🔒 Wallets & Storage
Official Bitcoin.org Wallets:
https://bitcoin.org/en/choose-your-wallet
Exodus Wallet:
https://www.exodus.com/
Electrum (Desktop):
https://electrum.org/
Samourai Wallet (Privacy-focused, Android):
https://samouraiwallet.com/
Ledger Hardware Wallet (Cold Storage):
https://www.ledger.com/
Trezor Hardware Wallet (Cold Storage):
https://trezor.io/

🔁 Exchanges (Buy/Sell/Deposit)
Coinbase:
https://www.coinbase.com/
Kraken:
https://www.kraken.com/
Gemini:
https://www.gemini.com/
Binance (International):
https://www.binance.com/
Cash App (USA, easy BTC deposits):
https://cash.app/bitcoin

👀 Blockchain Explorers (Track Deposits/Transactions)
Blockchain.com Explorer:
https://www.blockchain.com/explorer
Mempool.space:
https://mempool.space/
Blockstream.info:
https://blockstream.info/

🛡️ Security & Scam Prevention
Bitcoin Security Guide:
https://bitcoin.org/en/secure-your-wallet
How to Spot Bitcoin Scams (BTC.com):
https://blog.btc.com/how-to-spot-bitcoin-scams/
Have I Been Pwned (Check for breached emails):
https://haveibeenpwned.com/

🧠 Learning & Education
Bitcoin Whitepaper (Official):
https://bitcoin.org/bitcoin.pdf
Bitcoin Wiki:
https://en.bitcoin.it/wiki/Main_Page
Swan Bitcoin Academy:
https://www.swanbitcoin.com/academy/
Lopp.net Resources:
https://www.lopp.net/bitcoin.html
River Learn (Simple Bitcoin Guides):
https://river.com/learn/

⚡ Lightning Network (Fast, cheap transactions)
Wallet of Satoshi:
https://www.walletofsatoshi.com/
Phoenix Wallet:
https://phoenix.acinq.co/
Lightning Network Explorer:
https://1ml.com/

💬 Communities & News
r/Bitcoin (Reddit):
https://www.reddit.com/r/Bitcoin/
BitcoinTalk Forum:
https://bitcointalk.org/
Bitcoin Magazine:
https://bitcoinmagazine.com/
Stack Exchange (Bitcoin Q&A):
https://bitcoin.stackexchange.com/

🛠️ Tools & Calculators
BTC Fees (Estimate transaction fees):
https://btcfees.net/
CoinGecko (BTC price tracker):
https://www.coingecko.com/en/coins/bitcoin
Bitref (Check balance by address):
https://bitref.com/
Buy Bitcoin Near You (ATMs):
https://coinatmradar.com/

📑 Official and Must-Read Docs
Bitcoin Core (Official client):
https://bitcoincore.org/en/download/
Open Source BTC Projects:
https://github.com/bitcoin/bitcoin