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How Bitcoin actually works

Everything you read in a FreeBTC round, explained without jargon. Learn it once and every block will make sense.

01What Is a Bitcoin Block? Structure, Reward and HeightWhat is a Bitcoin block? Learn what a block contains, how miners create one, and what block height, the block reward and confirmations really mean.4 min read02Bitcoin Block Time: Why 10 Minutes Is Only an AverageBitcoin block time averages 10 minutes, but each block is random. See why about 63% arrive in under 10 minutes and why a long wait never makes a block due.4 min read03Bitcoin Mempool Explained: Fees, Queues and BlocksWhat is the Bitcoin mempool? Learn how unconfirmed transactions wait for a block, how fee rates in sat/vB are set, and why the median fee changes per block.4 min read04Bitcoin Difficulty: How the Adjustment WorksBitcoin difficulty explained: what the target is, how the network retargets every 2,016 blocks to keep 10-minute blocks, and why the change is capped at 4x.4 min read05Bitcoin Mining Pools: How They Work and Who MinesHow Bitcoin mining pools work: shares, payout schemes like PPS, FPPS and PPLNS, how explorers tell which pool mined a block, and why pool share swings daily.4 min read06Bitcoin Halving: Dates, History and Next HalvingThe Bitcoin halving cuts the block subsidy in half every 210,000 blocks. See past halving dates, why supply is capped at 21 million and when the next is due.4 min read07Satoshis (Sats): Bitcoin's Smallest Unit ExplainedWhat is a satoshi? One sat is 0.00000001 BTC, Bitcoin's smallest unit. Learn the conversions, how fees in sat/vB work and why people count in sats.4 min read08Solo Bitcoin Mining: Odds, Hardware and RealitySolo Bitcoin mining explained: how it differs from pool mining, the real odds of finding a block at today’s hashrate, and why it is a lottery, not an income.4 min read09Bitaxe: The Open-Source Solo Bitcoin Miner ExplainedWhat a Bitaxe is, how much hashrate it has, what it costs to run and your real odds of finding a Bitcoin block solo with one. A plain-English guide.4 min read