect of the products we build in Defi."