Each entry links to the section where the concept is defined or receives its primary treatment (listed first), followed by other sections that develop it.
0-9
- 21 million cap · §15.1
- 51% attack · §14.8.2, §25.4, §36.1, §38.8
- 64-byte transaction vulnerability · §35.3, §12.8.2
A
- abelian group · §1.3, §3.5
- activation game (enforcing fraction) · §34.4
- adaptor signature · §29.6
- anyone-can-spend output · §28.3
- Ark protocol · §32.2
- ASIC mining hardware · §14.10
- AssumeUTXO · §21.3, §37.4
- AssumeValid · §21.2, §37.4
- avalanche effect · §6.2
B
- baby-step giant-step algorithm · §4.5
- Base58Check · §9.4, §9.9
- batch verification · §8.9, §29.1.2
- Bech32 · §9.7
- Bech32m · §9.8.1
- bilateral fork · §26.3
- binary operation · §1.1
- BIP-143 sighash · §28.7
- BIP-157 / BIP-158 · §19.3, §19.4
- BIP-340 · §8.4, §29.1
- BIP-37 Bloom filtering · §18.2, §18.7
- BIP-8 activation · §16.3.3, §33.4
- BIP-9 version bits · §16.3.2, §13.2.1, §33.4
- BIP process · §33.2
- birthday bound · §9.1.1, §6.7
- Bitcoin Cash · §27.3
- Bitcoin Gold · §27.5
- Bitcoin SV · §27.4
- Bitcoin Unlimited · §27.2.3
- Bitcoin XT · §27.2.1
- bits field (compact target) · §13.2.5
- BitTorrent precedent · §34.3
- blind merged mining · §31.8
- block · §13.1
- block hash · §13.2.2
- block header · §13.2
- block height · §13.7
- block propagation · §13.9
- block size debate · §27.1, §33.7.1
- block subsidy · §15.2, §10.10, §38.1
- block validation rules · §13.5
- block weight · §13.4.2, §10.8.1, §28.4
- block withholding · §36.5.2
- Bloom filter · §18.1
- BOLT specifications · §24.5
- breach remedy transaction · §23.4
- Bézout's identity · §2.4
C
- CBDC · §40.9
- censorship resistance · §25.6, §36.5.1
- chain reorganization · §36.2, §26.7
- chain split · §16.7.1
- chainwork (most-work rule) · §26.6, §14.6, §37.3
- channel factory · §32.4
- checkpoint · §37.2
- chord-and-tangent method · §3.3
- claims from within the community · §25.7
- client diversity · §33.9
- client-side validation · §22.1
- CLTV delta · §24.1
- coexistence model (monetary) · §40.9
- cofactor · §4.4, §5.5
- coinbase maturity · §15.6
- coinbase transaction · §10.10, §13.6
- collision resistance · §6.1, §12.4
- commitment transaction · §23.4
- compact block filter · §19.3
- compact block relay · §13.9
- compressed public key · §9.2.1, §5.7
- confirmation security · §17.6, §13.7, §37.1
- congruence · §2.1
- consensus rule · §16.1
- consensus, three senses of · §33.3
- contentious fork · §26.9
- control block (Taproot) · §29.3
- cooperative close · §23.5
- coordination game · §26.4, §33.6, §40.3
- coset · §1.5
- covenant · §30.1
- cryptographic accumulator · §21.5
- cryptographic hash function · §6.1
- CVE-2012-2459 · §12.8.1, §35.4
- cyclic group · §1.4, §4.4
D
- data availability problem · §20.6
- DER encoding · §7.9
- difficulty · §14.3
- difficulty adjustment · §14.4, §15.4
- difficulty death spiral · §26.8, §27.9
- digital signature · §7.1
- discrete logarithm · §1.6
- discrete logarithm problem · §1.6, §4.5
- discriminant · §3.1
- domain separation · §6.7
- double-and-add algorithm · §3.6
- double SHA-256 (HASH256) · §6.3
- double-spend attack · §14.8.1, §17.6, §36.1
- drivechain · §31.8
- dust threshold · §16.1
E
- eCash fork (2026, drivechain exit) · §31.8
- ECDSA · §7.2
- eclipse attack · §17.5.2, §36.4
- Electrum protocol · §20.2
- elliptic curve · §3.1, §4.1
- elliptic curve discrete logarithm problem (ECDLP) · §4.5, §5.9
- elliptic curve group law · §3.5
- eltoo / LN-Symmetry · §32.5, §24.7
- emergency difficulty adjustment · §27.3.1
- energy consumption · §14.9, §25.5
- Euler's totient function · §2.6
- executable specification · §33.9
- extended Euclidean algorithm · §2.4
- extra nonce · §13.2.6
F
- fair launch · §15.3, §14.7
- false positive rate · §18.1, §19.5
- federated peg · §31.2
- fee market · §38.4, §10.8
- fee sniping · §38.6
- Fermat's little theorem · §2.5
- Fiat-Shamir transform · §8.3
- field · §2.3
- filter header · §19.4
- finality (probabilistic) · §26.7, §37.8
- flag day activation · §16.3.1
- fork · §26.1
- fork choice rule · §26.6
- fraud proof · §17.7, §20.6, §25.1
- funding transaction · §23.2
G
- generator (of a group) · §1.4, §2.6
- generator point G · §5.4, §4.4
- genesis block · §13.6
- GLV endomorphism · §5.8
- Golomb-coded set (GCS) · §19.2
- Golomb-Rice coding · §19.2
- gossip protocol (Lightning) · §24.4
- Great Consensus Cleanup · §35.1
- group · §1.2
- Grover's algorithm · §39.4
H
- halving · §15.2, §38.1
- hard fork · §16.2, §26.3, §27.3
- HASH160 · §6.4, §9.3
- hashrate · §14.6
- hashrate escrow · §31.8
- Hasse's theorem · §4.3
- header chain · §17.2
- headers-first sync · §21.1
- HTLC · §23.6, §24.1
- hyperbitcoinization · §40.5
I
K
L
- Lagrange's theorem · §1.5, §4.4
- Lamport signature · §39.6, §39.10
- light client · §20.1, §17.2
- Lightning Network · §24.1, §23.2
- Liquid Network · §31.2.1
- LN-Penalty · §23.4
- locktime · §10.2.2, §11.7
- low-s rule · §7.8
M
- MAST · §29.3, §12.9.2, §8.10
- median time past (MTP) · §13.2.4, §15.5
- mempool · §13.9
- merged mining · §38.7.4, §31.8
- Merkle mountain range · §12.9.1
- Merkle proof · §12.3, §12.4, §17.3
- Merkle root · §12.2, §13.2.3
- Merkle tree · §12.1
- minimum chain work · §37.3
- ML-DSA (Dilithium) · §39.6, §39.8
- modular arithmetic · §2.1
- Mosca's inequality · §39.5
- multi-hop payment · §24.1
- multi-path payment · §24.4
- multiplicative inverse · §2.3, §2.4
- multisignature · §11.8.3
- MurmurHash3 · §18.5
- MuSig · §8.8
- MuSig2 · §29.5, §8.8
N
- Nakamoto double-spend formula · §14.8.1, §17.6, §36.1
- natural fork · §26.2
- Neutrino · §19.7, §20.1
- New York Agreement · §27.7
- nonce (block header) · §13.2.6
- nonce reuse attack · §7.7
- nonce (signature) · §7.7
O
- onion routing · §24.2
- OP_CAT · §30.3
- OP_CHECKLOCKTIMEVERIFY · §11.7
- OP_CHECKSEQUENCEVERIFY · §11.7
- OP_CHECKSIG · §11.5.2
- OP_CHECKSIGADD · §29.4
- OP_CHECKSIGFROMSTACK · §30.5.3
- OP_CHECKTEMPLATEVERIFY (CTV) · §30.2
- OP_RETURN · §11.9
- OP_SUCCESS · §16.8.2
- OP_TXHASH · §30.5.2
- OP_VAULT · §30.4
- order of a group · §1.4
- order of an element · §1.4, §4.4
- Ordinals and inscriptions · §33.7.3, §38.9
- orphan block · §13.8
- ossification · §33.3, §33.8
- outpoint · §10.3.1
P
- P2PKH · §9.5, §10.5.1, §11.8.1
- P2QRH (BIP-360) · §39.7
- P2SH · §9.6, §10.5.2, §11.8.2
- P2TR · §9.8, §10.5.4
- P2WPKH · §9.7.2, §10.5.3
- pathfinding (Lightning) · §24.4
- payment channel · §23.2
- payment preimage · §23.6
- pay-to-contract · §22.2
- point addition · §3.3, §4.2
- point at infinity · §3.2, §4.1
- point doubling · §3.4
- policy rule (standardness) · §16.1, §16.6
- Pollard's rho algorithm · §4.5
- post-quantum cryptography · §39.6
- preimage resistance · §6.1
- prime field · §2.3
- primitive root · §2.6
- private key · §5.7, §9.1
- proof of work · §14.1
- pruning · §21.4
- public key · §5.7, §9.2
Q
R
- random oracle model · §6.6
- recursive covenant · §30.6
- repeated squaring · §2.5
- replay protection · §26.5, §27.3
- REST architectural constraints · §34.2
- revocation key · §23.4
- RFC 6979 (deterministic nonce) · §7.7
- RGB protocol · §22.3
- ring · §2.2
- RIPEMD-160 · §6.4
- rogue key attack · §8.8
- RSK (Rootstock) · §31.2.2
S
- satoshi (unit) · §10.4
- scalar multiplication · §3.6
- scaling verification (device tiers) · §34.1, §34.5
- Schelling point · §26.4, §33.6
- Schnorr identification protocol · §8.2
- Schnorr signature · §8.5, §29.1
- script execution · §11.1
- scriptPubKey · §10.4
- scriptSig · §10.3
- script versioning · §28.3, §16.8.1
- secp256k1 · §5.2
- security budget · §38.2, §15.3, §25.5
- SegWit · §10.6, §16.4.2, §28.1
- SegWit2x · §27.7
- selfish mining · §36.3, §14.8.3
- sequence number · §10.3.2
- SHA-256 · §6.2
- Shor's algorithm · §39.3
- sidechain · §31.1
- SIGHASH_ANYPREVOUT · §30.5.1, §32.5
- SIGHASH_FORKID · §27.3
- sighash type · §10.7
- signature malleability · §7.8, §28.1
- single-use seal · §22.2
- SipHash · §19.3
- SLH-DSA (SPHINCS+) · §39.6
- soft fork · §16.2, §26.3, §28.6
- specification problem · §33.9, §13.10
- Speedy Trial · §16.3.4, §33.4
- Sphinx onion packet · §24.2
- SPV mining (validationless) · §17.10
- SPV peg · §31.3
- SPV (simplified payment verification) · §17.2, §12.7
- Stacks · §31.5
- stale block · §13.8, §26.2
- statechain · §32.3
- subgroup · §1.5, §4.4
- SwiftSync · §21.5
T
- tagged hash · §6.7, §8.4
- tail emission · §38.7.3
- Taproot · §16.4.3, §29.2
- Taproot output (tweaked key) · §8.10, §29.2
- Tapscript · §11.11, §29.4
- target · §14.3, §13.2.5
- timewarp attack · §35.2
- transaction · §10.2
- transaction fee · §10.8
- transaction malleability · §28.1, §7.8
- trust-drift ladder · §34.5
- two-way peg · §31.1
- txid · §10.6.2
U
V
- validation function (predicate) · §13.10, §13.5
- validation pipeline · §13.10
- validity rollup · §31.4
- vault · §30.4, §30.2.1
- virtual size (vbyte) · §10.8.1
- vTXO · §32.2
W
- watchtower · §23.7
- Weierstrass equation · §3.1
- WIF (wallet import format) · §9.9
- witness · §10.6
- witness commitment · §12.6, §28.5
- witness discount · §28.4
- witness program · §10.5.3, §11.10, §28.3
- wtxid · §10.6.2, §28.2
X
Z
- zero-knowledge proof · §8.2