Crypto and the Bitcoin network

52,078 daily observations of 9 Bitcoin network metrics over 6,456 days from the genesis block (3 January 2009) to 2026-09-06, from the mempool.space mining API: average network hashrate (H/s), difficulty at every retarget, average fees and total reward per block (satoshis), average block size (bytes) and weight (weight units), and the 10th-percentile, median and 90th-percentile transaction fee rates (sat/vB) of mined blocks. Long format (date, metric, value).

Five years of daily OHLCV bars for the 250 largest cryptocurrencies by market cap as of build date — Bitcoin, Ethereum, Tether, BNB, XRP, Solana, USDC and 243 others. 426,989 daily bars as a single gzipped CSV — one row per (symbol, date), sorted by symbol then date ascending. Date range covers the 2020 bull, 2022 bear, 2024 BTC ETF approval, 2025 cycle peak. Read with pandas.readcsv(path, compression='gzip', parsedates=['date']) or duckdb.readcsv('cryptoohlcv_5y.csv.gz'). Bedrock dataset for: crypto strategy backtesting, regime detection, BTC dominance studies, alt-season identification, vol-of-vol analysis, training ML models on cycles 2020-2025.