Bitcoin Academy
The First Bitcoin Halving (2012): What Happened?
Bitcoin's first halving on November 28, 2012 cut the block reward from 50 to 25 BTC right on…
Bitcoin Academy
Bitcoin Academy
Bitcoin’s First Years: 2009-2012 Timeline
Bitcoin's first years (2009-2012) took it from a zero-value cryptography experiment to a modest, traded asset: the first…
Bitcoin Academy
Bitcoin’s Origins: The 2008 Financial Crisis and the Whitepaper
Bitcoin's whitepaper was published in October 2008 amid the global financial crisis, proposing a peer-to-peer electronic cash system…
Bitcoin Academy
What Is Network Propagation? How Blocks Spread Across Bitcoin
Network propagation is how new blocks and transactions spread node-to-node across Bitcoin's peer-to-peer network, with faster propagation directly…
Bitcoin Academy
How Does Bitcoin Achieve Finality Without a Central Authority?
Bitcoin achieves probabilistic finality rather than absolute finality: each additional confirmation makes reversing a transaction exponentially more expensive,…
Bitcoin Academy
What Is Energy Consumption in Bitcoin Mining?
Bitcoin mining's large electricity use is a direct consequence of tying Proof of Work security to real energy…
Bitcoin Academy
What Is Bitcoin’s Nonce? How Miners Find It
A nonce is the number miners repeatedly change in a block header while searching for a hash that…
Bitcoin Academy
What Is the Coinbase Transaction in a Bitcoin Block?
A coinbase transaction is the special first transaction in every Bitcoin block, created by the mining winner to…
Bitcoin Academy
What Is a Bitcoin Checkpoint?
A checkpoint was a hard-coded block hash in early Bitcoin software marking history as permanently settled, added as…
Bitcoin Academy
What Is Stratum? The Mining Pool Protocol Explained
Stratum is the lightweight protocol connecting mining hardware to pool servers, distributing work templates and collecting submitted shares…