How do I query Blockchain bitcoin locally?

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I downloaded a 100+ GB file of the complete Blockchain to my computer with the download of the bitcoin core wallet. I would like to query against it locally using preferably Node.js. How do I do it?

Apr 19, 2018 in Blockchain by nsv999
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You could use json RPC provided by bitcoin core. And the call http calls via node.js.

Like in the following document:

https://en.bitcoin.it/wiki/API_reference_(JSON-RPC)#Node.js

answered Apr 19, 2018 by Christine
• 15,790 points

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