use cases and tokenomics are certainly worth looking into. 

They have 2,300+ partnerships and they secure every corner of finance from Legacy Banks to DeFi applications with their reliable oracles and smart contracts. Node operators are paid with the $link token and stakers of Chainlink earn a percentage of yield from the value accrued by their integrations. Pretty good system. 

Their use cases are vast and essentially unlimited. Take a look at their use cases on the websites attached to this @chainlink post:
#link