Questions tagged as 'blockchain'

Hi, I am new to node and I was wondering how I can consume a websockets service from node, os server-server, the second is an external server here the link: link , Thank you very much community for your answers.     

Could someone tell me how to solve the following error? thread '<unnamed>' panicked at 'called 'Option::unwrap()' on a 'None' value', /checkout/src/libcore/option.rs:335:20 note: Run with 'RUST_BACKTRACE=1' for a backtrace. failed to par...

I am new to blockchain.info and I want to know what each transaction data means, since it sends a JSON with this information when using the API of the page ( link ), this is the JSON with only one transaction: {"op": "utx", "x": { "lock_time"...