Technology
How Long Does It Take to Mine a Bitcoin?
How long it takes to mine a bitcoin depends on your share of the network's computing power. Learn the math, why pools exist and why cloud mining is risky.
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Technology
Could Quantum Computers Break Bitcoin? An Honest Explainer
A large enough quantum computer could in theory forge Bitcoin signatures, but none can today. See what is at risk, what is not, and what could be done.
Technology
How Many Bitcoin Are Left to Mine? The 21 Million Cap Explained
Bitcoin's supply is capped just under 21 million. See how halvings produce the cap, why circulating supply differs by source, and what happens in 2140.
Technology
Bitcoin Fees Explained: Exchange Fees vs Network Fees
Buying and sending bitcoin involves two kinds of fees: what an exchange charges and what the network charges. Learn how each works and how to keep costs down.
Technology
Bitcoin vs Ethereum: Key Differences Explained
Bitcoin and Ethereum are different networks built for different jobs. Compare their purpose, supply, consensus, smart contracts and uses.
Technology
Proof of Work vs Proof of Stake: What's the Difference?
Proof of work and proof of stake are two ways a blockchain reaches agreement. Here is how each works, what each costs and the trade-offs.
Technology
What Is the Bitcoin Halving? Dates, History and What It Changes
The Bitcoin halving cuts the miner reward in half every 210,000 blocks. Learn the four halvings so far, why they exist and what they do and don't change.
Technology
What Is a Bitcoin Address? Types, Reuse and Safety
A bitcoin address is what you share to receive bitcoin. Learn the four formats, why to use a fresh one each time, and how to avoid address-swapping malware.
Technology
How Does Bitcoin Work? Blocks, Miners and Keys Explained
A plain-English walkthrough of transactions, the blockchain, mining and private keys, and how they let strangers agree on who owns what.
Technology
Inside a Bitcoin Mining Operation
What Bitcoin miners actually do, how proof of work and ASICs function, why mining uses so much energy, and how halvings change the economics.
Technology
What Is the Lightning Network?
The Lightning Network is a second layer on top of Bitcoin built for fast, small payments. Here is how payment channels work and where the trade-offs are.