Ruby script that scrapes https://btc.com/stats/diff and produces a CSV file.

Each line of this file has the following columns:

• block_height: block height (aka number)
• block_timestamp: when this block was mined
• difficulty_absolute: absolute value of difficulty
• difficulty_change_percentage: difficulty change in percentage
• bits: difficulty represented as bits
• time_between_blocks: average time between blocks for last 2016 blocks
• hashrate_pretty: easy to read hashrate value
• hashrate_units: hashrate absolute value
• difficulty_abs_change: absolute change in difficulty
• hashrate_u_abs_change: absolute change in hashrate

Install necessary gem:

gem install nokogiri

Run script:

./scrape.rb > export.csv

Google sheet (as of August 23, 2023):

https://docs.google.com/spreadsheets/d/1-bkLvQFz3dUvDmf_EuNip0BUzPklwUippvlgyqALp1Q/edit?usp=sharing