The bitcoin platform displays various details about the Bitcoin network.
If you have an online wallet from Blockchain.info the sensor is capable to show your current balance.
To add the Bitcoin sensor to your installation, add a selection of the available display options to your configuration.yaml file:
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# Example configuration.yaml entrysensor:platform:bitcoinwallet:'YOURWALLET_ID'password:YOUR_ACCOUNT_PASSWORDcurrency:YOUR CURRENCYdisplay_options:-exchangerate-trade_volume_btc-miners_revenue_usd-btc_mined-trade_volume_usd-difficulty-minutes_between_blocks-number_of_transactions-hash_rate-timestamp-mined_blocks-blocks_size-total_fees_btc-total_btc_sent-estimated_btc_sent-total_btc-total_blocks-next_retarget-estimated_transaction_volume_usd-miners_revenue_btc-market_price_usd