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I am currently thinking of doing a research project on Bitcoins. But I want to download the list of all transactions of bitcoins. I was wondering what are the ways to do this? I believe, I can scrape if I'm not wrong but is there a better and a faster way to do this?
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The list of all transactions is the blockchain. The fastest way to get the blockchain is to run a full node which will download the blockchain for you and provide ways for you to access the data stored within the blockchain.
You can use Bitcoin Core and enable the transaction index so that you can get all transaction information. The transaction index is enabled by adding txindex=1 to your bitcoin.conf file.
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If you're looking for all BTC balances, this github repository looks useful. It would likely crash due to memory issues, but could show you all transactions using the "transactions" argument. https://github.com/znort987/blockparser
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There is a new tool by a Princeton research group that does exactly this: https://github.com/citp/BlockSci
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Download the bitcoin core bootstrap.dat
Most downloads are compressed to save on download time.
Update: Here's the torrents. https://getbitcoinblockchain.com/
The bootstrap.dat download method was deprecated around the release of Bitcoin Core 0.10 in february 2015. – Pieter Wuille – 2018-03-24T20:50:07.410
How do you recommend I run a full node? I am sorry, I am completely new to blockchain/bitcoin etc. I do know Python well though so any guidance would be appreciated – bawa – 2018-02-23T10:56:18.427
Downloaded bitcoin core. Downloading all the transactions. Could you actually guide me, how I could import all of it (once its downloaded) into a sort of a csv file or maybe in a data frame in python? – bawa – 2018-02-23T11:09:14.613
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You can use the JSON-RPC interface to connect to Bitcoin Core and send commands that fetch the blockchain data for you. Then you can put that into whatever format you want and handle it however you want. This library may be helpful to you: https://github.com/jgarzik/python-bitcoinrpc
– Andrew Chow – 2018-02-23T15:57:10.650