In crypto, you need price oracles to run defi-type apps - A…

In crypto, you need price oracles to run defi-type apps - AMMs, DEX etc. Hence chainlink for eth and pyth for sol

In bitcoin, you can use the difficulty target as a proxy for price. The difficulty is inherent within bitcoin, so no price oracles are needed. This allows you to build defi-type apps not reliant on trusted third parties.