Bitcoin (Wikipedia)
Bitcoin Core (Wikipedia)
Bitcoin Core official site
Bitcoin Core (Download)
Bitcoin-dev mailing list
Bitcoin Forum (Bitcointalk)
Bitcoin Forum (Bitcointalk) Development & Technical Discussion
Bitcoin at Reddit
Bitcoin Wiki
Bitcoin original paper from Satoshi Nakamoto:
Bitcoin: A Peer-to-Peer Electronic Cash System
Bitcoin transations are hashed in a Merkle tree:
Merkle tree - Wikipedia
Bitcoin scalability (Paper):
http://fc16.ifca.ai/bitcoin/papers/CDE+16.pdf
Bitcoin Resources
Lightning Network Resources
Format of a transaction:
https://en.bitcoin.it/wiki/Transaction
https://en.bitcoin.it/wiki/Raw_Transactions
Bitcoin protocol:
https://en.bitcoin.it/wiki/Protocol_documentation
Bitcoin mining the hard way: the algorithms, protocols, and bytes
Bitcoins the hard way: Using the raw Bitcoin protocol
Bitcoin Core RPC
Proof of Work vs Proof of Stake
Nothing is Cheaper than Proof of Work
On Stake and Consensus (Andrew Poelstra)
Statistics and Block explorers
Statistics about Cryptocurrencies
Top 100 Richest Bitcoin Addresses and Bitcoin Distribution
https://blockstream.info
IRC Channels
#bitcoin, #bitcoin-core-dev and #bitcoin-wizards at irc.freenode.net
Channel logs:
https://botbot.me/freenode/bitcoin-core-dev/
https://botbot.me/freenode/bitcoin-wizards/
List of IRC channels (Bitcoin Wiki)
Fee estimation
https://estimatefee.com/
https://bitcoinfees.21.co/
https://jochen-hoenicke.de/queue/#1,1w
Other
How to run a Bitcoin node in Debian
How to encrypt and decrypt your Bitcoin wallet
How to build BitcoinCore from sources in Debian
How to create a Bitcoin raw transaction using bitcoind
bitcoind: How to create a wallet with no private keys
Sidechains paper:
https://blockstream.com/sidechains.pdf
Software related to Bitcoin:
https://en.bitcoin.it/wiki/Software
Resources for Lightning Network developers:
http://dev.lightning.community/resources/
Bitcoin development
How Can I Contribute?
How to contribute code to Bitcoin Core
Bitcoin related repositories in Github
Bitcoin open issues
Bitcoin pull requests
Bitcoin-dev mailing list
Documentation for Bitcoin protocol
Bitcoin Improvement Proposals (BIP)
Bitcoin privacy
https://en.bitcoin.it/wiki/Privacy
https://en.bitcoin.it/wiki/CoinJoin
Bitcoin Anonymity Guide 2019: How to use BTC like a straight up G
Privacy and Cryptocurrency, Part I: How Private is Bitcoin?
https://en.bitcoin.it/wiki/JoinMarket
https://en.bitcoin.it/wiki/PayJoin