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bitcoin

Bitcoin Mining Difficulty decreases 0.20% to 36.76t 📉

BTCMiner

Stats:

Difficulty:

- https://www.bitrawr.com/difficulty-estimator
- https://www.coinwarz.com/mining/bitcoin/difficulty-chart
- https://bitcoinexplorer.org/difficulty-history
- https://insights.braiins.com/en/cost-to-mine/

Here's an article that has some general info about bitcoin mining difficulty. 

*Network Difficulty, Share Diffiaculty and Hash Functions*
https://hashrateindex.com/blog/crypto-mining-network-difficulty-share-difficulty-and-hash-functions

Hashrate:

- https://www.coinwarz.com/mining/bitcoin/hashrate-chart
- https://bitinfocharts.com/comparison/hashrate-btc-ema14.html#3y

ASIC Prices:

- https://data.hashrateindex.com/rig-index-data

A great tool to monitor the progress over the 2,016 block epoch is fork.lol's Difficulty Retarget chart:

- https://fork.lol/pow/retarget

And some great Dashboards, overall:

- https://timechainstats.com
- http://vaccaro.network:3838/bitcoin/#shiny-tab-bitcoin_pools_dashboard
- https://mempool.space/mining
- https://mempool.space/graphs/mining/pools-dominance
- https://lens.lincoin.com
- https://insights.braiins.com