Useful resources

Hand picked links, checked working. No endorsements.

Best Bitcoin booksRead the whitepaper online

Block explorers

mempool.space
Transactions, blocks and live fee estimatesBlockstream Explorer
Simple block explorer

Official wallet sites

Trezor
Hardware walletLedger
Hardware walletColdcard
Bitcoin-only hardware walletBitBox
Hardware walletFoundation
Passport hardware walletSparrow Wallet
Desktop walletElectrum
Desktop walletBlueWallet
Mobile wallet

Original sources

Bitcoin whitepaper (PDF)
Satoshi Nakamoto, 2008bitcoin.org
Intro and wallet guides

Price and network stats

CoinGecko: Bitcoin
Price and market dataTimechain Stats
Network stats dashboardmempool.space fees
Live fee rates

News and learning

Bitcoin Optech
Technical newsletterLearn Me A Bitcoin
Clear technical explainersMastering Bitcoin (free book)
Open source book

UK safety

FCA ScamSmart
Check before you investFCA crypto basics
Risks explainedAction Fraud
Report fraud

Not financial advice. This page is general education only. Bitcoin prices can swing hard. Never put in more than you can afford to lose, and do your own research.