-   Home
-   [Style Guide](/style-guide)
-   [Contributors](/contributors)
-   [Target Audience](/target-audience)
-   [Project History](/project-history)
-   Protocol
    -   Blockchain
	    -   [Hash](/protocol/blockchain/hash)
	    -   Transaction
		    -   Transaction Input
			    -   Unlocking Script
		    -   Transaction Output
			    -   Locking Script
	    -   [Block](/protocol/blockchain/block)
		    -   [Header](/protocol/blockchain/block/block-header)
	    -   Transactions
		    -   Legacy Transaction Ordering
		    -   Canonical Transaction Ordering (CTOR)
	    -   Merkle Tree
		    -   Merkle Root
		    -   Partial Merkle Tree
	    -   Script
		    -   Opcodes
			       ...
	    -   Script Execution
		    -   Stack
	    -   Transaction Validation
		    -   Block Level Validation Rules
		    -   Network Level Validation Rules
			    -   Standardness Rules
				    -   Custom / Non Standard
	    -   Cryptography
		    -   Secp256k1
			    -   Public Key
				    -   Compressed
				    -   Uncompressed
			    -   Private Key
		    -   Signatures
			    -   ECDSA
			    -   Schnorr
			    -   DER Encoding
				    -   (OpenSSL History?)
			    -   N-of-M Multisig Signatures
	    -   Bitcoin Address
		    -   Pay To Public Key
			-   Pay To Public Key Hash
		    -   Pay To Script Hash
		    -   Encodings
			    -   Legacy (Base 58)
			    -   Bech32
			    -   Cash Address
	    -   Proof of Work
		    -   Difficulty Adjustment Algorithm
			    -   Legacy DAA
			    -   Emergency DAA
			    -   BCH Adaptive DAA
	-   Mining
		-   Stratum Protocol
	    -   Mining Pools
	-   Forks
	    -   Bip-16
		-   [Bip-34](/protocol/forks/bip-0034)
		-   [Bip-37](/protocol/forks/bip-0037)
		-   [Bip-64](/protocol/forks/bip-0064)
		-   Bip-65
		-   Bip-66
		-   Bip-68
		-   Bip-112
		-   Bip-113
		-   [Bip-157](/protocol/forks/bip-0157)
		-   [Bip-158](/protocol/forks/bip-0158)
		-   [Bip-159](/protocol/forks/bip-0159)
		-   BCH UAHF (BUIP-55)
		-   HF20171113
		-   HF20180515
		-   HF20181115
		-   HF20190515
		-   HF20191115
	-   Peer-to-Peer Network
		-   [Messages](/protocol/network/messages)
			-   [Handshake: Version (“version”)](/protocol/network/messages/version)
			-   [Handshake: Acknowledge Version ("verack”)](/protocol/network/messages/verack)
			-   ping
			-   pong
			-   addr
			-   getblocks
			-   inv
			-   mempool
			-   getheaders
			-   headers
			-   getdata
			-   block
			-   tx
			-   merkleblock
			-   notfound
			-   reject
			-   sendheaders
			-   feefilter
			-   getaddr
			-   filterload
			-   filteradd
			-   filterclear
		-   Non-Standard P2P Messages
			-   sendcmpct
			-   get_xthin
			-   xthinblock
			-   thinblock
			-   get_xblocktx
			-   xblocktx
    -   Simple Payment Verification (SPV)
	    -   Bloom Filters
    -   Simple Ledger Protocol
    -   Cash Address
    -   Miscellaneous
	    - “Bitcoin Sign Message”
	    - [Endian](/protocol/misc/endian)
		    - [Little](/protocol/misc/endian/little)
		    - [Big](/protocol/misc/endian/big)
   -   History
	   - Bips
	   - Protocol Version