
Money & Economics
Bitcoin-Backed Loans and Mortgages: How They Work and What Can Go Wrong
A bitcoin-backed loan lets you borrow against coins you keep owning. Learn about collateral, margin calls, liquidation, custody risk and what to ask a lender.
Editorial & research

Money & Economics
A bitcoin-backed loan lets you borrow against coins you keep owning. Learn about collateral, margin calls, liquidation, custody risk and what to ask a lender.

Technology
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.

Money & Economics
A store of value keeps its purchasing power over time. See how Bitcoin and gold compare on durability, scarcity and stability, and where the case is unproven.

Technology
Bitcoin and Ethereum are different networks built for different jobs. Compare their purpose, supply, consensus, smart contracts and uses.

Technology
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
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.

Security
Is Bitcoin safe? The network has held up, but exchange failure, user error, scams, volatility and tax risk are real. Here is how to separate them.

Security
How a bitcoin ATM works, why the fees are usually higher than at an exchange, and the scam where a caller tells you to deposit cash. What to do if it happens.

Bitcoin Basics
Satoshi Nakamoto is the pseudonym of Bitcoin's creator. Here are the documented facts, the open questions and why the missing identity matters so little.

Technology
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.

Security
A seed phrase is a list of 12 or 24 words that can rebuild your wallet's keys. Learn what it restores, how to store it offline, and how to test recovery.

Security
A bitcoin wallet stores keys, not coins. Compare custodial and non-custodial, hot and cold, software and hardware wallets, and use a checklist to choose.