
[wpr5_ebay kw=”bitcoin” num=”1″ ebcat=”” cid=”5338043562″ lang=”en-US” country=”0″ sort=”bestmatch”]
Capitalizations Index – B ∞/21M

[wpr5_ebay kw=”bitcoin” num=”1″ ebcat=”” cid=”5338043562″ lang=”en-US” country=”0″ sort=”bestmatch”]
[youtube https://www.youtube.com/watch?v=fjYMaQ7NPSc&w=640&h=360]
bitcoin transaction fees reward miners for including transactions in blocks. As block subsidies decline over time, these fees become crucial to sustain miner incentives and network security.
bitcoin’s high energy use stems from proof-of-work mining: specialized computers solve complex puzzles to validate transactions and secure the network, consuming large electricity to prevent fraud and control supply.