Index

[SYMBOL][A][B][C][D][E][F][G][H][I][J][K][L][M][N][O][P][Q][R][S][T][U][V][W][X]

SYMBOL

0-conf transaction

A

absolute time-locked output account-based systems ACTIVE state, 2^nd, 3^rd addition modulo n addresses reusing addr message alternative coins (alt-coins) anyone-can-spend ASCII characters atomic swaps, 2^nd

B

backups, of private keys, 2^nd password-encrypted, problems with password strength backward-compatible bandwidth saving waste of bank accounts base58check encoding scheme Base64 encoding scheme Bech32 encoding scheme best chain BIP9 to deploy relative lock time to deploy segwit BIP16, 2^nd, 3^rd BIP32 BIP34, 2^nd, 3^rd BIP37 BIP39 BIP44 BIP65, 2^nd BIP66, 2^nd, 3^rd BIP68 BIP112, 2^nd BIP113 BIP125 BIP130 BIP141 BIP143 BIP148 BIP152 BIP157 BIP158 BIP173 BIPs (Bitcoin Improvement Proposals), 2^nd, 3^rd Bitcoin for cross-border payments for savings for shopping limited supply of noncurrency uses overview of permissionless nature of, 2^nd speculation tokens, creating value of when not to use Bitcoin addresses. See cookie token addresses. Bitcoin Cash, 2^nd bitcoin-cli, 2^nd, 3^rd, 4^th Bitcoin Core, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th downloading private key public key getting, 2nd signing as trusted signature file downloading verifying verifying hash of downloaded file software unpacking and starting verifying bitcoind, 2^nd, 3^rd communicating with Bitcoin developers Bitcoin Improvement Proposals. See BIPs (Bitcoin Improvement Proposals). Bitcoin ledger Bitcoin network, 2^nd overview, 2^nd transactions in Bitcoin nodes. See nodes. bitcoin-qt, 2^nd Bitcoin services bit unit blockchain, 2^nd, 3^rd building block template creation publishing the block signing the block, 2nd transaction selection download, initial reasons for using storing stuff in bloated UTXO set overview blockchain explorer blockchain split, 2^nd, 3^rd block collisions Block header block headers, 2^nd block-header signature block height block ID, 2^nd, 3^rd, 4^th block messages, 2^nd block producers. See miners. block propagation block rate block rewards, 2^nd, 3^rd blocks bigger, slower nature of size of, limitations on subsidy of 0 block subsidy, 2^nd, 3^rd blocktxn message block version bits signaling block-version signaling block weight bloom filters, 2^nd, 3^rd, 4^th, 5^th creating problems with throttling privacy and data traffic using bootstrapping network connecting to nodes normal operation running the software synchronization branch strongest brute-force attack

C

censoring transactions censorship censorship-resistant transactions, 2^nd, 3^rd, 4^th central authority, 2^nd, 3^rd, 4^th centralized systems chain split strength strongest, 2^nd tip chain code chain reorganization (reorg) change checksum, 2^nd, 3^rd, 4^th child keys extended private key, deriving private key public key coinbase signaling coinbase transactions, 2^nd, 3^rd coin creation collision resistance compact blocks confirmations connectivity consensus rules, 2^nd, 3^rd contracts converted PKH cookie token addresses, 2^nd, 3^rd, 4^th cookie token spreadsheet cookie token wallet corporate users creating new addresses cross-border payments, 2^nd cryptocurrencies, other than Bitcoin, 2^nd cryptographic hashes functions, 2^nd, 3^rd, 4^th, 5^th properties of well-known how works overview usefulness of CT seed curl tool

D

daemons decentralized systems, 2^nd, 3^rd decryption, 2^nd DEFINED state deletes, protection from denial-of-service (DoS) attacks, 2^nd deployment mechanisms depth-first, 2^nd difficulty adjustment digests digital contracts digital signatures, 2^nd, 3^rd, 4^th, 5^th key pairs and overview preparation phase signing signing process uses of verification of verifying DNS (Domain Name System), 2^nd DoS (denial-of-service) attacks, 2^nd double SHA256 double spending, 2^nd, 3^rd, 4^th, 5^th

E

economic majority elliptic curves, 2^nd encoded signatures encrypted wallets backing up creating receiving money into sending money from encryption, 2^nd encryptwallet command end users entropy, 2^nd exchanges extended private key (xprv), 2^nd, 3^rd, 4^th, 5^th extended public key (xpub), 2^nd

F

FAILED state, 2^nd false positive match fee-bumping fee market fees, 2^nd, 3^rd, 4^th, 5^th, 6^th fiat currency, 2^nd, 3^rd fingerprints, 2^nd, 3^rd first-seen policy forgotten passwords, 2^nd FORKID type forks, 2^nd, 3^rd hard forks, 2^nd overview soft forks forward-compatible full nodes, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th mining vs. non-mining running own downloading Bitcoin Core initial blockchain download unpacking and starting software verifying software tests performed by

G

genesis block getaddr message getbalance command getblocktxn message getdata message, 2^nd, 3^rd getheaders message getrawtransaction command getwalletinfo command GnuPG (Gnu Privacy Guard), 2^nd, 3^rd gossip networks GUI (graphical user interface), 2^nd

H

handshake hardened xprv derivation hard forks, 2^nd, 3^rd, 4^th, 5^th, 6^th hardware wallets Hash Based Message Authentication Code (HMAC) hashes, 2^nd, 3^rd, 4^th, 5^th hash functions, 2^nd hashrate, 2^nd, 3^rd, 4^th, 5^th hash values, 2^nd HD wallets. See hierarchical deterministic (HD) wallets. headers message, 2^nd, 3^rd, 4^th help command hexadecimal (hex) encoding hierarchical deterministic (HD) wallets, 2^nd, 3^rd deriving child extended private key deriving master extended private key HMAC (Hash Based Message Authentication Code) HMAC-SHA512 cryptographic hash function hyperinflation

I

immature_balance implicit height imposters inbound connections index (idx) inflation, 2^nd initial blockchain download, 2^nd initialblockdownload field initial nodes inputs, 2^nd, 3^rd, 4^th invalid transactions inv message, 2^nd, 3^rd, 4^th, 5^th, 6^th IP (Internet Protocol) address

J

JSON (JavaScript Object Notation)

K

key-derivation function key generation key pairs digital signatures and reusing keys, 2^nd key servers kill message

L

leaves ledger length-extension attack Lightning Network, 2^nd lightweight wallets, 2^nd, 3^rd, 4^th, 5^th, 6^th notification security of limited supply of Bitcoin, 2^nd listtransactions command, 2^nd LOCKED_IN state, 2^nd, 3^rd, 4^th lock time lucky numbers drawing delayed resolution immediate resolution probability of splits split of split honest, forcing

M

malleability malleated transaction market capitalization (market cap) master extended private key, 2^nd master private key, 2^nd master xpub MD5 cryptographic hash function median time past, 2^nd memory pool (mempool) merkleblock messages, 2^nd, 3^rd merkle proof, 2^nd, 3^rd merkle root, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th merkle trees, 2^nd, 3^rd, 4^th handling thousands of transactions in a block overview partial creating verifying proving transaction is in a block miner-activated soft forks, 2^nd, 3^rd miners, 2^nd, 3^rd, 4^th, 5^th, 6^th drawing lucky numbers honest incentives for multiple, to avoid central authority peer-to-peer networks and proof-of-work and unique blocks built by minimizing trust mining centralization mnemonic sentences, 2^nd, 3^rd decoding into seeds encoding from seeds modulo, 2^nd, 3^rd Multi-Account Hierarchy for Deterministic Wallets multiple signatures

N

namecoin (NMC), 2^nd named arguments name parameter national borders, moving value across, 2^nd natural splits, 2^nd, 3^rd network effect network protocol forwarding of transaction lightweight wallet notification notifying wallets transaction through network NMC (namecoin), 2^nd nodes. See also full nodes. connecting to decentralization and, 2^nd multiple, connecting to trusted, 2^nd, 3^rd nonces, 2^nd noncurrency uses, 2^nd

O

one-way functions, 2^nd, 3^rd, 4^th, 5^th, 6^th OP_CHECKLOCKTIMEVERIFY operator, 2^nd, 3^rd, 4^th, 5^th OP_CHECKMULTISIG operator, 2^nd, 3^rd, 4^th, 5^th OP_CHECKSEQUENCEVERIFY operator, 2^nd, 3^rd, 4^th, 5^th OP_CHECKSIG operator, 2^nd OP_CLTV operator. See OP_CHECKLOCKTIMEVERIFY operator. OP_CSV operator. See OP CHECKSEQUENCEVERIFY operator. OP_DROP operator, 2^nd, 3^rd OP_DUP operator, 2^nd OpenPGP (Pretty Good Privacy) open source software OP_EQUAL operator, 2^nd OP_EQUALVERIFY operator OP_HASH160 operator OP_NOP1 operator OP_NOP2 operator OP_NOP10 operator OP_NOP operators, 2^nd, 3^rd OP_RETURN operator, 2^nd, 3^rd, 4^th OP_SHA256 operator outbound connections

P

p2pkh (pay-to-public-key-hash), 2^nd, 3^rd, 4^th, 5^th, 6^th p2sh address, 2^nd, 3^rd, 4^th, 5^th p2wpkh (pay-to-witness-public-key-hash) p2wsh (pay-to-witness-script-hash) parent private key parent public key partial merkle tree, 2^nd, 3^rd password-manager software password-protected backups passwords password-encrypted private keys, problems with random strength of payment URI pay-to-public-key-hash (p2pkh), 2^nd, 3^rd, 4^th, 5^th pay-to-script-hash pay-to-witness-public-key-hash (p2wpkh) pay-to-witness-script-hash (p2wsh), 2^nd peers peer-to-peer network bootstrapping connecting to nodes normal operation running the software synchronization building communication in network protocol forwarding of transaction lightweight wallet notification notifying wallets transaction through network running own full node downloading Bitcoin Core initial blockchain download unpacking and starting software verifying software pending transactions permissionless nature of Bitcoin, 2^nd PKH (public key hash), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th point addition point doubling point on the curve Port 8333 positional arguments POST request pre-image, 2^nd, 3^rd, 4^th, 5^th, 6^th pre-image resistance Pretty Good Privacy (OpenPGP) price volatility privacy, 2^nd, 3^rd, 4^th address reuse and bloom filters and, 2^nd private keys, 2^nd, 3^rd, 4^th, 5^th, 6^th backing up, 2^nd password-encrypted backups, problems with password strength digital signatures and hardened, deriving message hash encryption with offline storage online storage security of storing, 2^nd, 3^rd programmable transactions, 2^nd proof of work, 2^nd protocol version provably unspendable outputs pubkey script, 2^nd, 3^rd, 4^th public key addition operation public-key derivation, 2^nd public key hash (PKH), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th public keys, 2^nd, 3^rd, 4^th, 5^th, 6^th encoding extended public key math replacing names with typing errors, avoiding public/private key pairs

Q

QR (quick response) codes, 2^nd, 3^rd, 4^th QT library

R

random number generator redeemScript, 2^nd relative time-locked outputs relative time locks relaxed rules relaying relay policies reorg (chain reorganization) replayed transactions retarget, 2^nd retarget period, 2^nd, 3^rd reverting transactions, 2^nd RIPEMD160 cryptographic hash function, 2^nd, 3^rd, 4^th

S

satoshi savings scriptPubKey scriptSig scripts, transactions and second-pre-image resistance secp256k1 elliptic curve security, 2^nd, 3^rd, 4^th, 5^th seeds, 2^nd, 3^rd backing up decoding mnemonic sentence into encoding, 2^nd encoding into mnemonic sentence random, 2^nd, 3^rd Segwit2x proposal segwit addresses human-readable part segwit (segregated witness), 2^nd, 3^rd overview problems solved by script upgrade difficulties transaction malleability waste of bandwidth solutions provided by bandwidth saving including segwit transaction in a block new hashing method for signatures pay-to-witness-script-hash segwit addresses spending segwit output upgradable script verifying segwit transaction sendtoaddress command sequence numbers, 2^nd SHA-1 cryptographic hash function SHA256 (Secure Hash Algorithm with 256-bit output), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th SHA256SUMS.asc file, 2^nd, 3^rd, 4^th SHA512 hash function shared folders, 2^nd SIGHASH type, 2^nd signature-hashing algorithm signatures, 2^nd signature script (scriptSig), 2^nd, 3^rd signature verification, 2^nd, 3^rd signing transactions simplified payment verification (SPV) wallet, 2^nd soft forks, 2^nd, 3^rd, 4^th, 5^th soft-fork signaling user-activated speculation, 2^nd spent amount spent outpoint spent script split keys splits, 2^nd accidental deliberate probability of unintended SPV (simplified payment verification) wallet, 2^nd STARTED state, 2^nd, 3^rd start time parameter stdin option, 2^nd synchronization

T

target TCP (Transmission Control Protocol) connection, 2^nd, 3^rd, 4^th time-locked transactions, 2^nd outputs absolute time-locked output atomic swaps relative time-locked outputs overview relative time locks time measurement time locks, 2^nd timeout parameter timestamps, 2^nd, 3^rd, 4^th, 5^th, 6^th Token protocols tokens, creating transaction fees, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th transaction graphs transaction ID (txid), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th transaction output (TXO) transactions, 2^nd confirming creating deleting forwarding of malleability of, 2^nd, 3^rd, 4^th, 5^th multiple signatures overview pay-to-script-hash pending, replacing child pays for parent opt-in replace-by-fee replay scripts and time-locked output overview relative time locks time measurement verifying Transmission Control Protocol (TCP) connection, 2^nd, 3^rd, 4^th tree structure, 2^nd, 3^rd, 4^th trusted nodes, 2^nd, 3^rd txid (transaction ID), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th txinwitness tx message TXO (transaction output)

U

unconfirmed_balance unconfirmed transactions uniform resource identifier URI) unlocked_until value unsigned transactions unspent transaction output (UTXO). See UTXO (unspent transaction output). upgradable script upgrades difficulties with user-activated soft forks using BIP9 to deploy relative lock time using BIP9 to deploy segwit using block version bits signaling using coinbase signaling using incremented block version number signaling URI (uniform resource identifier) user-activated soft forks, 2^nd, 3^rd, 4^th, 5^th, 6^th user agent UTXO set private UTXO set, bloated UTXO (unspent transaction output), 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th, 9^th, 10^th, 11^th

V

value of Bitcoin verack message version message, 2^nd, 3^rd vsize (virtual size)

W

walletlock command walletpassphrase command wallets, 2^nd, 3^rd, 4^th, 5^th, 6^th, 7^th, 8^th bloom filters and, 2^nd creating problems with throttling privacy and data traffic using compatibility deriving hardened private keys encrypted backing up creating receiving money into sending money from extended public keys hierarchical deterministic deriving child extended private key deriving master extended private key lightweight, 2^nd, 3^rd, 4^th, 5^th, 6^th notification security of notifying offline private key backups password-encrypted, problems with password strength public key encoding public key math, 2^nd witness commitment witness field witness program, 2^nd witness reserved value witness root hash witness script wtxid (witness txid)

X

xprv (extended private keys), 2^nd, 3^rd, 4^th xpub (extended public keys), 2^nd xpub derivation