February 12, 2026

Capitalizations Index – B ∞/21M

How bitcoin transactions are verified by miners

How Bitcoin Transactions Are Verified by Miners

Miners verify bitcoin transactions by validating digital signatures, checking inputs aren’t spent, assembling transactions into blocks, and solving a proof-of-work puzzle. Successful miners add blocks to the blockchain.

When was bitcoin created? Origins in 2008-2009

When Was Bitcoin Created? Origins in 2008-2009

bitcoin emerged in late 2008 when Satoshi Nakamoto published a white paper; its network launched with the first block (genesis) mined on January 3, 2009, marking the start of decentralized cryptocurrency.

Why bitcoin uses so much energy: mining explained

Why Bitcoin Uses So Much Energy: Mining Explained

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.