I have a large CSV file with strings, each one is a Bitcoin address. For each of these addresses, I need to know its final balance. Using an external API would be problematic, since its calls are limited, and my file has millions of strings. Therefore, it would be best to download the blockchain and query it locally. You can assume that Bitcoin Core is already installed.
Eventually, I need to know the balance for each address, i.e. next to each address I will have its balance in BTC. No need to present an address for which the balance is 0.
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Hello, dear I have experienced in management about btc transactions and balance So I can do your job. Hoping to contact with you and discuss further. best regards