
[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”]
SHA-256 secures bitcoin by hashing transactions into fixed-length outputs, powering mining, block creation, and proof-of-work, and making data tampering computationally impractical.