Hacker Noon February 20, 2020
A blockchain cannot take care of all the information it handles. It should focus on its core capability blockchain and not about providing different data options.
As we build more and more applications with blockchain, we need more advanced data to satisfy our use cases. This need for more advanced data sparked a new industry of blockchain data.
This industry of providing advanced blockchain data via APIs got fueled by the need for interoperability. Nowadays, there is still not much interoperability between chains. However, interoperability can be reached on the second layer via blockchain API data.
Imagine a gambling contract on Ethereum written in Solidity. The gambling contract picks a winner who receives a sum of $100 in Bitcoin....
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