Ecosystem
Public Goods
Roadmap
FAQ
Docs
More
Introduction
Specs
Bitcoin Cash
2018 November 15 Network Upgrade Specification
2019-MAY-15 Schnorr Signature specification
2019-MAY-15 Segwit Recovery Specification
2019-MAY-15 Network Upgrade Specification
2019-NOV-15 minimal push and minimal number encoding rules
2019-NOV-15 Schnorr OP_CHECKMULTISIG specification
2019-NOV-15 Network Upgrade Specification
OP_REVERSEBYTES
2020-MAY-15 script SigChecks counting and limiting specification
2020-MAY-15 Network Upgrade Specification
ASERT Difficulty Adjustment Algorithm (aserti3-2d)
2020-NOV-15 Network Upgrade Specification
Block Spec for Bitcoin Cash ⚠️ out of date ⚠️
Address format for Bitcoin Cash
BCH JSON RPC Specification ⚠️ out of date ⚠️
May 2018 Hardfork Specification
Restore disabled script opcodes, May 2018
November 13th Bitcoin Cash Hardfork Technical Details
OP_CHECKDATASIG and OP_CHECKDATASIGVERIFY Specification
Lokad 4-byte prefix guideline for OP_RETURN on Bitcoin Cash
BUIP-HF Digest for replay protected signature verification across hard forks
Transaction Spec for Bitcoin Cash ⚠️ out of date ⚠️
UAHF Technical Specification
Script
Examples
Taproot: Atomic Swaps
Taproot: Lightning Network Channels
Taproot: Moderated Comments
Taproot: Multi-Signature Governance
Taproot: NFTs with State
Taproot: Single-Key Spending
Taproot: Time-Locked Voting
Taproot: Vaults and Cold Storage
Introduction
Taproot
Sighash
SigHash BCH (BIP143 variant)
SigHash Lotus
Upgrades
Genesis
Exodus
2022-06-21 — 5040xPoW Epoch Block Hash specification
Address Format
Block Header
ASERT Difficulty Adjustment Algorithm (aserti3-2d)
Block Reward
Transaction IDs
Upgrades
Exodus
No protocol changes were made during this upgrade except funding addresses
